26 



BIBLIOGRAPHY OP 



Page. Name. 



40 Unio congar3Bus Lea. 

 40 delumbis Conr. 



40 purpureus var. ? 



43 cariosus Say, 



ANCULOTUS. 

 Page. PI. Fig. Name. 



59 viii 13 Anculotus praerorsus Say. 



60 Tiii 14 subglobosus Say. 

 60 viii 15 angulatus Conrad. ■ 



61 



viii 



18 



61 



viii 



16 



62 







62 







63 







64 



viii 



19 



64 



viii 



17 



plicatus Conrad. 

 monodontoides Conrad, 

 pictus Conrad. 

 pumiius Conrad. 



taeniatus Conrad. 

 melanoides Conrad. 

 nigrescens Conrad. 



Locality. 

 Santee canal. 

 Santee canal. 

 Santee canal. 

 Rappahannock. 



Locality. 

 Ohio and Tenn. rivers. 

 Holston and Tenn. rivs. 

 Flint river, Morgan Co. 



Ala. 

 Tenn. river in Ala. 

 Virginia. 

 Alabama river. 

 Black Warrior riv. 



Bayou Teche. 

 Claiborne, Ala 

 North Alabama 

 Maryland. 



and 



67 



67 

 67 

 67 

 67 

 67 

 67 

 67 



67 



67 



68 



68 



68 



Unio abruptus Say. 

 U. cyclips Raf. 

 calendis Raf. 

 arctatus Conr. 

 arcus Conr. 

 apiculatus Say, 

 asper Lea, 

 acutissimus Lea. 

 angustatus Lea. 

 ater Lea. 



U. lugubris Say. 

 alatU3 Say. 



U. megaptera Raf. 

 Symphynota alata Lea. 

 Alabamensis Conr. 



Symphynota injlata Lea. 

 altilis Conr. 

 bullatus. 



U. pustulosus Lea. 

 nodulosa Wood. 

 cardium Raf. 



U. ventricosus Barnes. 

 occidens Lea. 

 suhovatus Lea. 



SYNOPSIS OF NAIADES. \ 



Page. 

 68 Unio capax Green. 



68 



68 



caelatus Conr. 

 camptodon Say. 

 cylindricTis Say. 

 U. naviforniis Lam. 

 solenoides Raf. 

 cor Conr. 

 congaraeus Lea. 

 cyphia P>.af. 



U. yEsopus Green. 

 cicatricosus Say. 

 varicosus Lea. 

 CO status Raf. 



U. undulatus Barnes. 

 castaneus Lea. 

 cariosus Say, 

 U. crassus Say. 

 luteola Lam. 

 cariosa Lam. 

 ellipticus? Barnes. 

 compressus, 



Symphy. coinpressa Lea. 

 cordatus Raf. 

 U. ohovata Raf. 



