THE 



NAUTILUS 



-I 'AllTEKLY Jon-; J, 

 DEVOTED TO THE INTEKSTS 

 OF CONCHOLOGISl 



VOL. XXXII 

 JULY, 1918, to APRIL, 





EDITORS AND PUBLISHER. 1 - 



HENRY A. PILSBR 



urator of the Department of Mollusca, Academy Natural Sciencee 



PHILADELPHIA 



CHARLES W. JOHNS N 



iirHtur of the Boston Society of Natural i&N.n 

 -TON 



