﻿PLATE 
  XXIV. 
  

  

  Fernando 
  (Pliocene) 
  Fossils. 
  

  

  (Unless 
  otherwise 
  indieated 
  all 
  figures 
  are 
  natural 
  size. 
  I 
  

  

  Fig. 
  1. 
  Crepidula 
  princeps 
  Conrad. 
  U.S.N.M. 
  165268. 
  Longitude 
  76 
  mm. 
  Side 
  

   view. 
  Waldorf 
  asphalt 
  mine 
  (4473). 
  Known 
  only 
  in 
  the 
  fossil 
  si 
  ale, 
  

   and 
  found 
  in 
  Santa 
  Barbara 
  County 
  only 
  in 
  the 
  Fernando 
  formation, 
  

   although 
  it 
  is 
  known 
  from 
  the 
  lower 
  Miocene 
  farther 
  north. 
  

  

  Fir.. 
  2. 
  Crepidula 
  princeps 
  Conrad. 
  U.S.N.M. 
  165315. 
  Longitude 
  106 
  mm. 
  View 
  of 
  

   interior, 
  showing 
  deck. 
  Packards 
  Hill, 
  Santa 
  Barbara. 
  

  

  Fig. 
  3. 
  Astyris 
  richthofeni 
  Gabb. 
  U.S.N.M. 
  165266. 
  Altitude 
  14 
  mm. 
  Aperture 
  

   view, 
  X 
  2. 
  Waldorf 
  asphalt 
  mine 
  (4473). 
  So 
  far 
  known 
  only 
  as 
  fossil. 
  

  

  Fig. 
  4. 
  Nassa 
  californiana 
  Conrad. 
  U.S.N.M. 
  165304. 
  Altitude 
  30 
  mm. 
  Aperture 
  

   view. 
  Graciosa 
  Ridge, 
  near 
  Orcutt 
  (4477). 
  Characteristic 
  of 
  this 
  

   horizon 
  in 
  the 
  Santa 
  Maria 
  district. 
  

  

  Fig. 
  5. 
  Area 
  trilineata 
  Conrad. 
  U.S.N.M. 
  165301. 
  Left 
  valve; 
  longitude 
  46 
  mm. 
  

   View 
  of 
  exterior. 
  Fugler 
  Point 
  asphalt 
  mine, 
  near 
  Gary 
  (4475). 
  Com- 
  

   mon 
  in 
  the 
  Fernando 
  and 
  equivalent 
  formations 
  and 
  also 
  found 
  in 
  the 
  

   Monterey. 
  

  

  Fig. 
  6. 
  Echinarachnius 
  ashleyi 
  Merriam. 
  U.S.N.M. 
  165259. 
  Maximum 
  diameter 
  69 
  

   mm. 
  View 
  from 
  above. 
  Graciosa 
  Ridge, 
  near 
  Orcutt 
  (4469). 
  

  

  Fig. 
  7. 
  Echinarachnius 
  ashleyi 
  Merriam. 
  U.S.N.M. 
  165259. 
  Maximum 
  diameter 
  47 
  

   mm. 
  View 
  from 
  below. 
  Same 
  locality 
  as 
  fig. 
  6. 
  

  

  Fig. 
  8. 
  Echinarachnius 
  excentricus 
  Eschscholtz 
  var. 
  U.S.N.M 
  165285. 
  Maximum 
  

   diameter 
  41 
  mm. 
  View 
  of 
  top. 
  One 
  mile 
  north 
  of 
  Schumann 
  (4474). 
  

   This 
  variety 
  is 
  probably 
  characteristic 
  of 
  this 
  horizon. 
  

  

  150 
  

  

  