﻿20 
  INTRODUCTION. 
  

  

  slightly 
  beyond 
  second 
  ; 
  tibia 
  as 
  long 
  as 
  or 
  

   slightly 
  shorter 
  than 
  the 
  fore 
  limb 
  

  

  15. 
  Rana 
  earner 
  ani. 
  

   Inner 
  metatarsal 
  tubercle 
  small, 
  soft, 
  oval; 
  first 
  

  

  finger 
  extending 
  beyond 
  second 
  ; 
  tibia 
  con- 
  

   siderably 
  shorter 
  than 
  the 
  fore 
  limb 
  

  

  16. 
  Bana 
  temporarla. 
  

  

  2. 
  Tibio-tarsal 
  articulation 
  reaching 
  the 
  tip 
  of 
  

   the 
  snout 
  or 
  beyond 
  ; 
  tibia 
  nearly 
  as 
  long 
  

   as 
  the 
  fore 
  limb 
  ; 
  distance 
  between 
  the 
  

   dorso-lateral 
  folds 
  contained 
  four 
  to 
  five 
  

   and 
  a 
  half 
  times 
  in 
  the 
  length 
  from 
  snout 
  

   to 
  vent. 
  

   a. 
  Tympanum 
  not 
  more 
  than 
  two-thirds 
  the 
  

   diameter 
  of 
  the 
  eye, 
  distant 
  from 
  it. 
  

   Distance 
  between 
  the 
  nostrils 
  greater 
  than 
  the 
  

   interorbital 
  wadth 
  ; 
  first 
  and 
  second 
  fingers 
  

   equal, 
  or 
  first 
  extending 
  slightly 
  beyond 
  second; 
  

   inner 
  metatarsal 
  tubercle 
  nearly 
  half 
  the 
  length 
  

   of 
  the 
  inner 
  toe, 
  as 
  long 
  as 
  the 
  diameter 
  of 
  the 
  

   tympanum 
  . 
  . 
  . 
  17. 
  Bcina 
  graeea. 
  

   Distance 
  between 
  the 
  nostrils 
  greater 
  than 
  the 
  

   interorbital 
  width 
  ; 
  first 
  and 
  second 
  fingers 
  

   equal, 
  or 
  first 
  extending 
  slightly 
  beyond 
  second 
  ; 
  

   inner 
  metatarsal 
  tubercle 
  one-third 
  the 
  length 
  

   of 
  the 
  inner 
  toe, 
  shorter 
  than 
  the 
  diameter 
  of 
  

   the 
  tympanum 
  . 
  . 
  18. 
  Bana 
  iherica. 
  

   Distance 
  between 
  the 
  nostrils 
  not 
  greater 
  than 
  

   the 
  interorbital 
  w4dth 
  ; 
  first 
  finger 
  extending 
  

   beyond 
  second 
  ; 
  inner 
  metatarsal 
  tubercle 
  one- 
  

   third 
  the 
  length 
  of 
  the 
  inner 
  toe, 
  shorter 
  than 
  

   the 
  diameter 
  of 
  the 
  tympanum 
  

  

  19. 
  Bana 
  latastii, 
  

  

  h. 
  Tympanum 
  two-thirds 
  to 
  five-sixths 
  the 
  

   diameter 
  of 
  the 
  eye, 
  and 
  close 
  to 
  it 
  ; 
  

   first 
  finger 
  extending 
  beyond 
  second 
  ; 
  

   inner 
  metatarsal 
  tubercle 
  very 
  promi- 
  

   nent, 
  but 
  moderately 
  large. 
  

  

  20. 
  Bana 
  agilis. 
  

  

  