222 



BIBLIOGRAPHY OF 



[part II. 



Page. 



Name. 



Locality. 



113 



Limnaea Petitii Beck. 



Newfoundland. 



116 



Aplexa elongata Say. 



Mississippi river. 



117 



Maugeriee Gray. 



Mexico. 



117 



suturalis Beck. 



Mexico. 



117 



Bulinus fontinalis (i.) Beck, 

 a. Canadensis (an sp. d. ?) 



Canada, &c. 



117 



pumilus Conr. 



Physa pumllia Conr. 



Alabama. 



117 



crassula {Dw.) Beck. 

 Bulla fontinalis, Sfc. Ch. 



a. typica. 



Physa heterostropha Say. 



b. striata. 



Physa striata Mke. 



c. minor. 



Physa arctistropha Chr. & Jan. ? 



Missouri river. 



118 



subaratus {Mke.) Beck {Physa). 



OMo. 



118 



gyrinus (Say) Beck {Physa). 



Carolina. 



318 



Flanorbis campanulatus Say. 



A. Sp. c. c. 



118 



antrorsus Conr. 



Alabama. 



118 



proboscideus Mke. 



New York. 



118 



bicarinatus Say. 



a. major. 



P. angulatus Wood. 



b. minor. 



Am. S. c. c. 





P. eburneus Cli. ? (ix, 1123). 



New Jersey. 



118 



trivolvis Say. 



Niagara. 



118 



corpulentus Say. , 





119 



subcarinatus Say ! 

 a. normalis. 

 1. junior. 



A. Sp. c. c. 





P. anceps Mke. (List. H, cxxxix, 



44.) Delaware river. 





2. adultus. 







b. subdistortus. 





119 



fovealis Mke. (List. H, cxl, 47). 



Delaware river. 



119 



capillaris Beck. 



Mexico. 



120 



fuliginosus Beck. 



Mexico. 



122 



parvus Say. 



Delaware. 



123 



arcticus Beck. 



Greenland. 



123 



armiger Say. 

 P. armigerus Say. 



Missouri river. 



