﻿20 
  Mr. 
  G. 
  A. 
  Boulenger 
  on 
  new 
  Beptiles 
  

  

  of 
  the 
  supraorbital 
  semicircles 
  strongly 
  enlarged, 
  in 
  contact 
  

   with 
  each 
  other 
  on 
  the 
  median 
  line 
  and 
  with 
  the 
  occipital 
  ; 
  

   several 
  enlarged, 
  keeled, 
  supraocular 
  scales, 
  in 
  contact 
  with 
  the 
  

   supraorbitals, 
  or 
  separated 
  from 
  them 
  by 
  a 
  series 
  of 
  granules; 
  

   occipital 
  as 
  large 
  as 
  the 
  ear-opening 
  ; 
  canthus 
  rostralis 
  

   angular, 
  central 
  scales 
  five 
  or 
  six; 
  loreal 
  rows 
  five 
  or 
  six; 
  

   six 
  to 
  eight 
  upper 
  labials 
  to 
  below 
  the 
  centre 
  of 
  the 
  eye 
  ; 
  

   ear-opening 
  laige, 
  oval. 
  Body 
  scarcely 
  compressed 
  ; 
  no 
  

   crest. 
  Dorsal 
  scales 
  very 
  small, 
  juxtaposed, 
  keeled, 
  scales 
  of 
  

   flanks 
  smaller 
  still, 
  granular; 
  ventrals 
  much 
  larger 
  than 
  

   dorsals, 
  smooth. 
  The 
  adpr.essed 
  hind 
  limb 
  reaches 
  the 
  eye, 
  

   or 
  between 
  the 
  ear 
  and 
  the 
  eye; 
  digits 
  rather 
  feebly 
  dilated 
  ; 
  

   18 
  or 
  19 
  lamella? 
  under 
  phalanges 
  II 
  and 
  III 
  of 
  the 
  fourth 
  

   toe. 
  Tail 
  roundish, 
  covered 
  with 
  uniform 
  keeled 
  scales, 
  

   which 
  are 
  larger 
  beneath. 
  Greyish 
  or 
  olive, 
  with 
  six 
  or 
  

   seven 
  angular 
  dark 
  cross-bars 
  on 
  the 
  back, 
  the 
  chevrons 
  

   pointing 
  forwards, 
  or 
  with 
  a 
  broad 
  yellow 
  or 
  orange 
  vertebral 
  

   stripe; 
  limbs 
  with 
  dark 
  cross-bars; 
  yellowish 
  white 
  beneath, 
  

   with 
  scattered 
  greyish 
  spots, 
  usually 
  more 
  numerous 
  on 
  the 
  

   throat. 
  

  

  mm. 
  

  

  Total 
  length 
  230 
  

  

  Head 
  18 
  

  

  Width 
  of 
  head 
  9 
  

  

  Body 
  50 
  

  

  Fore 
  limb 
  29 
  

  

  Hind 
  limb 
  50 
  

  

  Tibia 
  16 
  

  

  Tail 
  162 
  

  

  Four 
  female 
  specimens 
  from 
  Huancabamba, 
  E. 
  Peru, 
  

   above 
  3000 
  feet, 
  collected 
  by 
  Mr, 
  Enrique 
  Boettger. 
  

  

  Distinguished 
  from 
  its 
  allies 
  A. 
  ortonii, 
  Cope, 
  and 
  scapu- 
  

   lart's, 
  Blgr., 
  in 
  the 
  occipital 
  plate 
  being 
  in 
  contact 
  with 
  the 
  

   enlarged 
  scales 
  of 
  the 
  supraorbital 
  semicircles. 
  

  

  Anolis 
  ventrimaculatus. 
  

  

  Head 
  twice 
  as 
  long 
  as 
  broad, 
  as 
  long 
  as 
  the 
  tibia 
  ; 
  fore- 
  

   head 
  deeply 
  concave 
  ; 
  no 
  frontal 
  ridges 
  ; 
  upper 
  head-scales 
  

   small 
  and 
  keeled; 
  scales 
  of 
  the 
  supraorbital 
  semicircles 
  feebly 
  

   enlarged, 
  separated 
  in 
  the 
  middle 
  by 
  four 
  series 
  of 
  scales 
  ; 
  

   no 
  enlarged 
  supraocular 
  scales 
  ; 
  occipital 
  very 
  small; 
  canthus 
  

   rostralis 
  angular, 
  canthal 
  scales 
  six 
  ; 
  loreal 
  rows 
  eight; 
  seven 
  

   upper 
  labials 
  to 
  below 
  the 
  centre 
  of 
  the 
  eye 
  ; 
  ear-opening 
  

   large, 
  oval. 
  Body 
  feebly 
  compressed 
  ; 
  no 
  crest. 
  Dorsal 
  

   scales 
  minutely 
  granular, 
  keeled, 
  scarcely 
  larger 
  than 
  the 
  

   laterals; 
  ventrals 
  much 
  larger, 
  juxtaposed, 
  smooth. 
  The 
  

  

  