404 



BIBLIOGRAPHY OP 



Conrad. — N'otes on Shells, with Descriptions of new Genera 

 and Species: by T. A. Conrad. (From same as last, p. 210.) 



213 Petricola Californica Conr. 



Saxicava Californica Conr. 



P. arcuata Desh. 

 213 carditoides Conr. 



Saxicava carditoides Conr. 



P. cylindracea Desh. 

 213 Siliqua Nuttallii Conr. 



Solecurtus Nuttallii Conr. 

 maximus Gould, 

 non Wood. 



Sohn splendens Chenu. 



213 



213 



213 

 214 



214 

 214 

 214 

 214 



Siliqua lucida Conr. 

 Solecurtus lucidus Conr. 

 radiatus Gould, non Linn. 

 Trigonella Conr. (n. g.) 

 crassatelloides Conr. 

 Sanguinolaria Nuttallii 



Conr. 

 Psammohia decora Hinds. 

 Margaritaria Conr. (n. g., 

 Parapholas Con. (n.g.) [fos.) 

 Californica Conr. 

 Janelli Desh. 



Conrad. — Descriptions of new Fresh- water and Marine Shells: 

 by T. A. Conrad. (From same as last, part iv, p. 275. Jan. 

 1850.) 



Page. 



Plate. 



Fig. 



275 



xxxvii 



1 



275 



xxxvii 



2 



275 



xxxvii 



3,4 



275 



xxxvii 



5 



276 



xxxvii 



6 



276 



xxxvii 



7 



276 



xxxvii 



S 



276- 



xxxvii 



9 



276 



xxxviii 



2 



277 



xxxviii 



4,8 



277 



xxxviii 



7 



277 



xxxviii 



11 



277 



xxxviii 



1 



278 



xxxviii 



3 



278 



xxxviii 



5 



278 



xxxviii 



6 



278 



xxxviii 



9 



278 



xxxviii 



10 



Name. 

 TTnio securiformis Conr. 



stagnalis Conr. 



Ogeecheensis Conr. 



rosaceus Conr. 



oratus Conr. 



contrarius Conr. 



nucleopsis Conr. 



limatulus Conr. 



perplicatus Conr. 

 U. atrocostatus Lea. 



nodiferus Conr. 



plectophorus Conr. 

 U. aratus. 



Mississippiensis Conr. 

 Melania sublirata Conr. 



coelatura Conr. 



symmetrica Coiir. 



perangulata Conr. 



nebulosa Conr. 



percarinata Conr. 



Locality. 

 Flint river, Ga. 

 Ogeechee riv., Ga. 

 Ogeecliee riv., Ga. 

 Savannah river. 

 Flint river, Ga. 

 Ogeechee riv., Ga. 

 Etowah river, Ga. 

 Savannah river. 

 Jackson, La. 



Jackson, La. 

 Flint river, Ga. 



Lower Mississippi. 

 Savannah river. 

 Savannah river. 

 Savannah river. 

 Savannah river. 

 Savannah river. 

 Savannah river. 



[Here follow descriptions of marine shells from Lower California and 

 Peru. The particular locality not being given, they are all quoted among 

 the foreign species. — W. G. B.] 



