NORTH AMERICAN CONCHOLOGY. 



251 



Page. 



No. 



Name. 



Locality. 



6 



58 



Pisidium abditum Bald. 



OMo canal. 



6 



59 



ferrunginium Prime. 



Ohio canal. 



6 



60 



Liranae caperata Say. 



Swamp ditches. 



6 



61 



desoidosa Say. 



Swamp ditches. 



6 



62 



humilis Say. 



Scioto riv., Ohio can., &c. 



6 



63 



reflexis Say. 



Swamps. 



6 



64 



umbrosus Say. 



Swamps. 



6 



65 



9 



Swamps. 



6 



66 



Physa ancilliara Lea. 



Scioto river. 



6 



67 



elongata Say. 



Swamp ditches. 



6 



68 



gyrina Say. 



Scioto river. 



6 



69 



heterostropha Say. 



Scioto riv., Ohio can., &c. 



6 



70 



Planorbis armigerus Say. 



Swamp ditches. 



6 



71 



campanulatus Say, 



Scioto river. 



6 



72 



bicarinatus Say. 



Scioto river & Ohio canal. 



6 



73 



dilitatus Gould. 



Swamps. 



6 



74 



parvus Say. 



Ohio ca'l, swamp ditches. 



6 



75 



lentus Say. 



Scioto river. 



6 



76 



trivolvis Say. 



Scioto swamps, Ohio ca'l. 



6 



77 



Ancylus tardus Say. 



Scioto river & Ohio canal. 



6 



78 



9 



Scioto river. 



6 



79 



Paludina declsa Say. 



Scioto river & Ohio canal. 



6 



80 



genicula Conrad. 



Scioto river & Ohio canal. 



6 



81 



Integra Say. 



P. heterostropha Kirtland. 



Scioto river & Ohio canal. 



6 



82 



rufa Uald. 



Scioto river & Ohio canal. 



6 



83 



Amnicola limosa Say. 



Ohio canal. 



6 



84 



lapidaria Say. 



Moist places. 



6 



85 



Sayana Anthony. 



Moist places. 



7 



86 



Valvata tricarinata Say. 



Ohio canal. 



7 



87 



Melania depygis Say. 



Scioto river. 



7 



88 



inornata Anthony. 



Scioto river & Ohio canal. 



7 



89 



gracilor Anthony. 



Scioto river. 



7 



90 



exilis Unld. 



Scioto river. 



7 



91 



Kirtlandiana Lea. 



Scioto river. 



7 



92 



regularis Lm. 



Scioto river. 



7 



93 



pulchella Anthony. 



Scioto river. 



7 



94 



Sayii Ward. 



Scioto river. 



7 



95 



Anculosa isogonia Say. 



Ohio canal. 



7 



96 



Zua lubricus Say. 



Rocky places. 



7 



97 



Succinea avara Say. 



Moist places. 



7 



93 



ovalis Say. 





7 



99 



obliqua Say. 





7 



100 



vermetua Say. 





7 



101 



Pupa armifera Say. 





