/ 



THE 



NAUTILUS 



A MONTHLY JOURNAL 



DEVOTED TO THE INTERESTS OF 



CONCHOLOGISTS 



VOL. XVII. 

 MAY, 1903, to APRIL, 1904. 



BOSTON : 



EDITORS AND PUBLISHERS : 

 H. A. PiLSBKY, Curator of the Department of MoUusca, Academy of Natural Rcieiioes, 



Philadelphia. 



C. W. John-son, Curator of the Boston Society of Natural Hisioi y 



Boston. 



