374 



BIBLIOGRAPHY OF 



[Proceedings of the Acad, of Nat. Sci. of Philad. — continued.] 



Name. 



Locality. 



Unio contrarius Cunr. 



nucleopsis Conr. 



limatulus Conr. [p. 162.) 



aratus (plectophoms Conr. on 

 Margaritana Etowahensis Conr. 

 Melania ccelatura Conr. 



perangulata Conr. 



nebulosa Conr. 



percarinata Conr. 



symmetrica Conr. 

 Solecardia Conr. (n. g.) 



eburnea Conr. 

 Fetricola sinuosa Conr. 

 Cyathodonta Conr. (n. g.) 



undulata Conr. 

 Pholadopsis Conr. (n. g.) 



pectinata Conr. 

 Parapholas bisulcata Conr. 

 Penitella Wilsoni Conr. 

 Triton perforatus Conr. 

 Oliva propatula Conr. 



Ogeechee river. 

 Etowah river. 

 Savannah river. 

 Flint river, Ga. 

 Etowah river. 

 Savannah river. 

 Savannah river. 

 Savannah river. 

 Savannah river. 

 Savannah river. 

 Lower Calif'a or Peru. 

 Lower Calif'a or Peru. 

 Lower Calif'a or Peru. 

 Lower Calif'a or Peru. 

 Lower Calif'a or Peru. 

 Lower Calif'a or Peru. 

 Lower Calif a or Peru. 

 Lower Calif'a or Peru. 

 Lower Calif'a or Peru. 

 Lower Calif'a or Peru. 

 Lower Calif'a or Peru. 





Keller. — On Ciliary Cells in some Maine Naked Mollusca 

 in Embryo (Eolis, Acteon viridis, Cantops Harvard- 

 ianus Agassiz) : by William Kellek, M. D. 



Conrad. — Descriptions of new species of Fresh-water 

 Shells : by T. A. Conbad. 



Unio Aberti Conr. |Verdigris river, Ark. 



Lea. — Note on the Periodicity of Naiades : by Isaac Lea. 



L<ea. — Remarks on Specie3 and on Agassiz's Division of the 

 Naiades : by Isaac Lea. 



Conrad. — Notes on Shells, with descriptions of new species : 

 by T. A. Conrad. 



Cryptodon, preoc. = Schizothaerus. 



NuttaUii Conr. = Schizothaerus Nuttallii. 

 Unio turtjidus Lea = TJ. Mortonl Conr. 



Conrad. — Synopsis of the Family of Naiades of North 

 America, with Notes, and a table of some of the genera 



and subgenera of the family, according to their geographi- 

 cal distribution, and descriptions of genera and subgenera : 

 by T. A. Conrad. [Also in pamphlet form.] 



Pa. I Name. IVol. Pa.l Name. 



244 Unio abacus Said. vi 244 Unio affinis Lea. 



244 Aberti Conr. vi 244 amcenus Lea. 



U. Lamnrrkiamis Lea. \ vi 244 ( amygdalum Lea. 

 244 acutissimus Lea. vi 244 altilis Conr. 



