﻿168 
  

  

  DISCOGLOSSID^. 
  

  

  a 
  little 
  forwards 
  ; 
  tbe 
  second 
  the 
  longest, 
  nearly 
  hori- 
  

   zontal 
  ; 
  the 
  third 
  intermediate 
  in 
  length 
  between 
  the 
  

   other 
  two, 
  and 
  horizontal 
  or 
  directed 
  slightly 
  back- 
  

   wards 
  ; 
  the 
  fonrtli 
  or 
  fourth 
  and 
  fifth 
  diapophjses 
  

   nearly 
  horizontal, 
  the 
  sixth 
  and 
  seventh, 
  sometimes 
  

   also 
  the 
  fifth, 
  directed 
  forwards. 
  Diapophyses 
  of 
  the 
  

   sacral 
  vertebra 
  triangular, 
  their 
  distal 
  diameter 
  equal- 
  

   ling 
  or 
  slightly 
  exceeding 
  their 
  length 
  ; 
  two 
  condyles 
  

   for 
  articulation 
  with 
  the 
  urostyle. 
  Latter 
  nearly 
  as 
  

   long 
  as 
  or 
  a 
  little 
  shorter 
  than 
  the 
  eight 
  anterior 
  

   vertebrae 
  taken 
  together, 
  with 
  a 
  rather 
  strong, 
  curved 
  

   or 
  posteriorly 
  hooked 
  transverse 
  process 
  at 
  the 
  base. 
  

  

  Praecoracoids 
  slender, 
  curved, 
  meeting 
  at 
  an 
  acute 
  

   angle, 
  entering 
  the 
  glenoid 
  cavity 
  ; 
  coracoids 
  stronger, 
  

   nearly 
  straight; 
  supra-scapula 
  ossified; 
  omosternum 
  

   absent; 
  cartilao^inous 
  sternum 
  with 
  two 
  feeblv 
  calci- 
  

   fied 
  posteriorly 
  diverging 
  styles. 
  Carpus 
  w^ith 
  eight 
  

   elements, 
  two 
  of 
  which 
  are 
  in 
  contact 
  with 
  radius- 
  

   ulna 
  ; 
  a 
  single 
  bone 
  in 
  the 
  pollex. 
  

  

  Pelvis 
  three-fifths 
  to 
  two-thirds 
  the 
  length 
  of 
  the 
  

   vertebral 
  column 
  ; 
  pubis 
  cartilaginous 
  ; 
  acetabulum 
  

   open. 
  Femur 
  and 
  tibia 
  equal 
  in 
  length, 
  the 
  former 
  

   strongly 
  curved 
  ; 
  astragalus 
  nearly 
  two-thirds 
  the 
  

   length 
  of 
  the 
  tibia 
  ; 
  three 
  small 
  cartilaginous 
  tarsalia 
  ; 
  

   one 
  cartilaginous 
  element 
  to 
  the 
  praehallux. 
  Distal 
  

   phalanges 
  obtuse, 
  slightly 
  expanded 
  at 
  the 
  apex. 
  

  

  Measueemi^^nts 
  of 
  Skkleton 
  (in 
  millimetres) 
  

  

  

  

  F. 
  

  

  tijinca. 
  

  

  Var. 
  

  

  boscse. 
  

  

  

  T 
  

  

  

  ? 
  

  

  

  ? 
  

  

  Length 
  of 
  skull 
  

  

  13 
  

  

  

  14 
  

  

  12 
  

  

  ... 
  13 
  

  

  V^idth 
  of 
  skull 
  

  

  . 
  16 
  

  

  

  17 
  

  

  14 
  

  

  ... 
  16 
  

  

  Least 
  interorbital 
  widtli 
  

  

  4 
  

  

  

  4 
  

  

  3-5 
  

  

  ... 
  3-5 
  

  

  Dorsal 
  vertebral 
  column 
  

  

  13 
  

  

  

  15 
  

  

  11 
  

  

  ... 
  12 
  

  

  Urostyle 
  

  

  12 
  

  

  

  12 
  

  

  11 
  

  

  ... 
  13 
  

  

  Humerus 
  

  

  

  10 
  

  

  

  10 
  

  

  9 
  

  

  ... 
  10 
  

  

  Radius-ulna 
  

  

  

  7 
  

  

  

  7 
  

  

  6 
  

  

  ... 
  7 
  

  

  Manus 
  

  

  

  12 
  

  

  

  11 
  

  

  10 
  

  

  ... 
  1] 
  

  

  Pelvis 
  . 
  . 
  

  

  

  16 
  

  

  

  18 
  

  

  16 
  

  

  ... 
  18 
  

  

  Femur 
  

  

  

  15 
  

  

  

  15 
  

  

  13 
  

  

  ... 
  15 
  

  

  Tibia 
  

  

  

  15 
  

  

  

  15 
  

  

  13 
  

  

  ... 
  15 
  

  

  Tarsus 
  

  

  

  10 
  

  

  

  10 
  

  

  8 
  

  

  ... 
  10 
  

  

  Pes 
  

  

  

  17 
  

  

  

  16 
  

  

  13 
  

  

  ... 
  15 
  

  

  