1853.] OAT 
Unio coccineus, Arldreth, MSS. 
Con., Monog., 1836, 29, 13, 1. 
Lea, 1838, Synopsis, 35, vi. 12, 5, 12. 
collinus, Coz., Monog., 65, 36, 2, and 159, 60, 3. 
Lea, Synopsis, 23. 
complanatus, Soland. Lea, (e) 
Mya complanata, Soland. Portland Catalogue, 100. 
Dillwyn, Catalogue, i. 51. 
U. complanatus, Lea, Synopsis, 32. 
violaceus, Speng., Ferrus, Guerin’s Mag. 26. 
coarctata, Lam., Anim. vi. 75. 
Desh. ed. of Lam. vi. 535. 
Enc. Method, ii. 581. 
purpurascens, Lam., Desh. ed. vi. 536. 
rhombula, “var. b. © 66 SE 
carinifera, 6 6G 
Georgina, 6 ec iech mn cc 
sulcidens, ce ‘6 «540. 
glabrata, 6 6 66 590) 
rarisulcata? §& GG 68 REY. 
aurata, Raf., Ann. Poulson’s trans. 27. 
jejunus ? Lea, vi. 9, 4, 9. 
Chenu, pl. 20, fig. | 
Roanokensis ? ina, Vi. 27, 8, 21, Synopsis, 32. 
Delassert, Recueil. de Conchyl. pl. 12, fig. 3. 
Chenu, pl. 12, fig. 5 
complanatus, Gould, es of Mass. 107, 68, 69, 70. 
Dekay, Zool. of New York, 188, 22, 246. 
Agas., Stimpson’s Shells of N. Eng. 13. 
purpureus, Say, Nicholson’s Ene. fig. 3. 
Barnes, Sillim. Journ. vi. 264. 
concavus, Lea, 1852, x. 260, 15, 1,1, Synopsis 29. 
. eCongareus, Lea, 1832, iv. 62, 6,4, Synopsis, 27. 
Con., Monog., pl. 12, fig. 1. 
Chenu, Conchyl]. Unio, pl. 8, fig. 5. 
compressissimus, Lea, 1845, x. 81, 8, 23. Synopsis, 24. 
Conradicus, Lea, 1834, Synopsis, 21, v. 63, 9, 2. | 
Chenu, Conchyl. Unio, 87, 47, 3. 
contrarius, Coz., Journ. Acad. Nat. Sc., i. 276, 37, 7. 
constrictus, Cow., Monog., pl. 49, fig. 4. 
Lea, Synopsis, 29. 
Cooperianus, Lea, 1834, v. 61,8, 21, Synopsis 22. 
cor, Con., New F. W. Shells, 28, 3, 3. 
Lea, Synopsis, 26. 
cordatus, Raf. (Obovaria,) Ann., v.46, Poulson’s trans. 52. 
Con., Monog., 48, 25. 
Kust., Chemn. Unio, pl. 13, fig. 1. 
creperus, Lea, vi. 33, 10, 28, ON, 31. 
Chenu, Conchyl. iUiiile pi. 23, fig. 5 
crocatus, Lea, 1841, Synopsis 27, vill. 238, 22, 52. 
Chenu, Conchyl. Unio, pl. 33, fig. 1. 
Cumberlandianus, Lea, 1838, vi. 25,7, 19, Synopsis 30. 
U. Cumberlandicus, Chenu, pl. 24, fig. 1 
U. glaber ? Lea. 
cuneolus, Lea, 1842, viii. 193, 7,3, Synopsis 24. 
Chenu. Conchyl. Unio, pl. 30, fig. 2 
39 
