﻿SKELETON. 
  47 
  

  

  bridge 
  over 
  the 
  prootic 
  ; 
  ethmoid 
  not 
  

   reaching 
  prsDmaxillaries 
  . 
  P. 
  cultriijes. 
  

   2. 
  Vertebrae 
  notched 
  between 
  the 
  zjgapo- 
  

   physes 
  ; 
  diapophyses 
  of 
  sacral 
  vertebra 
  

   moderately^ 
  dilated 
  ; 
  sternum 
  cartilagi- 
  

   nous 
  \ 
  prsBCoracoid 
  entering 
  the 
  glenoid 
  

   ca^vity; 
  six 
  bones 
  in 
  carpus, 
  three 
  in 
  distal 
  

   tarsal 
  row 
  ; 
  long 
  bones 
  with 
  calcified 
  epi- 
  

   physes. 
  

   a. 
  Distal 
  phalanges 
  obtuse 
  ; 
  three 
  carpal 
  

   bones 
  in 
  contact 
  with 
  radius-ulna; 
  omo- 
  

   sternum 
  absent 
  (BQFONiDiR) 
  . 
  Bufo. 
  

   No 
  fronto-parietal 
  fontanelle 
  ; 
  urostyle 
  longer 
  

   than 
  the 
  skull 
  ...... 
  5. 
  vulgaris. 
  

  

  A 
  small 
  fronto-parietal 
  fontanelle, 
  disappearing 
  

  

  in 
  old 
  specimens 
  ; 
  urostyle 
  slightly 
  longer 
  

  

  than 
  the 
  skull 
  ...,,. 
  B. 
  viridis. 
  

  

  A 
  large 
  fronto-parietal 
  fontanelle 
  ; 
  urostyle 
  as 
  

  

  long 
  as 
  the 
  skull 
  B. 
  calamita. 
  

  

  h. 
  Distal 
  phalanges 
  claw-shaped; 
  two 
  carpal 
  

   bones 
  in 
  contact 
  with 
  radius-ulna; 
  omo- 
  

   sternum 
  cartilaginous 
  (Htlid^) 
  . 
  Hyla. 
  

  

  II. 
  Praecoracoid 
  straight; 
  no 
  arched 
  epicoracoid 
  

   cartilage 
  (Firmisteenia). 
  

   Yertebrge 
  procoelous, 
  notched 
  between 
  the 
  zyga- 
  

   pophyses 
  ; 
  no 
  autogenous 
  ribs 
  ; 
  diapophyses 
  

   of 
  sacral 
  vertebra 
  cylindrical 
  ; 
  omosternum 
  

   and 
  sternum 
  with 
  a 
  bony 
  style 
  ; 
  six 
  bones 
  in 
  

   carpus, 
  two 
  in 
  contact 
  with 
  radius-ulna 
  ; 
  three 
  

   distal 
  tarsal 
  bones 
  ; 
  long 
  bones 
  with 
  calcifi.ed 
  

   epiphyses 
  (RANiDiE) 
  Eana. 
  

  

  A. 
  Zygomatic 
  branch 
  of 
  squamosal 
  very 
  long, 
  

  

  nearly 
  twice 
  as 
  long 
  as 
  the 
  posterior 
  ; 
  fronto- 
  

   parietals 
  very 
  narrow, 
  grooved 
  ; 
  second 
  

   diapophysis 
  not 
  once 
  and 
  a 
  half 
  as 
  long 
  as 
  

   the 
  seventh 
  R. 
  escidenfa. 
  

  

  B. 
  Zygomatic 
  branch 
  of 
  squamosal 
  a 
  little 
  longer 
  

  

  or 
  a 
  little 
  shorter 
  than 
  the 
  posterior 
  ; 
  second 
  

  

  