94 



BIBLIOGRAPHY OP 



Bulla hiemalis Couth. 



insculpta Totti n. 



lineolata Couth. 



obstricta Gould. 



oryza Totten. 



triticea Couth. 

 Helix albolabris Say, 



alternata Say. 

 J/, scabra Lam. 



arborea Say. 



cellaria Midler. 



chersina Say. 



electrina Gould. 



hortensis Midler. 



var. subglobosa Binn. 



lineata Say. 



indentata Say. 



labyrinthica Say. 



monodon Rackett. 

 11. fraterna Say. 



hirsuta Say. 



H. fraterna Wood. 



pulchella Midler. 

 11. rniii uta Say. 



striateila Anthony. 



thyroidus Say. 



tridentata Say. 

 Pupa contracta Say. 



curvidens Gould. 



exigua Say. 



fallax Say. 



milium Gould. 



modesta Say. 



simplex Gould. 



Tappaniana Ward. 

 Bulimus lubricus Drug. 

 Succinea avara Say. 



campestris Say. 



ovalis Say. 

 Auricula bidentata Gould. 

 Mi lampusbidentatusS&y 



denticulata Gould. 

 Planorbis armigerus Say. 



bicarinatus Say. 



campanulatus Say. 



