'^ 



ft 



■i^ 



THE 



NAUTILUS 



A MONTHLY JOURNAL 



DEVOTED TO THE INTERESTS OF 



CONCHOLOGISTS 



VOL. XXII. 

 MAY, 1908, to APRIL, 1909. 



EDITORS AND PUBLISHERS : 

 H. A. PiLSBBY, Curator of the Department of MoUusca, Academy ol Natural Sclencei, 



Philadelphia. 



0. W. Johnson, Curator of the Boston Society of Natural History, 



Boston. 



