NORTH AMERICAN CONCHOLOGY. 



349 



[Boston Journal of Natural History — continual] 



1 



2 



3 

 5 



6 



7 



8 



9 



10 



12 



13 



14 



15 



16 



22 



24 



23 



20 

 19 

 21 

 17 

 18 

 4 

 11 



Name 



Locality. 



Helix alternata Say. 



II. scabra Lam. 

 perspectiva Say. 



11. purvula Desh. 

 striatella Anth. 

 limatula Ward, fried, 

 minuscula Binney. 

 lineata Say. 



fl.OBJJd. — Results of an Examination of the Shells 

 of Massachusetts, and their Geographical Distri- 

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



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



Limnaea palustris. 



stagnalis. 



Bulimus acntus. 



Helix variabilis. 



Pisana. 

 Alasmodon margaritifera. 

 &c. die. 



Migliels & 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. 8p Ad. 

 Cyclas minor M. y - Ad. 



nitida M. §• Ad. 

 Nucula delphinodonta M. fr A. 



Cascoensis M. §• Ad. 

 Pecten tenuicostatus M. 8f Ad. 

 Chiton mendicarius M. <\- Ad. 

 Cemoria princeps M. A- Ad. 

 Bulla puncto -striata M. dr Ad. 

 Physa fragilis M. fr Ad. 

 Limnaea decollata M. $• Ad. 

 Margarita varicosa M. 8p Ad. 



acuminata M, Sr Ad. 

 Trochus occidentalis M. §• Ad. 

 Cingula latior J/. A- Ad. 



arenaria M. §• Ad. 

 Turbo arenarius Mont. 



semicostata M. §• Ad. 

 Turbo semicostata Mont.? 

 Turritella costulata M. <)■ Ad. 



reticulata .1/. A- A<1. 

 Pleurotoma violacea M. Sf Ad. 

 Fasciolaria ligata M. §• Ail. 

 Fusus cancellatus M. <\- Ad. 

 Nucula antiqua M. Sp Ad., fossil. 

 Bulla occulta .)/. >y Ad., fossil. 



Casco bay. 

 Weybridge,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 Chaleur. 

 < lasco bay. 

 G'lf St. Lawr'ce. 



Casco bay. 

 Portland, Me. 

 Portland, Me. 



