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



THE 



NAUTILUSsr. 



/ ^fTx^tlB US. \ 



A MONTHLY 



DEVOTED TO THE INTERESTS 

 OF CONCHOLOGISTS. 



EDITOR: 

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



ASSOCIATE EDITOR : 

 C. W. JOHNSON, Curator of the Wagner Free Institute of Science. 



Vol. XI. 



FEBRUARY, 1898. 



No. 10 



CONTENTS : 



UNIO (LAMPSILIS) AMPHICH/ENUS, N. Sp. By Lorraine S. Frierson. 

 NOTES ON QUEBEC PUPID^E AND OTHER SHELLS. By A. W. Hanham. 

 DESCRIPTION OF A NEW UNIO. By Berlin H. Wright. 



NEW PISIDIA. By Dr. V. STERKI 



ELWOOD PLEAS. ... . 



PUBLICATIONS RECEIVED. ....... 



A CLASSIFIED CATALOGUE OF AMERICAN LAND SHELLS, WITH LOCALITIES. 



(Continued). By Henry A. Pilsbry. ...... 117 



PAGK. 

 . 109 

 . 110 

 . Ill 

 . 112 

 . 114 

 . 115 



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. 



