NORTH AMERICAN CONCHOLOGY. 



349 



[Boston Jonrnal of Natural History — coniinued.l 



Vol. I No. Pa. ! Plate. 



m 



iii 



iii 

 iii 



iii 



iii 



111 

 iii 

 iii 

 iii 

 iii 

 iii 



Jan. 

 iv 



IV 

 iv 

 iv 

 iv 

 iv 



4 428 XXV 

 4 430 xxi 



1842 

 1 



432 xxi 

 434 xxi 

 435, xxii 

 43 G xxii 



483 



488 

 488 

 489 

 489 

 489 

 489 



37 



50 



iv 



20 



50 



iv 



19 



51 



iv 



21 



51 



iv 



17 



52 



iv 



18 



63 



iv 



4 



54 



iv 



11 



Kame. 



I,ocalit7. 



Helix alternata Sai/. 

 II. scahra Lam. 

 perspectiva Say. 

 II. parvula Desh. 

 striatella Anth. 

 limatula Ward, ined. 

 minuscula Binney. 

 lineata Say. 



Gould. — Results of an Examination of the Shells 

 of Massachusetts, and their Geographical Distri- 

 bution : by Augustus A. Gould, M. D. 



[No descriptions. Notes on tlie following European species] : — 



Limneea palustria. 



stagnalis. 



Bulimus acutiis. 



Helix variabilis. 



Pisana. 

 Alasmodon margaritifera. 

 &o. ikc. 



Mighels & Adams. — Descriptions of twenty- 

 four species of the Shells of New England : by 

 J. W. MiGHELs, M. D., and Prof. C. B. Adams. 



Thracia truncata M. Sf- Ad. 

 Cyclas minor M. cj- Ad. 



nitida M. .<• Ad. 

 Nucula delphinodonta M. S)- A. 



Cascoensis M. .J- ,l</. 

 Pecten tenuicostatus M. Sj- Ad. 

 Chiton mendicarius M. S^ Ad. 

 Cemoria princeps M. iS' Ad. 

 Bulla puncto -striata M. ^ Ad. 

 Physa fragilis M. <j- Ad. 

 Limnaea decollata M. <5' -4^- 

 Margarita varicosa M. Sj- Ad. 



acuminata M. <\- -1'/. 

 Trochus occidentalis il/. ^' Ad. 

 Cingula latior M. <i- Ad. 



arenaria J/, i^ Ad. 

 Tiirlio areixirius Mont. 



semicostata ^f. ^- Ad. 

 Tiirho sumiroslata Mont.? 

 Turritella costulata M. ^ Ad. 



reticulata .1/. A- .1'/. 

 Pleurotoma violacea M. ^ Ad. 

 Fasciolaria ligata M. <.y Ail. 

 Fusus cancellatus M. <<• Ad. 

 Nucula antiqua M. <^- Ad., fossil. 

 Bulla occulta .1/. <J- Ad., fossil. 



Casco bay. 

 Wey bridge, Vt., 

 Portland, Me. 

 Oxford Co., Me. 

 Casco bay. 

 Casco bay. 

 Casco bay. 

 Casco bay. 

 Maine. 

 Casco bay. 

 Monmouth, Me. 

 Unity, Me. 

 Bay Chaleur. 

 G'lf St. Lawr'ce. 

 Casco bay. 

 Casco bay. 

 Casco bay. 



Casco bay. 



Casco bay. 

 Bay Oialeur. 

 Casco bay. 

 G'lf St. Lawr'ce. 

 Casco bay. 

 Portland, Me. 

 1 Portland, Me. 



