CONTEN'TS. 



PAGE 



Descriptions of New Species of Land Shells inhabiting 



Polynesia. By William Harper Pease 289 



A Well-abused MoUUst:: By H. Crosse. (Translated by 



294 



By George W. 



297 



299 



302 



308 



Frank Daulte.. 



Description of a New Species of Columna. 

 Tryon, Jr 



Descriptions of New Species of Melaniidse and Melano- 

 pidse. By George W. Tryon, Jr 



Description of a New Species of Septifer. By George W. 

 Tryon, Jr 



Description of a New Species of Helix. By George W. 

 Trj'on, Jr 



On the Terresirial Mollusca of the Guano Island of 



Navassa. By George W. Tryon, Jr 304 



Monograph of the Terrestrial Mollusca of the United 



States. CContiniu'd ) By George W. Tryon, Jr 30(i 



On a Species of Helix from California, supposed to be 



New. By William 11. Dall 328 



Descriptions of Three New Species of Land Shells from 

 Arizona. By William M. Gabb 330 



On the Acmseidse of the Vancouver and California pro- 

 vince. By P. P. CarjK'nter 332 



Remarks on the Distribution of the Inoperculated Land 

 Shells which inhabit the Continent of America and 

 the West Indies. By Thomas Bland 349 



Dascriptions of New Species of North American Land 

 bhells. By Thomas Bland 371 



EDITOR'S TABLE. 



Reviews and Summary of Conchological Publications 375 



American. — Conchological Notes, by Dall. — Proceedings of the Philadel- 

 phia Aciidemy of Natural Sciences. — American Journal of Science 

 and Arts. 



Foreupi. — Proceedings of the Zoological Society, London. — Conchologia 

 Iconica, by L Reeve. 



Journal de Conchyliologie. 



Scientific Intelligence 384 



Museum of Comparative Zoology, at Cambridge, Mass — Building 

 Fund of the Academy of Natural Sciences, &c 



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