$1,00 per Year, ($1,12 to Foreign Countries,) lOcts.acopy, 



THE 



NAUTILUS 



f-o-%. \\ * 

 A MONTHLY 



DEVOTED TO THE INTERESTS 



"*-'* > X <S> 

 OF CONCHOLOGISTS. 



EDITOR: 



H. A. PILSBBY, Conservator Conchological Section, Academy of Natural Sciences, 



Philadelphia. 



ASSOCIATE EDITOR : 

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



Vol. XII. FEBRUARY, 1899. No. 10 



CONTENTS: 



PGA K. 

 COLLECTING SHELLS IN THE KLONDIKE COUNTRY. By P. B. 



Randolph ................................................ Kin 



UROSALPINX CINEREUS IN SAN FRANCISCO BAY. By Robert E. 



C. Stearns ................................................ 112 



POTAMOLITHUS JACUHYENSis, N. SP. By H. A. Pilsbrv ........ li:> 



REMARKS ON THE AMERICAN SPECIES OF CONULUS By Henry A. 



Pilsbry ................................................ 113 



SOME STUDIES ON THE MORPHOLOGY OF THE CTCLADID^E. By 



Dr. V. Sterki ........................... 117 



GENERAL NOTES ................................................ llli 



Published by 



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

 C. W. JOHNSON, Manager, Wagner Free Institute of Science. Philadelphia. 



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



