﻿The 
  Geological 
  Society 
  of 
  America 
  

   Memoir 
  ^6 
  

  

  TYPE 
  SPECIMENS 
  OF 
  

  

  MARINE 
  MOLLUSCA 
  

  

  DESCRIBED 
  BY 
  

  

  P. 
  P. 
  CARPENTER 
  FROM 
  

  

  THE 
  WEST 
  COAST 
  

   (San 
  Diego 
  to 
  British 
  Columbia) 
  

  

  BY 
  

  

  KATHERINE 
  VAN 
  WINKLE 
  PALMER 
  

  

  Paleontological 
  Research 
  Institution 
  

   Ithaca, 
  New 
  York 
  

  

  

  December 
  8, 
  1958 
  

  

  