Born: Wilmington, Delaware.

Died: Philadelphia, Pennsylvania.

Occupation: Publisher. Cochologist.

Education: Honorary LL.D. Harvard, 1852.

Societies / Service: ANSP, President (several years). AAAS, President, 1860.

Travels:

Collection Deposition: USNM and ANSP.

Research Interests: Freshwater mollusks.

Remarks: Married Francis A. Carey, 1852.

Data from: Abbott, R.T., and M.E. Young (eds.). 1973. American Malacologists: A national register of professional and amateur malacologists and private shell collectors and biographies of early American mollusk workers born between 1618 and 1900. American Malacologists, Falls Church, Virginia. Consolidated/Drake Press, Philadelphia. 494 pp.

Other References: Dall, W.H. 1888. Some American conchologists. Proceedings of the Biological Society of Washington 4:95-134.

Scudder, N.P. 1885. The published writings of Isacc Lea, L.L.D. Bibliographies of American Naturalists. United States National Museum Bulletin 23: lix + 278 p.

Partial Bibliography

Lea, I. 1828. Description of six new species of the genus Unio, embracing the anatomy of the oviduct of one of them, together with some anatomical observations on the genus. Transactions of the American Philosophical Society 3(N.S.):259-273 + plates iii-vi.
Lea, I. 1829. Description of a new genus of the family of naïades, including eight new species, four of which are new; also the description of eleven new species of the genus Unio from the rivers of the United States: with observations on some of the characters of the naïades. Transactions of the American Philosophical Society 3(N.S.):403-457 + plates vii-xiv.
Lea, I. 1831. Description of a new genus of the family Melaniana of Lamarck. Transactions of the American Philosophical Society 4(N.S.):122-123.
Lea, I. 1831. Observations on the naïades, and descriptions of new species of that and other families. Transactions of the American Philosophical Society 4(N.S.):63-121 + plates iii-xviii.
Lea, I. 1834. Observations on the genus Unio, together with descriptions of new genera and species in the families naiades, Conchae, Colimacea, Lymnaeana, Melaniana and Peristomiana. James Kay, Jun. and Co., Philadelphia, Pennsylvania. Vol. 1. 4 leaves, 233 pp. + 46 plates.
Lea, I. 1834. Observations on the naiades; and descriptions of new species of that and other families. Transactions of the American Philosophical Society 5(N.S.):23-119 + 19 plates.
Lea, I. 1836. A synopsis of the family of naiades. Philadelphia, Pennsylvania. Cary, Lea and Blanchard. London, John Miller. viii 1-59 + 1 plate.
Lea, I. 1836. Description of a new species of the genus Unio. Privately published. 4 pp.
Lea, I. 1838. A synopsis of the family of naiades. 2nd Edition. Philadelphia, Pennsylvania. 1-44. [pages 113-152 of Lea 1838]
Lea, I. 1838. Observations on the genus Unio, together with descriptions of new genera and species in the families Naiades, Conchae, Colimacea, Lymnaeana, Melaniana and Peristomiana. Printed for the Author. Vol. 2. 152 pp. + 29 plates.
Lea, I. 1838. Description of a new shell, recently taken in the vicinity of Cincinnati. Proceedings of the American Philosophical Society 1(6):48.
Lea, I. 1838. Description of new freshwater and land shells. Transactions of the American Philosophical Society 6(N.S.):1-154 + 24 plates.
Lea, I. 1840. Descriptions of new fresh water and land shells. Proceedings of the American Philosophical Society 1(13):284-289.
Lea, I. 1841. New fresh water and land shells. Proceedings of the American Philosophical Society 2(16):11-15.
Lea, I. 1841. On fresh water and land shells (cont.). Proceedings of the American Philosophical Society 2(17):30-35.
Lea, I. 1841. On fresh water and land shells (cont.). Proceedings of the American Philosophical Society 2(19):81-83.
Lea, I. 1842. Observations on the genus Unio, together with descriptions of new species in the families Naiades, Conchae, Colimacea, Lymnaeana, Melaniana and Peristomiana. Printed for the Author. Vol. 3. 88 pp. + plates 5-27.
Lea, I. 1842. On fresh water and land shells (cont.). Proceedings of the American Philosophical Society 2(23):224-225.
Lea, I. 1842. On fresh water and land shells (cont.). Proceedings of the American Philosophical Society 2(24):241-243.
Lea, I. 1842. Description of new fresh water and land shells. Transactions of the American Philosophical Society 8(N.S.):163-250 + 23 plates.
Lea, I. 1843. Description of twelve new species of Uniones. Proceedings of the American Philosophical Society 4(28):11.
Lea, I. 1845. Description of new fresh water and land shells. Proceedings of the American Philosophical Society 4(32):162-168.
Lea, I. 1845. Description of new fresh water and land shells. Transactions of the American Philosophical Society 9(N.S):275-282 + plates 39-42.
Lea, I. 1848. Observations on the genus Unio, together with descriptions of new species in the families Naiades, Conchae, Colimacea, Lymnaeana, Melaniana and Peristomiana. Printed for the Author. Vol. 4. 101 pp. + plates 39-42; 1-9.
Lea, I. 1848. Description of new fresh water and land shells. Transactions of the American Philosophical Society 10(N.S.):67-101 + plates 1-9.
Lea, I. 1850. Description of five new species of Anodontae, collected by H. Cuming, Esq. in the East Indies. Proceedings of the Zoological Society of London 1850(18):197-199.
Lea, I. 1851. [On the genus Acostaea of D'Orbigny, a new fresh water mollusc of the order Dimyaria, from the river Guadua, New Grenada]. Proceedings of the Academy of Natural Sciences of Philadelphia 5(11):277.
Lea, I. 1851. [Correspondance between Louis Agassiz and Isacc Lea on the naiades]. Proceedings of the American Philosophical Society 5(46):187-189.
Lea, I. 1851. [On the great size of certain naiades from the neighborhood of Cincinnati, Ohio.] Proceedings of the American Philosophical Society 5(46):191-193.
Lea, I. 1852. A synopsis of the family of naiades. 3rd Edition. Philadelphia, Pennsylvania. Blanchard and Lea xx, 17-88 pp.
Lea, I. 1852. Observations on the genus Unio, together with descriptions of new species in the families Unionidae, Colimacea, and Melaniana. Philadelphia, Pennsylvania. Printed for the Author. Vol. 5. 62 pp. + plates 12-30.
Lea, I. 1852. [Remarks on the period of maturing and ejecting young in the family Unionidae. Minutes of the March 23rd 1852 Meeting]. Proceedings of the Academy of Natural Sciences of Philadelphia 6(2):54.
Lea, I. 1852. Description of a new species of Symphynote Unio. Proceedings of the Academy of Natural Sciences of Philadelphia 6(2):54-55.
Lea, I. 1852. [Remarks on the definition of the term species and remarks on the classification of the family Naiades. Minutes of the April 6th 1952 Meeting]. Proceedings of the Academy of Natural Sciences of Philadelphia 6(2):57-58.
Lea, I. 1852. Descriptions of new species of the family Unionidae. Proceedings of the American Philosophical Society 5(48):251-252.
Lea, I. 1852. Descriptions of new species of the family Unionidae. Transactions of the American Philosophical Society 10(N.S.):253-294 + plates 12-19.
Lea, I. 1853. [Letter from I. Lea to Dr. Leidy dated 21 June 1853]. Proceedings of the Academy of Natural Sciences of Philadelphia 6(10):376.
Lea, I. 1853. Notice of the Mya nodulosa, Wood. Proceedings of the Academy of Natural Sciences of Philadelphia 6(9):368.
Lea, I. 1855. Rectification of Mr. T.A. Conrad's "Synopsis of the family of Naïades of North America," published in the "Proceedings of the Academy of Natural Sciences of Philadelphia, February, 1853." Proceedings of the Academy of Natural Sciences of Philadelphia 7(6):236-249.
Lea, I. 1856. Observations of the genus Unio, together with descriptions of new species in the Family Unionidae. Philadelphia, Pennsylvania. Printed for the Author. 6(2):43-95 + plates 5-20.
Lea, I. 1856. Description of a new sub-genus of Naïades. Proceedings of the Academy of Natural Sciences of Philadelphia 8(2):79.
Lea, I. 1856. Description of a new species of Triquetra, Klein (Hyria, Lamarck). Proceedings of the Academy of Natural Sciences of Philadelphia 8(2):79.
Lea, I. 1856. Description of new fresh water shells from California. Proceedings of the Academy of Natural Sciences of Philadelphia 8(2):80-81.
Lea, I. 1856. Description of twenty-five new species of exotic Uniones. Proceedings of the Academy of Natural Sciences of Philadelphia 8(2):92-95.
Lea, I. 1856. Description of four new species of exotic Uniones. Proceedings of the Academy of Natural Sciences of Philadelphia 8(3):103.
Lea, I. 1856. Description of fifteen new species of exotic Melaniana. Proceedings of the Academy of Natural Sciences of Philadelphia 8(4):144-145.
Lea, I. 1857. Observations of the genus Unio, together with descriptions of new species in the Family Unionidae. Philadelphia, Pennsylvania. Printed for the Author. 6(1):1-34 + plates 21-33.
Lea, I. 1857. Description of the byssus in the genus Unio. Proceedings of the Academy of Natural Sciences of Philadelphia 8(5):213-214.
Lea, I. 1857. Description of eleven new species of exotic Uniones, from Georgia. Proceedings of the Academy of Natural Sciences of Philadelphia 8(6):262-263.
Lea, I. 1857. [Remarks on Unio spinosus. Minutes of the April 14th Meeting]. Proceedings of the Academy of Natural Sciences of Philadelphia 9(1857):101.
Lea, I. 1857. Description of six new species of fresh water and land shells of Texas and Tamaulipas, from the collection of the Smithsonian Institution. Proceedings of the Academy of Natural Sciences of Philadelphia 9(1857):101-102.
Lea, I. 1857. Description of twenty-seven new species of Uniones from Georgia. Proceedings of the Academy of Natural Sciences of Philadelphia 9(1857):169-172.
Lea, I. 1857. [Remarks on the visual organs of certain species of the genus Unio]. Proceedings of the Academy of Natural Sciences of Philadelphia 9(1857):17-18.
Lea, I. 1857. Description of thirteen new species of Uniones from Georgia. Proceedings of the Academy of Natural Sciences of Philadelphia 9(1857):31-32.
Lea, I. 1857. Descriptions of six new species of Uniones from Alabama. Proceedings of the Academy of Natural Sciences of Philadelphia 9(1857):83.
Lea, I. 1857. Description of eight new species of naiades from various parts of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia 9(1857):84.
Lea, I. 1857. Description of three new species of exotic naïades. Proceedings of the Academy of Natural Sciences of Philadelphia 9(1857):85.
Lea, I. 1857. Description of twelve new species of naiades from North Carolina. Proceedings of the Academy of Natural Sciences of Philadelphia 9(1857):85-86.
Lea, I. 1858. Descriptions of the embryonic forms of thirty-eight species of Unionidae. Journal of the Academy of Natural Sciences of Philadelphia 4(second series)(1):43-50 + plate 5.
Lea, I. 1858. New Unionidae of the United States. Journal of the Academy of Natural Sciences of Philadelphia 4(second series)(1):51-95 + plates 6-20.
Lea, I. 1858. Observations on the genus Unio, together with descriptions of new species, their soft parts, and embryonic forms, in the family Unionidae. Philadelphia, Pennsylvania. Printed for the Author. Vol. 6. 97 pp. + plates 5-33.
Lea, I. 1858. [Notes on the gravid condition of Lasmigona complanata and Megalonaias nervosa. Minutes of the May 18th, 1858 Meeting]. Proceedings of the Academy of Natural Sciences of Philadelphia 10(1858):114.
Lea, I. 1858. Description of four new fresh-water molluscs, from the Isthmus of Darien and Honduras. Proceedings of the Academy of Natural Sciences of Philadelphia 10(1858):118.
Lea, I. 1858. [Remarks on the Unionidae of Nebraska Territory, etc. Minutes of the March 23, 1858 meeting.] Proceedings of the Academy of Natural Sciences of Philadelphia 10(1858):13-14.
Lea, I. 1858. [Remarks on the red color and use of all four gills in gravid Fusconaia flava]. Proceedings of the Academy of Natural Sciences of Philadelphia 10(1858):135.
Lea, I. 1858. Descriptions of seven new species of Margaritanae, and four new species of Anodontae. Proceedings of the Academy of Natural Sciences of Philadelphia 10(1858):138-139.
Lea, I. 1858. Descriptions of twelve new species of Uniones and other fresh-water shells of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia 10(1858):165-166.
Lea, I. 1858. Descriptions of new species of Unio, from Tennessee, Alabama, and North Carolina. Proceedings of the Academy of Natural Sciences of Philadelphia 10(1858):40-41.
Lea, I. 1859. New Unionidae of the United States. Journal of the Academy of Natural Sciences of Philadelphia 4(second series)(2):191-233 + plates 21-32.
Lea, I. 1859. Observations on the genus Unio, together with descriptions of new species, their soft parts, and embrynic forms, in the Family Unionidae. Philadelphia, Pennsylvania. Printed for the Author. 7(1):9-51 + plates 21-32.
Lea, I. 1859. Descriptions of eight new species of Unionidae from Georgia, Mississippi, and Texas. Proceedings of the Academy of Natural Sciences of Philadelphia 11(1859):112-113.
Lea, I. 1859. Descriptions of twenty-one new species of exotic Unionidae. Proceedings of the Academy of Natural Sciences of Philadelphia 11(1859):151-154.
Lea, I. 1859. Descriptions of two new species of Uniones from Georgia. Proceedings of the Academy of Natural Sciences of Philadelphia 11(1859):154.
Lea, I. 1859. Descriptions of seven new species of Uniones from South Carolina, Florida, Alabama and Texas. Proceedings of the Academy of Natural Sciences of Philadelphia 11(1859):154-155.
Lea, I. 1859. Description of twelve new species of Uniones from Georgia. Proceedings of the Academy of Natural Sciences of Philadelphia 11(1859):170-172.
Lea, I. 1859. [Remarks on a population of Anodonta lewisii and notes on the gravid condition of Unio kleinianus. Minutes of the July 5th, 1859 Meeting]. Proceedings of the Academy of Natural Sciences of Philadelphia 11(1859):177.
Lea, I. 1859. Descriptions of four new species of exotic Unionidae Proceedings of the Academy of Natural Sciences of Philadelphia 11(1859):187.
Lea, I. 1859. [Change of name of Margaritifera etowahensis to M. georgiana. Minutes of the October 18th, 1859 Meeting]. Proceedings of the Academy of Natural Sciences of Philadelphia 11(1859):280.
Lea, I. 1859. Description of a new species of Unio from the Isthmus of Darien. Proceedings of the Academy of Natural Sciences of Philadelphia 11(1859):281.
Lea, I. 1859. [Remarks on the gravid condition and red color of Fusconaia subrotunda and the response of mussels to light. Minutes of the December 6th, 1859 Meeting]. Proceedings of the Academy of Natural Sciences of Philadelphia 11(1859):329-330.
Lea, I. 1859. Descriptions of three new species of exotic Uniones. Proceedings of the Academy of Natural Sciences of Philadelphia 11(1859):331.
Lea, I. 1860. Descriptions of eight new Unionidae from Georgia, etc. 24 pp.
Lea, I. 1860. Descriptions of exotic Unionidae. Journal of the Academy of Natural Sciences of Philadelphia 4(second series)(3):235-273 + plates 33-45.
Lea, I. 1860. New Unionidae of the United States and Northern Mexico. Journal of the Academy of Natural Sciences of Philadelphia 4(second series)(4):327-374 + plates 51-66.
Lea, I. 1860. Observations on the genus Unio, together with descriptions of new species, their soft parts, and embrynic forms, in the Family Unionidae. Philadelphia, Pennsylvania. Printed for the Author. 7(2):53-91 + plates 33-45.
Lea, I. 1860. Observations on the genus Unio, together with descriptions of new species, their soft parts, and embryonic forms, in the family Unionidae. Philadelphia, Pennsylvania. Printed for the Author. Vol. 7. 93 pp. + plates 21-45.
Lea, I. 1860. [Remarks on the number of species of Unionidae inhabiting the United States. Minutes of the January 24th Meeting]. Proceedings of the Academy of Natural Sciences of Philadelphia 12(1860):3.
Lea, I. 1860. Descriptions of two new species of Uniones from Georgia. Proceedings of the Academy of Natural Sciences of Philadelphia 12(1860):305.
Lea, I. 1860. Descriptions of three new species of Uniones from Mexico. Proceedings of the Academy of Natural Sciences of Philadelphia 12(1860):305-306.
Lea, I. 1860. Descriptions of seven new species of Unionidae from the United States. Proceedings of the Academy of Natural Sciences of Philadelphia 12(1860):306-307.
Lea, I. 1860. Descriptions of six new species of Unionidae from Alabama. Proceedings of the Academy of Natural Sciences of Philadelphia 12(1860):307.
Lea, I. 1860. Descriptions of three new species of exotic Unionidae. Proceedings of the Academy of Natural Sciences of Philadelphia 12(1860):307-308.
Lea, I. 1860. [Remarks on abnormal teeth in mussel shells. Minutes of the February 11th 1860 Meeting]. Proceedings of the Academy of Natural Sciences of Philadelphia 12(1860):51-53.
Lea, I. 1860. [Remarks on the number of Unionidae in the United States and North America. Minutes of the March 13th 1860 Meeting]. Proceedings of the Academy of Natural Sciences of Philadelphia 12(1860):85.
Lea, I. 1860. Descriptions of four new species of Unionidae from Brazil and Buenos Ayres. Proceedings of the Academy of Natural Sciences of Philadelphia 12(1860):89-90.
Lea, I. 1860. Descriptions of fifteen new species of Uruguayan Unionidae. Proceedings of the Academy of Natural Sciences of Philadelphia 12(1860):90-92.
Lea, I. 1860. Descriptions of five new species of Uniones from North Alabama. Proceedings of the Academy of Natural Sciences of Philadelphia 12(1860):92-93.
Lea, I. 1860. Check lists of the shells of North America. Unionidae. Smithsonian Miscellaneous Collections 8(h):1-6.
Lea, I. 1861. Descriptions of twenty-five new species of Unionidae from Georgia, Alabama, Mississippi, Tennessee, and Florida. Proceedings of the Academy of Natural Sciences of Philadelphia 13(1861):38-41.
Lea, I. 1861. Descriptions of eleven new species of the genus Unio from the United States. Proceedings of the Academy of Natural Sciences of Philadelphia 13(1861):391-393.
Lea, I. 1861. Descriptions of seven new species of the genus Io. Proceedings of the Academy of Natural Sciences of Philadelphia 13(1861):393-394.
Lea, I. 1861. Descriptions of two new species of Anodontae from Arctic America. Proceedings of the Academy of Natural Sciences of Philadelphia 13(1861):56.
Lea, I. 1861. [Remarks on a letter by Dr. Lewis on the habits and growth of unionids. Minutes of the March 19th 1861 Meeting]. Proceedings of the Academy of Natural Sciences of Philadelphia 13(1861):57-58.
Lea, I. 1861. Descriptions of twelve new species of Uniones, from Alabama. Proceedings of the Academy of Natural Sciences of Philadelphia 13(1861):59-60.
Lea, I. 1862. New Unionidae of the United States and Arctic America. Journal of the Academy of Natural Sciences of Philadelphia 5(second series):187-216 + plates 24-33.
Lea, I. 1862. New Unionidae of the United States. Journal of the Academy of Natural Sciences of Philadelphia 5(second series):53-109 + plates 1-18.
Lea, I. 1862. Observations on the genus Unio, together with descriptions of new species, their soft parts, and embryonic forms, in the family Unionidae. Philadelphia, Pennsylvania. Printed for the Author. 8(1):9-56 + plates 51-66.
Lea, I. 1862. Observations on the genus Unio, together with descriptions of new species, their soft parts, and embryonic forms, in the family Unionidae. Philadelphia, Pennsylvania. Printed for the Author. 8(2):57-113 + plates 1-18.
Lea, I. 1862. Observations on the genus Unio, together with descriptions of new species, their soft parts, and embryonic forms, in the family Unionidae. Philadelphia, Pennsylvania. Printed for the Author. Vol. 8. 113 pp. + plates 51-66, 1-18.
Lea, I. 1862. Descriptions of ten new species of Unionidae of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia 14(1862):168-169.
Lea, I. 1862. Description of two new species of exotic Uniones and one Monocondylaea. Proceedings of the Academy of Natural Sciences of Philadelphia 14(1862):176.
Lea, I. 1862. Checklist of the shells of North America. Unionidae. Smithsonian Miscellaneous Collections 2:1-52.
Lea, I. 1863. New Melanidae of the United States. Journal of the Academy of Natural Sciences of Philadelphia 5(second series):217-356 + plates 34-39.
Lea, I. 1863. New exotic Unionidae. Journal of the Academy of Natural Sciences of Philadelphia 5(second series):377-400 + plates 41-50.
Lea, I. 1863. Descriptions of the soft parts of one hundred and forty-three species and some embryonic forms of Unionidae of the United States. Journal of the Academy of Natural Sciences of Philadelphia 5(second series)(4):401-456.
Lea, I. 1863. Observations on the genus Unio, together with descriptions of new species, their soft parts, and embryonic forms, in the family Unionidae. Philadelphia, Pennsylvania. Printed for the Author. Vol. 10. 94 pp. + plates 41-50.
Lea, I. 1863. Observations on the genus Unio, together with descriptions of new species, their soft parts, and embryonic forms, in the family Unionidae and descriptions of new genera and species of the Melanidae. Philadelphia, Pennsylvania. Printed for the Author. Vol. 9. 178 pp. + plates 24-39.
Lea, I. 1863. Description of eleven new species of exotic Unionidae. Proceedings of the Academy of Natural Sciences of Philadelphia 15(1863):189-190.
Lea, I. 1863. Description of a new species of Unio and Monocondylaea. Proceedings of the Academy of Natural Sciences of Philadelphia 15(1863):190.
Lea, I. 1863. Descriptions of twenty-four new species of Unionidae of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia 15(1863):191-194.
Lea, I. 1864. Descriptions of six new species of Unionidae from Lake Nyassa, Central Africa, &c. Proceedings of the Academy of Natural Sciences of Philadelphia 16(1864):108-109.
Lea, I. 1864. Descriptions of two new species of Unionidae from South Africa. Proceedings of the Academy of Natural Sciences of Philadelphia 16(1864):113.
Lea, I. 1864. Descriptions of twenty-four new species of Physa of the United States amd Canada. Proceedings of the Academy of Natural Sciences of Philadelphia 16(1864):114-116.
Lea, I. 1864. Descriptions of six new species of Western Asiatic Unionidae. Proceedings of the Academy of Natural Sciences of Philadelphia 16(1864):285-286.
Lea, I. 1865. Description of three new species of exotic Uniones. Proceedings of the Academy of Natural Sciences of Philadelphia 17(1865):75-76.
Lea, I. 1865. Description of eight new species of Unio of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia 17(1865):88-89.
Lea, I. 1866. New Unionidae, Melanidae, etc., of the United States. Journal of the Academy of Natural Sciences of Philadelphia 6(second series):113-187 + plates 22-24.
Lea, I. 1866. New Unionidae, Melanidae, etc., of the United States. Journal of the Academy of Natural Sciences of Philadelphia 6(second series):5-65 + plates 1-21.
Lea, I. 1866. Description of two new species of the genus Lithasia. Proceedings of the Academy of Natural Sciences of Philadelphia 18(1866):133.
Lea, I. 1866. Description of five new species of the genus Unio. Proceedings of the Academy of Natural Sciences of Philadelphia 18(1866):133.
Lea, I. 1866. Description of twelve new species of Unionidae from South America. Proceedings of the Academy of Natural Sciences of Philadelphia 18(1866):33-35.
Lea, I. 1867. Observations on the genus Unio, together with descriptions of new species in the family Unionidae, and descriptions of new species of the Melanidae, Limneidae, Paludinae, and Helicidae. Philadelphia, Pennsylvania. Printed for the Author. Vol. 11. 146 pp. + plates 1-24.
Lea, I. 1867. Descriptions of five new species of Unionidae and one Paludina of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia 19(1867):81.
Lea, I. 1868. New Unionidae, Melanidae, etc., of the United States. Journal of the Academy of Natural Sciences of Philadelphia 6(second series):249-302 + plates 29-45.
Lea, I. 1868. New Unionidae, Melanidae, etc., of the United States. Journal of the Academy of Natural Sciences of Philadelphia 6(second series):303-343 + plates 46-54.
Lea, I. 1868. Description of sixteen new species of the genus Unio of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia 20(1868):143-145.
Lea, I. 1868. Notes on some singular forms of Chinese species of Unio. Proceedings of the Academy of Natural Sciences of Philadelphia 20(1868):145-146.
Lea, I. 1868. Descriptions of four new species of exotic Unionidae. Proceedings of the Academy of Natural Sciences of Philadelphia 20(1868):150.
Lea, I. 1868. Descriptions of twenty-six new species Melanidae of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia 20(1868):151-153.
Lea, I. 1868. Descriptions of seven new species of Unio from North Carolina. Proceedings of the Academy of Natural Sciences of Philadelphia 20(1868):160-161.
Lea, I. 1868. Description of two new species Unionidae from Equador. Proceedings of the Academy of Natural Sciences of Philadelphia 20(1868):161-162.
Lea, I. 1868. Descriptions of Unionidae from the Lower Cretaceous Formation of New Jersey. Proceedings of the Academy of Natural Sciences of Philadelphia 20(1868):162-164.
Lea, I. 1868. Description of nine species of Unionidae from Lake Nicaragua, Central America. Proceedings of the Academy of Natural Sciences of Philadelphia 20(1868):94-96.
Lea, I. 1869. Are Unios sensitive to light? American Journal of Science and Arts 97(141):430-431.
Lea, I. 1869. Are Unios sensitive to light? Annals of Natural History 3:466.
Lea, I. 1869. Observations on the genus Unio, together with descriptions of new species in the family Unionidae, and descriptions of new species of the Melanidae, and Paludinae. Philadelphia, Pennsylvania. Printed for the Author. Vol. 12. 105 pp. + plates 29-54.
Lea, I. 1869. Descriptions of six new species of freshwater shells. Proceedings of the Academy of Natural Sciences of Philadelphia 21(1869):124-125.
Lea, I. 1870. A synopsis of the family Unionidae. Fourth Edition, very greatly enlarged and improved. Henry C. Lea, Philadelphia, Pennsylvania. xxx + 184 pp.
Lea, I. 1871. Descriptions of three new species of exotic Unionidae. Proceedings of the Academy of Natural Sciences of Philadelphia 23(1871):188.
Lea, I. 1871. Descriptions of twenty new species of uniones of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia 23(1871):189-193.
Lea, I. 1872. Rectification of T.A. Conrad's "Synopsis of the family of Naïades of North America," published in the "Proceedings of the Academy of Natural Sciences of Philadelphia, February, 1853." New Edition. Collins Printer, 705 Jayne Street, Phildelphia. 45 pp.
Lea, I. 1872. Descriptions of twenty-nine species of Unionidae from the United States. Proceedings of the Academy of Natural Sciences of Philadelphia 24(1872):155-161.
Lea, I. 1874. Descriptions of fifty-two species of Unionidae. Journal of the Academy of Natural Sciences of Philadelphia 8(second series):5-54 + plates 1-18.
Lea, I. 1874. Supplement to Isaac Lea's paper on Unionidae. Journal of the Academy of Natural Sciences of Philadelphia 8(second series):55-69 + plates 19-22.
Lea, I. 1874. Observations on the genus Unio, together with descriptions of new species in the family Unionidae, and descriptions of embryonic forms and soft parts, also, new species of Stepomatidae, Limnaeidae. Philadelphia, Pennsylvania. Printed for the Author. Vol. 13. 75 pp. + plates 1-22.
Lea, I. 1874. Description of seven new species of Unionidae of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia 25(1873):422-423.
Lea, I. 1874. Description of three new species of Uniones of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia 25(1873):424.
Lea, I. 1880. Descriptions of new fresh water and land shells. Proceedings of the American Philosophical Society 11(?):286-?
Lea, I., and W.G. Binney. 1858-1859. Explorations in Nebraska, etc. Report on the Geology and Natural History of Nebraska, F. V. Hayden, Ed.
Lea, I., and W.H. Benson. 1835. Characters of three new species of Indian freshwater bivalves. Journal of the Royal Asiatic Society of Bengal 4:450-454.