no 



BIBLIOGRAPHY OF 



TECTIBRAXCHIATA. 



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v 



Bulla solitaria Say. 



B. insculpta Tott. 

 puncto-striata M. et Ad. 

 Philine lineolata St. 



. Bulla lineolata Couth, 

 sinuata St. (pi. i, lig. 7). 

 formosa St. 



P. quadrata F. et II. ? 

 scutulum Loven. ? 



Toniatelflidae. 



Actaeon puncto-striata St. | Tornatella puncto-striata Ad. 



Melampidae. 



Melampus corneus St. 



M. bidentatus Say. 

 Auricula cornea Desh. 



hid, ntata Gould. 

 denticulatus Auct. 



Voluta denticulata Mont. 

 Auricula denticulata Gld. 

 52 Carychium exiguum Gould. 

 Pupa exigua Say. 

 Bulimus exiguus Binney. 



Ancylus parallelus Hald. 



A . rivularis Uould. 

 fuscus Adams. 

 tardus Say. 

 Limnaea appressa Say. 

 decollata Migh. et Ad. 

 catascopium Say. 



L. pinguis Say. 

 i marginata Say. 

 ampla Migh. 

 megasoma Say. 

 columella Say. 



J., macrostoma Say. 

 cape rat a 



/.. umbilicata Adams, 

 humilis Say. 



L. modicellus Say. 

 pallida Adams. 

 desidiosa Say. 



PXEUIKOBRAXCIIIATA. 



Limiiacadae. 



Limnasa elodes Say. 



gracilis Jay. 

 Physa heterostropha Say. 



fragilis Migh. et Ad. 



ancillaria Say. 



gyrina Say. 



elongata S i • 

 Planorbis trivolvis Say. 



lentus Say. 



ox 

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bicarinatus Say. 

 campanulatus Say. 

 armigerus v 

 hirsutus Gould. 

 deflectus Say. 

 exacutus Say. 

 parvus Say. 



P. il, vatus Adams, 

 dilatatus Gould. 



P. lens Lea. 



