﻿PLATE 
  XIV. 
  

  

  Tejon 
  (Eocene) 
  Pelecypoda. 
  

  

  (Unless 
  otherwise 
  indicated 
  all 
  figures 
  are 
  natural 
  size.) 
  

  

  Fig. 
  la. 
  Ostrea 
  idriaensis 
  Gabb. 
  U.S.N.M. 
  165318. 
  Left 
  valve; 
  altitude 
  114 
  mm. 
  

  

  View 
  of 
  exterior. 
  North 
  of 
  Sudden 
  (4518). 
  Characteristic 
  of 
  this 
  

  

  horizon. 
  

   Fig. 
  lb. 
  View 
  of 
  exterior 
  of 
  right 
  valve 
  of 
  same 
  specimen. 
  

   Fig. 
  2. 
  Phacoides 
  cumulata 
  Gabb. 
  U.S.N.M. 
  1G5328. 
  Right 
  valve: 
  altitude 
  10 
  nun. 
  

  

  View 
  of 
  exterior. 
  X 
  4. 
  Three 
  miles 
  north 
  of 
  Sudden 
  (4518); 
  also 
  known 
  

  

  from 
  type 
  locality 
  of 
  Tejon 
  formation. 
  

  

  13G 
  

  

  