$1.00 per Year. ($1.12 to Foreign Countries J ICcts. a copy. 



THE 



NAUTILUS 



A MONTHLY 



DEVOTED TO THE INTERESTS 

 OF CONCHOLOGISTS. 



EDITOR: 



H. A. PiLSBRV, Conservator Conchological Section, Academy of Natural Sciences, Philadelphia. 



ASSOCIATE EDITOR : 

 C. W. Johnson, Acting Curator Wagner Institute of Science. 



Vol. IV. 



OCTOBER, 1890. 



No. 6. 



CONTENTS: 



Critical Notes on the Bulimuli ok Florida. Berlin H. Wright. 



A New Variety of Helix. Lorenzo G. Yates. 



Notices of New Amnicolid^e. H. A. Pilsbry. 



A New Species of Nanina. H. A. Pilsbry. 



Eastern New York Notes. W. S. Teator. 



WE.ST American Notes. C. R. Orcutt. 



American Association of Conchologists. 



The .Shell-Bearing Mollusca of Rhode Island. 



General Notes. .... 



Publications Received. 



Horace F. Carpenter. 



pagk. 

 61 

 63 

 63 

 64 

 66 

 67 

 68 

 70 

 71 

 72 



Published by 



H. A. PILSBRY, Editor, Academy of Nat. Sciences, Philadelphia. 



C. W. JOHNSON, Manager, Wagner Free Institute of Science, Philad'a. 



Entered at Philadelphia Post-OfBoe as second-class matter. 



FOREIGN AGENCIES:— London, Trubner & Co., ,57 and 59 Ludgate Hill; 

 Berlin, R. Friedlander & Son, 11 Carlstrasse. 



