﻿6 
  INTRODUCTION. 
  

  

  the 
  former 
  aiitlior's 
  so 
  far 
  as 
  the 
  grouping 
  of 
  the 
  

   European 
  genera 
  is 
  concerned. 
  

  

  7. 
  Lataste, 
  1879. 
  

  

  L^VOGTEINID^ 
  S. 
  'PR0C(EIjIT>JE 
  : 
  

  

  Yertebrse 
  procoelous 
  ; 
  tadpole 
  with" 
  

   sinistral 
  spiraculum. 
  

  

  ^Ranidee 
  . 
  Rana. 
  

   Hylidse 
  . 
  Hyla. 
  

  

  Bufonidse 
  . 
  Bufo. 
  

  

  (Pelohates. 
  

  

  Pelohatidee 
  [p.i^^yt,,^ 
  

  

  Mediogyrinid^ 
  s. 
  Opisthoccelid^ 
  : 
  (j.. 
  J 
  .-, 
  C 
  Discoglossus. 
  

   Yertebrae 
  opisthocoelous 
  ; 
  tadpole 
  j 
  ^^^^^^''°^^'^^^\Bomhinator. 
  

   with 
  medial 
  spiraculum. 
  \.Alytidse 
  . 
  Alytes. 
  

  

  The 
  AlytiddQ 
  are 
  separated 
  from 
  the 
  Discoglossidx 
  

   on 
  account 
  of 
  the 
  shape 
  of 
  the 
  pupil 
  and 
  the 
  aberrant 
  

   mode 
  of 
  parturition 
  and 
  development. 
  

  

  The 
  classification 
  adopted 
  in 
  this 
  work 
  is 
  shown 
  in 
  

   the 
  following 
  synopsis, 
  which 
  also 
  includes 
  a 
  list 
  of 
  

   all 
  the 
  species 
  represented 
  in 
  Europe. 
  

  

  Order 
  ECAUDATA. 
  

  

  Sub-order 
  Phaneeoglossa. 
  

   Eustachian 
  tubes 
  separated 
  ; 
  tongue 
  present. 
  

  

  Series 
  A. 
  — 
  Arcifera. 
  

  

  Coracoids 
  and 
  praecoracoids 
  connected 
  bj 
  an 
  arched 
  

   cartilage 
  (the 
  epicoracoid), 
  that 
  of 
  the 
  one 
  side 
  over- 
  

   lapping 
  that 
  of 
  the 
  other. 
  

  

  Family 
  1. 
  — 
  DiscoGLOSsiDiE. 
  

  

  Vertebrae 
  opisthocoelous; 
  short 
  autogenous 
  ribs 
  

   attached 
  to 
  the 
  anterior 
  diapophjses 
  ; 
  diapophyses 
  

   of 
  sacral 
  vertebra 
  dilated 
  ; 
  upper 
  jaw 
  toothed. 
  

  

  