$1.00 per Year. ($1.12 to Foreign Countries.) lOcts. a copy. 



"'^'"^ THE 



NAUTILUS 



A MONTHLY 



DEVOTED TO THE INTERESTS 



OF CONCHOLOGISTS. 



EDITOR: 

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



ASSOCIATE EDITOR : 

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



Vol. IV. SEPTEMBER, 1890. No. 6. 



CONTENTS: 



PAGE. 



Remarks on Certain Goniohases. H. A. Pilsbry. . . .49 



A Few "Nevers" for Conchologists. Dr. V. Sterki. . . .50 



A New Variety of Helix Cartenteri from Southern California. 



Dr. Lorenzo G. Yates. . . . . . . .51 



Preliminary Notices ok New Amnicolid^. H. A. Pilsbry. . . 52 



Cypr^a Spadicea. Lorenzo G. Yates. . . . . .54 



American Association of Conchologists. . , . .54 



The Shell-Bearing Mollusca of Rhode Island. Horace F. Carpenter. 56 

 General Notes. . . . . . . . .59 



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-Office as second-class matter. 



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

 Berlin, R. Friedlander & Son, 11 Carlstrasse. 



