——-- ss “a = —_—— oe ee 
004 PROCEEDINGS OF THE ACADEMY OF [Nov., 
Tritogonia verrucosa Raf. 
Obliquaria verrucosa (U. verrucosa) Raf. Monogr. (1820), p. 304, No. 26, 
Pivelacst0,'11, 12. 
The types are A. N. 8. P. Coll. No. 20,235, from the Ohio River. 
Length 100, height 56, diam. 32 mm. 
Length 93, height 53, diam. 28 mm. 
This is Tritogonia tuberculata Bar. (1823) of Simps. Synops., p. 
608, Descr. Catal., p.318. Unio tuberculata Bar. (1823) is preoccupied 
by Unio tuberculata Raf. Monogr. (1820), pp. 308, 311, 312. 
Cyprogenia stegaria Raf. 
Obovaria stegaria (Unio stegaria) Raf. Monogr. (1820), p. 312, No. 49, Pl. 82, 
figs. 4, 5, var. 1, twbherculata Raf. 
The type is A. N.S. P. Coll. No. 20,241, from the Ohio River. 
Length 47, height 49, diam. 32 mm. 
This is Cyprogenia irrorata Lea (1830) of Simps. Synops., p. 610, 
Descr. Catal., p. 326. The name tuberculata is preoccupied by Raf. 
Monogr. (1820), p. 308, No. 37. 
Obliquaria reflexa Raf. 
Obliquaria reflexa (U. refleca) Raf. Monogr. (1820), p. 306, No. 31. 
The types are A. N. 8. P. Coll. No. 20,206, from Letart Falls. 
Length 54, height 49, diam. 34 mm. 
Length 50.5, height 46.5, diam. 35 mm. 
This is Obliquaria refleca Raf. of Simps. Synops., p. 611, Descr. 
Catal., p. 330. 
Ptychobranchus fasciolaris Raf. 
Obliquaria fasciolaris (U. fasciolaris) Raf. Monogr. (1820), p. 308, No. 25. 
The type is A. N. 8. P. Coll. No. 20,253, from the Kentucky River. 
Length 81, height 49, diam. 28 mm. 
This is Ptychobranchus phaseolus Hild. (1828) of Simps. Synops., 
p. 612, Descr. Catal., p. 333. 
Lastena lata Raf. 
Anodonta lata (Lastena lata) Raf. Monogr. (1820), p. 317, No. 59, Pl. 82, 
figs. 17, 18. 
The type is A. N.S. P. Coll. No. 20,227, from the Kentucky River. 
Length 61.5, height 25, diam. 13 mm. 
This is Lastena lata Raf. of Simps. Synops., p. 654, Deser. Catal., 
p. 453. 
Symphynota viridis Raf. 
Unio viridis (Elliptio viridis) Raf. Monogr. (1820), p. 293, No. 3, var. 2, 
fuscata Raf. t.c., p. 294. 
The type is A. N.S. P. Coll. No. 20,219, from the Kentucky River, 
only one valve. 
