﻿EANA. 
  

  

  267 
  

  

  Head 
  as 
  long 
  as 
  broad 
  or 
  a 
  little 
  broader 
  than 
  long; 
  

   snout 
  rounded 
  or 
  obtusely 
  pointed, 
  projecting 
  beyond 
  

   the 
  mouth, 
  as 
  long 
  as 
  or 
  a 
  little 
  

   longer 
  than 
  the 
  diameter 
  of 
  the 
  Fig. 
  97. 
  

  

  orbit 
  ; 
  canthus 
  rostralis 
  obtuse 
  ; 
  

   loreal 
  region 
  very 
  oblique; 
  nostril 
  

   equally 
  distant 
  from 
  the 
  eye 
  and 
  

   the 
  tip 
  of 
  the 
  snout 
  or 
  nearer 
  the 
  

   former 
  ; 
  interorbital 
  space 
  narrow, 
  

   one-third 
  to 
  one-half 
  the 
  width 
  of 
  

   the 
  upper 
  eyelid, 
  narrower 
  than 
  

   the 
  space 
  between 
  the 
  nostrils, 
  

   and 
  often 
  distinctly 
  grooved 
  lon- 
  

   gitudinally 
  ; 
  tympanum 
  very 
  dis- 
  

   tinct, 
  one-half 
  to 
  three-fourths 
  Open 
  mouth, 
  

   the 
  diameter 
  of 
  the 
  eye. 
  

  

  Fingers 
  obtusely 
  pointed, 
  first 
  a 
  little 
  longer 
  than 
  

   second 
  ; 
  subarticular 
  tubercles 
  small, 
  moderately 
  

   prominent. 
  

  

  Fig. 
  98. 
  

  

  Upper 
  views 
  of 
  heads 
  of 
  German 
  specimens 
  (var. 
  ridibunda). 
  

   [From 
  P. 
  Z. 
  S„ 
  1885.] 
  

  

  