﻿PLATE 
  XXVI. 
  

   Fernando 
  (Pliocene) 
  Pecten. 
  

  

  (Unless 
  otherwise 
  indicated 
  all 
  figures 
  are 
  two-thirds 
  natural 
  size.) 
  

  

  Fio. 
  1. 
  Pecten 
  (Patinopecten) 
  healeyi 
  Arnold. 
  U.S.N.M. 
  148012. 
  Holotype. 
  Right 
  

   valve; 
  altitude 
  121 
  mm. 
  View 
  of 
  exterior. 
  San 
  Diego 
  formation 
  (Pli- 
  

   ocene), 
  San 
  Diego 
  County, 
  Cal. 
  Characteristic 
  of 
  the 
  Fernando 
  forma- 
  

   tion 
  throughout 
  the 
  Coast 
  Range. 
  

  

  Fig. 
  2. 
  Pecten 
  (Patinopectcn) 
  healeyi 
  Arnold. 
  U.S.N.M. 
  154162. 
  Paratype. 
  Left 
  

   valve; 
  altitude 
  141 
  mm. 
  View 
  of 
  exterior. 
  San 
  Diego 
  formation 
  (Pli- 
  

   ocene), 
  Pacific 
  Beach, 
  San 
  Diego 
  County, 
  Cal. 
  

  

  154 
  

  

  