$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, Curator of the Wagner Free Institute of Science. 



/^ '^'W^*' 't* 



(LIBRARY 



. \ / 



L. v i* n ~.* . S 



Vol. XII. 



NOVEMBER, 1898. 



No. 7 



CONTENTS: 



PAGE. 



SHELL COLLECTING AT Mr. DESERT, MAINE. By John B. Henderson, Jr. 73 



A NEW POLYGYRA FROM NEW MEXICO. By W. H. Ball. . . 75 



DESCRIPTION OF A NEW AMPULLARIA FROM FLORIDA. By Wm. H. Dall. 75 



NEW POLYGYRAS FROM WHITE MOUNTAIN, NEW MEXICO. 



By T. D. A. Cockerell. 76 



NEW PISIDIA. By Dr. V. Sterki 77 



HALIOTIS CRACHERODII VAR. CALIFORNIENSIS SWAINSON. 



By H. A. Pilsbry. 79 



C. E. BEDDOME. By S. Raymond Roberts 80 



GENERAL NOTES .80 



PUBLICATIONS RECEIVED. ....... 81 



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. 



