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$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. PiLSERY, Conservator Conchological Section, Academy of Natural Sciences, Philadeljihia. 



ASSOCIATE EDITOR : 

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



Vol. IV. 



NOVEMBER, 1890. 



No. 7. 



CONTENTS: 



A Glance .\t the Academy of Natural Sciences of Philadeli'iha 

 John Ford. ...... 



Notes on Bulimulus Dormani W. G. B. Charles T. Simpson. 



Description of a New Species of Anctus. John Ford. 



Shells Within City Limits. F. A. Sampson. 



American Association of Conchologists. 



General Notes. ...... 



lO 



79 

 SI 

 82 

 82 



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. 



