﻿200 
  

  

  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  

  

  1 
  Estimates 
  

  

  NOTE 
  ON 
  DISEASED 
  CROCODILE 
  VERTEBRAE 
  

  

  Plate 
  16 
  

  

  A 
  second 
  crocodile 
  specimen, 
  U.S.N.M. 
  No. 
  12990, 
  from 
  the 
  

   Bridger, 
  Eocene, 
  consisting 
  of 
  the 
  greater 
  portion 
  of 
  a 
  skeleton, 
  

   shows 
  a 
  pathologic 
  condition 
  of 
  two 
  dorsal 
  vertebrae 
  that 
  is 
  almost 
  

   identical 
  with 
  the 
  lesion 
  described 
  by 
  Moodie 
  ^ 
  on 
  the 
  caudal 
  verte- 
  

   brae 
  of 
  a 
  sauropodoiis 
  dinosaur 
  from 
  the 
  Jurassic. 
  

  

  It 
  is 
  a 
  spongy 
  growth 
  that 
  surrounds 
  the 
  intervertebral 
  articular 
  

   surfaces 
  extending 
  well 
  outward 
  on 
  the 
  sides 
  of 
  both 
  centra 
  (see 
  

  

  5 
  Moodie, 
  Roy 
  L., 
  Amer. 
  Journ. 
  Sei., 
  vol. 
  41, 
  pp. 
  530-531. 
  19IP. 
  

  

  