NORTH AMERICAN CONCHOLOGY. 



2C9 



[Martini & Chemnitz ed. nov.] 



56 



62 

 65 



65 xii 



21-22 



27-28 



29-32 

 4-5 



6-7 



73 xiii 8-9 



83 xiv 14-15 



87 xiv 20-21 



Name. 



Paludina Wareana Shuttl. 

 magnifica Conr. 



P. himonifera Lea. 

 carinata Val. 

 subcarinata Say. 



Lymneus siihcarinatus Sw. 

 Sayana Anthony. 

 emarginata Say. 



Lymneus emaryinatus Sw. 

 Cincinnatensis Anthony. 

 minuta Say. 



Turbo minutus Say. 



Cingula minuta Tott. 

 lapidaria Say. 



Amnicola lapidaria Sw. 

 fontlnalis Phil. 



Melania Integra Say. 

 castanea Moll. 

 porata Say. 



Amnicola porata Gould, 

 lustrica Say. 



Amnicola lustrica Jay. 

 aculeus Gould. 



Turbo aculeus Gould. 



Cingula aculeus Jay. 

 Valvata tricarinata Say. 



Cyclostoma tricarinata Sw. 



Valvata carinata Sowb. 

 depressa C. Pfr. 



V. pulchella Studer. 

 spirorbis Hartmann. 

 sincera Say. 

 tricarinata yar. simplex Gould. 



Pfeiflfer. — Die Gattuug Daudebardia, Simpulopsis, 

 Vitrina und Succinea : von Dr. L. Pfeiffer.' 



Locality. 

 Lake Ware, East Fla. 

 Alabama River. 



Mexico. 



Delaware River, &c. 



Ohio river. 

 North America. 



Cincinnati. 

 Boston. 



Ohio river. 



Ohio river. 



Greenland. 

 Massachusetts. 



Vermont. 



Boston. 



United States. 



United States. 



' I have not repeated the full synonymy of the species described by Pfeiffer in the second 

 edition of Chemnitz, they having already been quoted in his Monograph. (See p. 103 ) 



