180 



BIBLIOGRAPHY OS 



Page. Name. 



57 Unio Conradius Lea. 



var. 

 57 constrictus Conrad. 



57 Cooperianiis Lea. 



U. striatus Raf., Anthony. 



Tar. Obovaria pachostea Raf., Fer, 

 57 cor Conrad. 



U. mytiloides? Raf. (young). 

 57 cordatus Raf. 



U. undatus Barnes. 



var. U. trigonus Lea. 



undulatus Desh, 

 57 costatus Raf. 



U. undulatus Barnes. 

 57 crassidens Lam. 



U. cuneatus Barnes. 



var. U. niger Raf. 

 gibber Lea. 



57 crassus Say, 



U. ellipticus Barnes. 

 var. U. ellipsarius Raf. 



ligamentina Lam. 

 orbiculatus Hild. 

 Mya gravis Wood. 

 U. cyclips Raf. 

 abruptus Say. 



58 cuneolus Lea. 

 58 cylindricus Say. 



var. U. naviformis Lam. 

 solenoides? Raf. 

 58 cyphius Raf. 



U. ui^sopus Green. 



var. Obliquaria cyphia Raf. 

 58 decisus Lea. 



58 declivis Say. 



var. U. geometricus Lea. 

 58 delumbis Conrad. 



U, viodioliformis Lea. 

 58 dilatatus Raf. 



U. gibbosus Barnes. 



var. U. mucronatus Barnes. 

 nasuta Lam. 

 58 dolabraeformia Lea. 



58 dromas Lea. 



58 var. 



Locality. 

 Tennessee. 

 Flint river. 

 Virginia. 

 Ohio river. 



Kentucky. 

 Elk river. 



Cumberland river. 



Ohio river, Tennessee., 



Ohio river. 



Ohio river. 

 Tennessee. 

 Ohio river. 



Scioto river. 



Cincinnati. 



Mississippi. 



Holston river. 

 Wabash river. 

 Ohio river. 

 Muskingum river. 

 Ohio river. 



Falls of Ohio river. 

 Alabama river. 

 Bayou Teche. 

 Louisiana. 

 Cooper river, S. C. 



Upper Missouri. 



Ohio river. 

 Tennessee. 

 Altamaha river. 

 Harpeth river. 

 Elk river. 



