C30 



BIBLIOGRAPHY OF 



[PART I. 



Page. 

 113 



113 

 113 

 113 

 113 



Trichotropis horealiaSowb. 



T. costellatus Couth. 

 Turritella erosa Couth. 

 Unio complanatus Lea. 



nasutus Say. 



radiatus Barnes. 



113 Venus gemma Totten. 

 113 mercenaria Linn. 



113 Velutina laevigata. 



V. rupicola Conr. not 

 Oxynoe glabra. 



Itlissell. — Conspectus of Shells found "in Essex County, &c. 

 by J. H. Russell. (From same as last, p. 12(J.) 



[No descriptions are given. — W. G. B.] 



var. pygmaeus Gould. 



Trytonium pygmaeum St. 

 Helix albolabris Could. 

 alternata Could. 

 arborea Gould. 

 electrina Gould. 

 exigua Gould. 

 hortensis Gould. 



Helix subglobosa Binney. 

 indentata Could. 

 labyrinthica Could. 

 lineata Gould. 

 minuscula Gould. 

 pulchella Gould. 

 chersina Gould. 



Kellia rubra Gould. 

 Leda limatula St. 



myalis St. 



Nucula myalis Gould. 



sapotilla St. 



Niicula sapotilla Gould. 

 Ancylus fuscus Gould. 

 Limnaea columella Could. 



elodes Gould. 



macrostoma Could. 



modicellus Gould. 



umbilicata Gould. 

 Planorbis armigerus Could. 



bicarinatus Gould. 



campanulatus Gould. 



deflectus Gould. 



exacutus Gould. 



