﻿342 
  Sir 
  E. 
  Ray 
  Lankester. 
  On 
  some 
  

  

  Ant. 
  Car. 
  Car. 
  Post. 
  

  

  Car. 
  

  

  Oise. 
  VP. 
  llv. 
  

  

  Fig. 
  8. 
  

  

  Burn 
  ham. 
  llv. 
  

  

  Fig. 
  9. 
  

  

  The 
  " 
  Capitan-Oise 
  " 
  and 
  " 
  Rowell-Burnham 
  " 
  Uncinates. 
  

  

  Fig. 
  8. 
  — 
  Left 
  lateral 
  aspect 
  of 
  the 
  Capitan-Oise 
  specimen. 
  

  

  Fig. 
  9. 
  — 
  Similar 
  view 
  of 
  the 
  Rowell-Burnham 
  specimen. 
  Lettering 
  : 
  Ant, 
  anterior 
  ; 
  

   Post., 
  posterior 
  ; 
  D.P., 
  dorsal 
  plane 
  or 
  platform 
  ; 
  Car., 
  carina 
  ; 
  llv., 
  left 
  latero- 
  

   ventral 
  arrete 
  or 
  ridge 
  separating 
  the 
  left 
  lateral 
  surface 
  from 
  the 
  reduced 
  and 
  

   up-turned 
  ventral 
  plane 
  ; 
  VP., 
  the 
  obliquely 
  up- 
  thrown 
  ventral 
  plane 
  (see 
  fig. 
  12). 
  

  

  