Illinois Natural History Survey - University of Illinois

- KEY TO GRANIA OF NORTH AMERICA, BERMUDA, AND THE CARIBBEAN -


 

Key step 2B: Spermatheca of Grania americana.

eg, gland; spp, spermathecal ectal pore; e, ectal duct; sr, sperm rings; a, ampulla

 Scale = 20um

Back to key step 2B


Key step 3A: Statocyst of Grania americana.ab, anterior brain vesicle; bv, blood vessel; ri, statolith

Scale = 20um

Back to key step 3A


Key step 5A: Penial apparatus of Grania bermudensis.

bu, bipartite union; c, clitellum; i, invagination; m, muscle; p, male pore;

pj, pad-like glandulan junction; rs, ridged sac; st, stylet; v, vas deferens

Scale = 20um

Back to key step 5A


Key step 5B: Penial apparatus of Grania americana.

bu, bipartite union; c, clitellum; i, invagination; m, muscle; p, male pore; pg, penial gland;

pj, pad-like glandulan junction; rs, ridged sac; st, stylet; v, vas deferens

Scale = 20um

Back to key step 5B


Key step 6A: Male duct system and penial apparatus of Grania bermudensis.

c, clitellum; co, spermfunnel collar; m, muscle; p, male pore; sf, sperm funnel;

sm, spiral of muscle; st, stylet; v, vas deferens

Scale = 20um

Back to key step 6A


Key step 6B: Male duct system and penial apparatus of Grania hylae.

c, clitellum; co, spermfunnel collar; m, muscle; p, male pore; sf, sperm funnel;

sm, spiral of muscle; st, stylet; vc, vas deferens constrictions; v, vas deferens

Scale = 20um

Back to key step 6B


Key step 10B: Spermatheca of Grania laxartus.

a, ampulla; cp, conical protrusion of spermatheca; e, ectal duct;

ed, ectal dilation; spp, spermathecal ectal pore

Scale = 20 um

Back to key step 10B


© Copyright 1999-2003, K.A. Coates

ALL RIGHTS RESERVED

{page update: 8 July 2003}



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