﻿RANA. 
  

  

  289 
  

  

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

   snout 
  as 
  long 
  as 
  or 
  slightly 
  shorter 
  than 
  the 
  diameter 
  

  

  Fig. 
  103. 
  

  

  Upper 
  views 
  of 
  heads. 
  

  

  of 
  the 
  orbit, 
  usually 
  more 
  or 
  less 
  acuminate 
  and 
  

   strongly 
  projecting 
  beyond 
  the 
  month, 
  sometimes 
  

   rounded 
  and 
  blunt, 
  as 
  shown 
  by 
  the 
  above 
  figures 
  

   representing 
  the 
  two 
  extremes 
  ; 
  canthus 
  rostralis 
  dis- 
  

   tinct 
  ; 
  loreal 
  region 
  feebly 
  oblique, 
  grooved 
  ; 
  nostril 
  

   equally 
  distant 
  from 
  the 
  eye 
  and 
  the 
  end 
  of 
  the 
  snout, 
  

   or 
  a 
  little 
  nearer 
  the 
  former; 
  interorbital 
  space 
  narrow, 
  

   measuring; 
  one-half 
  to 
  two-thirds 
  the 
  width 
  of 
  the 
  

   upper 
  eyelid, 
  narrower 
  than 
  the 
  space 
  between 
  the 
  

   nostrils; 
  tympanum 
  very 
  distinct, 
  distant 
  from 
  the 
  eye 
  

   and 
  measuring 
  one-half 
  to 
  two-thirds 
  its 
  diameter. 
  

  

  Fingers 
  obtuse, 
  first 
  extending 
  beyond 
  second 
  ; 
  

   subarticular 
  tubercles 
  moderate. 
  

  

  The 
  tibio- 
  tarsal 
  articulation 
  reaches 
  the 
  eye 
  or 
  the 
  

   nostril, 
  rarely 
  as 
  far 
  as 
  the 
  tip 
  of 
  the 
  snout; 
  tibia 
  

  

  Fm. 
  104. 
  

  

  Lower 
  views 
  of 
  feet, 
  male 
  and 
  female. 
  

  

  shorter 
  than 
  the 
  fore 
  limb, 
  a 
  little 
  longer 
  than 
  the 
  

   femur, 
  as 
  long 
  as 
  or 
  a 
  little 
  shorter 
  than 
  the 
  foot; 
  

  

  u 
  

  

  