$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. 



Vol. X. DECEMBER, 1896. No. 8 



CONTENTS : 



PAtJK. 

 PURFURA LAPILLUS, VAR. IMHRICATA. By R. E. C. Stearns. . . .85 



NOTES ON NEW SPECIES OF AMNICOLID.* COLLECTED BY DR. RUSH IN 



URUGUAY. By H. A. Pilsbry SO 



DESCRIPTIONS OF SOME NEW SHELLS FROM THE NEW HEBRIDES ARCHI- 

 PELAGO. By C. F. Ancey 90 



NEW AMERICAN UNIO. By \Vm. A. Marsh, Aledo, Mercer Co., Illinois. . 91 



ISAAC LEA DEPARTMENT go 



HENRY D. VAN NOSTRAND. By S. Raymond Roberls 93 



THE AMERICAN ASSOCIATION OF CONCHOLOGISTS 94 



NOTES AND NEWS. ........... 96 



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. 



