﻿306 
  On 
  Reptiles 
  and 
  Batrachians 
  from 
  Morocco. 
  

  

  the 
  prefrontals 
  ; 
  frontal 
  a 
  little 
  longer 
  than 
  its 
  distance 
  from 
  

   the 
  end 
  of 
  the 
  snout, 
  a 
  little 
  shorter 
  than 
  the 
  parietals 
  ; 
  loreal 
  

   longer 
  than 
  deep 
  ; 
  a 
  single 
  prasocular 
  ; 
  two 
  postoculars 
  ; 
  

   temporals 
  2 
  + 
  3 
  ; 
  eight 
  upper 
  labials, 
  fourth 
  and 
  fifth 
  entering 
  

   the 
  eye 
  ; 
  four 
  lower 
  labials 
  in 
  contact 
  with 
  the 
  anterior 
  chin- 
  

   shields 
  ; 
  posterior 
  chin-shields 
  three 
  fourths 
  the 
  length 
  of 
  the 
  

   anterior. 
  Scales 
  in 
  21 
  rows. 
  Yentrals 
  190-193; 
  anal 
  

   divided 
  ; 
  subcaudals 
  63-64. 
  Grey-brown 
  above, 
  with 
  

   reddish-brown 
  spots 
  and 
  four 
  rather 
  indistinct 
  dark 
  longitu- 
  

   dinal 
  bands 
  ; 
  vertebral 
  region 
  light 
  ; 
  a 
  pair 
  of 
  elongate 
  dark 
  

   brown 
  spots 
  on 
  the 
  nape 
  ; 
  a 
  black 
  streak 
  on 
  each 
  side 
  of 
  

   the 
  head, 
  from 
  the 
  nostril, 
  through 
  the 
  eye, 
  to 
  the 
  angle 
  of 
  

   the 
  mouth 
  ; 
  a 
  dark 
  cross 
  band 
  between 
  the 
  eyes, 
  crossing 
  the 
  

   prefrontals 
  ; 
  a 
  black 
  line 
  below 
  the 
  eye, 
  on 
  the 
  suture 
  between 
  

   the 
  fourth 
  and 
  fifth 
  upper 
  labials. 
  Lower 
  surfaces 
  coral-red, 
  

   with 
  quadrangular 
  black 
  spots. 
  

  

  Total 
  length 
  39 
  centim. 
  ; 
  tail 
  72. 
  

  

  This 
  species 
  is 
  intermediate 
  between 
  G. 
  austriaca 
  and 
  C. 
  

   (jirondica, 
  agreeing 
  with 
  the 
  former 
  in 
  the 
  size 
  and 
  shape 
  of 
  

   the 
  rostral 
  shield, 
  with 
  the 
  latter 
  in 
  the 
  number 
  of 
  upper 
  

   labials, 
  the 
  scaling 
  of 
  the 
  body, 
  and 
  the 
  coloration 
  of 
  the 
  

   lower 
  parts. 
  

  

  13. 
  Tropidonotus 
  viperinits, 
  Daud. 
  

  

  14. 
  Zamenis 
  Mppocrepis, 
  Men*. 
  

  

  15. 
  Coelopeltis 
  lacertina 
  } 
  Wagl. 
  

  

  J 
  6. 
  Psammophylax 
  cucullatus 
  } 
  Geoffr. 
  

  

  A 
  single 
  specimen, 
  with 
  21 
  rows 
  of 
  scales, 
  173 
  ventrals, 
  

   and 
  49 
  subcaudals. 
  Belly 
  with 
  small 
  black 
  spots. 
  

  

  C 
  H 
  E 
  L 
  N 
  I 
  A. 
  

  

  17. 
  Chmmys 
  leprosa, 
  Schw. 
  

  

  BATRACHIA. 
  

  

  ECAUDATA. 
  

   1. 
  Rana 
  esculenta, 
  var. 
  ridibunda, 
  Pall. 
  

  

  Entirely 
  agrees 
  with 
  the 
  Spanish 
  and 
  Portuguese 
  frog, 
  

   which 
  I 
  likewise 
  refer 
  to 
  R. 
  ridibunda. 
  

  

  The 
  following 
  are 
  measurements 
  of 
  four 
  female 
  specimens 
  

   from 
  Tangier 
  : 
  — 
  

  

  