318 WEST COAST SHELLS 



those who have the true scientihc spirit they are just 

 as interesting as the marine and land torms and 

 more is to be learned about them. The writer will 

 be alad to undertake to identify material sent to him 

 at Stanford University, Cal. 



Plate I is from drawings by the writer. Plates 

 II and III are from photographs by Mr. John 

 Howard Paine, who made a number of fine concho- 

 logical finds while dredging in San Pedro Harbor. 

 They speak for themselves. The writer would ac- 

 knowledge his indebtedness to Professor Keep for 

 the privilege of contributing to his excellent book. 



