﻿340 
  RANID^tf. 
  

  

  crest 
  very 
  convex, 
  deeper 
  than 
  tlie 
  lower, 
  and 
  ex- 
  

   tending 
  upon 
  the 
  back 
  as 
  far 
  as 
  the 
  level 
  of 
  the 
  

   spiraculuin. 
  

  

  Beak 
  broadly 
  edged 
  with 
  black, 
  usually 
  with 
  a 
  

   black 
  tubercle 
  or 
  knob 
  in 
  the 
  middle 
  of 
  the 
  basal 
  part 
  

   of 
  the 
  upper 
  mandible, 
  which 
  may 
  be 
  accompanied 
  

   by 
  a 
  smaller 
  one 
  on 
  each 
  side. 
  Usually 
  two 
  series 
  of 
  

   papilke 
  bordering 
  the 
  lower 
  lip. 
  Labial 
  teeth 
  in 
  

   f 
  series, 
  the 
  second 
  and 
  third 
  upper 
  short 
  and 
  widely 
  

   separated 
  in 
  the 
  middle, 
  the 
  first 
  lower 
  short, 
  the 
  

   three 
  others 
  nearly 
  twice 
  as 
  long 
  and 
  uninterrupted, 
  

   or 
  the 
  fourth 
  very 
  narrowly 
  interrupted 
  in 
  the 
  middle. 
  

   Very 
  distinct 
  lines 
  of 
  crypts 
  on 
  the 
  head 
  and 
  body. 
  

   One 
  of 
  these 
  forms 
  a 
  hoop, 
  the 
  ends 
  of 
  which 
  approach 
  

   on 
  the 
  upper 
  lip, 
  passing 
  above 
  the 
  nostril 
  and 
  bor- 
  

   dering 
  the 
  eye 
  above 
  and 
  below 
  ; 
  another 
  begins 
  

   behind 
  the 
  eye 
  and 
  bifurcates, 
  the 
  upper 
  branch 
  

   extending 
  to 
  the 
  upper 
  caudal 
  crest, 
  the 
  lower 
  to 
  the 
  

   middle 
  of 
  the 
  muscular 
  portion 
  of 
  the 
  tail 
  ; 
  a 
  small 
  

   branch 
  may 
  descend 
  on 
  each 
  side 
  at 
  a 
  short 
  distance 
  

   behind 
  the 
  eye, 
  forming 
  a 
  sigmoid 
  curve 
  ; 
  another 
  

   curved 
  line 
  on 
  each 
  side, 
  bordering 
  the 
  spiraculum 
  

   above 
  (see 
  Fig. 
  46, 
  p. 
  104). 
  

  

  Pale 
  brown 
  or 
  rufous 
  above, 
  with 
  dark 
  brown 
  

   spots; 
  sides 
  with 
  roundish 
  golden 
  spots 
  between 
  a 
  

   brown 
  or 
  reddish 
  network 
  ; 
  belly 
  white, 
  with 
  pale 
  

   golden 
  or 
  mother-of-pearl 
  spots 
  ; 
  throat 
  pink 
  ; 
  mus- 
  

   cular 
  portion 
  of 
  tail 
  pale 
  brown 
  or 
  yellowish, 
  with 
  

   small 
  brown 
  or 
  grey 
  spots 
  ; 
  caudal 
  crests 
  greyish- 
  

   white, 
  with 
  white 
  and 
  small 
  greyish-brown 
  spots, 
  

   which 
  are 
  scarcer 
  on 
  the 
  lower 
  crest 
  ; 
  usually 
  a 
  few 
  

   deep 
  black 
  spots 
  on 
  the 
  upper 
  edge 
  of 
  the 
  upper 
  

   crest. 
  

  

  Total 
  length, 
  50 
  mm. 
  ; 
  body, 
  18 
  ; 
  width 
  of 
  body, 
  12 
  ; 
  

   tail, 
  41 
  ; 
  depth 
  of 
  tail, 
  15. 
  

  

  Habitat. 
  — 
  Bana 
  agilis 
  inhabits 
  the 
  greater 
  part 
  of 
  

   France, 
  from 
  the 
  north 
  coast 
  of 
  Brittany, 
  Normandy, 
  

   and 
  Paris 
  to 
  the 
  foot 
  of 
  the 
  Pyrenees 
  and 
  the 
  Medi- 
  

   terranean 
  littoral, 
  but 
  appears 
  to 
  be 
  absent 
  from 
  the 
  

  

  