﻿0STE01.0(.Y 
  OF 
  TESTUDO 
  PUAEEXTANS 
  — 
  GILMORE 
  

  

  309 
  

  

  above 
  coju'liision 
  is 
  verified 
  ])y 
  these 
  new 
  materials. 
  S])eeinien 
  No. 
  

   16731 
  np])enrs 
  to 
  sliow 
  the 
  seeoiitl 
  neural 
  to 
  he 
  oetagoual 
  as 
  it 
  is 
  in 
  the 
  

   South 
  Dakota 
  specimen 
  studied 
  hy 
  Hay.'' 
  

  

  The 
  slight 
  variation 
  in 
  the 
  vertehrals 
  of 
  the 
  three 
  s])eeiniens 
  dis- 
  

   cussed 
  here 
  is 
  shown 
  by 
  the 
  measurements 
  given 
  '\u 
  table 
  10. 
  

  

  Table 
  10. 
  — 
  Comparative 
  measurements 
  {in 
  millimeters) 
  of 
  veriebrals 
  o/ 
  Testudo 
  

  

  laticunea 
  

  

  Table 
  11. 
  — 
  Comparative 
  measurements 
  (in 
  millimeters) 
  of 
  epiplastral 
  beak 
  of 
  Tes- 
  

   tudo 
  quadra 
  ta 
  

  

  The 
  combination 
  of 
  characters 
  that 
  appear 
  to 
  distinguish 
  Testudo 
  

   laticunea 
  Cope 
  is 
  as 
  follows: 
  

  

  Diagnosis: 
  Carapace 
  depressed 
  with 
  truncated 
  anterior 
  border, 
  but 
  

   slightly 
  rounded 
  from 
  side 
  to 
  side 
  across 
  the 
  vertebral 
  region; 
  prom- 
  

   inent 
  epiplastral 
  lip, 
  projecting 
  beyond 
  the 
  borders 
  of 
  the 
  carapace 
  

   with 
  converging 
  sides; 
  neurals 
  less 
  diU'erentiated 
  than 
  in 
  most 
  species 
  

   of 
  the 
  genus, 
  and 
  usually 
  w^ithout 
  those 
  of 
  octagoiuil 
  form. 
  

  

  TESTUDO 
  QUADRATA 
  Cop* 
  

   PlATK 
  44, 
  FiGURK 
  1 
  

  

  Testudo 
  quadratus 
  Cope, 
  The 
  V'ertebrata 
  of 
  the 
  Tertiary 
  formations 
  of 
  the 
  West, 
  

   p. 
  704, 
  pi. 
  01, 
  fiK. 
  5, 
  1884. 
  

  

  Testudo 
  quadrata 
  Hay, 
  HiblioKraj)hy 
  ami 
  catalogue 
  of 
  the 
  fo.s.^il 
  V'ertebrata 
  of 
  

   North 
  America, 
  p. 
  451, 
  1902; 
  CarneRJe 
  Inst. 
  Washington 
  I'ubl. 
  75, 
  p. 
  410, 
  

   figs. 
  532, 
  533, 
  1908; 
  Seconrl 
  bibliography 
  and 
  catalogue 
  of 
  the 
  fossil 
  Verte- 
  

   bra 
  ta 
  of 
  North 
  America, 
  vol. 
  2, 
  p. 
  104, 
  1930. 
  

  

  A 
  third 
  species 
  of 
  7'€.s<7/(/o 
  occurring 
  in 
  the 
  Indian 
  Creek 
  Hiisin 
  area 
  

   is 
  represented 
  in 
  the 
  National 
  Museum 
  OligoccMu- 
  ((tllcction 
  by 
  an 
  

   e])iplastral 
  beak 
  (U.S.N.M. 
  No. 
  10737), 
  shown 
  in 
  ])\iiiv. 
  44, 
  figure 
  1. 
  

   This 
  specimen 
  was 
  collertcd 
  from 
  the 
  Brule, 
  aixiut 
  1 
  mihr 
  north 
  of 
  

   W 
  hitman 
  Postoflice, 
  Niobrara 
  County, 
  Wyo., 
  in 
  1942. 
  

  

  » 
  Ibid., 
  p. 
  4fH. 
  

  

  