﻿PLATE 
  XVI. 
  

  

  Vaqueros 
  (Lower 
  Miocene) 
  Fossils. 
  

  

  (Unless 
  otherwise 
  indicated 
  all 
  figures 
  are 
  natural 
  size.) 
  

  

  Fig. 
  1. 
  Pecten 
  (Lyropecten) 
  magnolia 
  Conrad. 
  U.S.N.M. 
  1G5317. 
  Right 
  valve; 
  alti- 
  

   tude 
  155 
  mm. 
  View 
  of 
  exterior, 
  X 
  \- 
  San 
  Julian 
  ranch. 
  A 
  character! 
  

   istic 
  Vaqueros 
  species. 
  

  

  Fig. 
  2. 
  Ostrea 
  eldridgei 
  Arnold. 
  U.S.N.M. 
  165307. 
  Left 
  valve: 
  altitude 
  100 
  mm. 
  

   View 
  of 
  exterior. 
  Mouth 
  of 
  Ballard 
  Canyon, 
  2 
  miles 
  south 
  of 
  Santa 
  Ynez 
  

   (4478). 
  Characteristic 
  of 
  this 
  horizon. 
  

  

  Fig. 
  3. 
  Turritella 
  ineziana 
  Conrad. 
  U.S.N.M. 
  1(55321. 
  Altitude 
  120 
  mm. 
  View 
  cl 
  

   side. 
  Ten 
  miles 
  west 
  of 
  Santa 
  Ynez 
  (4514). 
  Characteristic 
  of 
  this 
  hori- 
  

   zon 
  throughout 
  the 
  Coast 
  Ranges. 
  

  

  134 
  

  

  