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BIBLIOGRAPHY OP 



Page. Plate. Fig. 



89 vii 135 a, b 

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90 vii 141 



91 vii 



91 vii 



92 vii 

 92 



92 

 92 

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 93 

 93 

 93 

 93 



93 

 93 

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95 



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55 



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140 a, b 

 142 

 138 



Name. 



Melania depygis Sai/. 

 Niagarensis Lea. 

 virginica Say. 



Paludina virginica Say. 

 bizonalis De Kay. 

 gemma De Kay. 

 subularis Lea. 

 undulata Say, e. 1. 

 Hildrethiana Lea, e. 1. 

 castanea Lea, e. 1. 

 IcBvis Lea, e. 1. 

 Kirtlandlana Lea, e. 1. 

 Taitiana Lea, e. 1. 

 dubiosa Lea, e. 1. 

 ebenum Lea, e. 1. 

 rufescens Lea, e. 1. 

 tuberculata Lea, e. 1. 



M. stygia Say. 

 armigera Say, e. 1. 

 Hydei Conrad, e. 1. 

 catenaria Say, e. 1. 

 canceUata Say, e. 1. 

 fusiformis Lea, e. 1. 

 clavaeformis Lea, e. 1. 

 gracilis Lea, e. 1. 

 subsolida Lea, e. 1. 

 ocoeensis Lea, e. 1. 

 subcylindracea Lea, e. 1. 

 sordida Lea, e. 1. 

 regularis Lea, e. 1. 

 fuliginosa Lea, e. I. 

 alveare Conrad, e. 1. 

 annulifera Conrad, e. 1. 

 biteniata Conrad, e. 1. 

 canaliculata Say, e- 1. 



M. Sayii Conrad. 

 conica Say, e. 1. 



Ancidotus conicus ? 

 Nickliniana Lea, e. 1. 

 viridis Lea, e. 1. 

 occidentalis Lea, e. 1. 

 globula Lea, e. 1. 

 altilis Lea, e. 1. 

 strigosa Lea, e. 1. 

 virgata Lea, e. 1. 



Locality. 



Ohio river. 

 Ohio river. 

 Tennessee. 



Indiana & Oliio. 



Alabama. 



Tennessee. 



Tennessee. 



Tennessee. 



Tennessee. 



Ohio river. 



Alabama. 



South Carolina. 



Florida. 



Tennessee. 



Tennessee. 



Tennessee. 



Tennessee. 



Tennessee. 



Tennessee. 



Tennessee. 



Tennessee. 



Tennessee. 



Tennessee. 



Alabama. 



Alabama. 



Ohio. 



Ohio river. 



Virginia. 

 Ohio. 

 Ohio- 

 Tennessee. 

 Maryland & S. C. 



Tennessee. 



