﻿156 
  

  

  DlSCOGLOSSlDiE. 
  

  

  grouped 
  together 
  as 
  a 
  var. 
  brevlpes, 
  Blasius, 
  in 
  wliicli 
  

   we 
  notice 
  a 
  gradual 
  predominance 
  of 
  yellow 
  together 
  

   with 
  an 
  attenuation 
  in 
  its 
  intensity 
  as 
  we 
  proceed 
  from 
  

   west 
  to 
  east. 
  There 
  is 
  yet 
  a 
  third 
  form, 
  from 
  Monte- 
  

   negro, 
  with 
  which 
  I 
  am 
  only 
  acquainted 
  through 
  Schrei- 
  

   ber's 
  description, 
  and 
  which 
  perhaps 
  deserves 
  to 
  rank 
  

   as 
  a 
  variety 
  ; 
  the 
  lower 
  parts 
  are 
  black, 
  without 
  or 
  

   with 
  small 
  and 
  isolated 
  yellow 
  spots. 
  The 
  skin 
  is 
  

   described 
  as 
  comparatively 
  smooth, 
  with 
  widely 
  sepa- 
  

   rated 
  warts 
  covered 
  with 
  a 
  black 
  horny 
  layer. 
  

  

  Measurements 
  (in 
  millimetres). 
  

  

  6- 
  2 
  

  

  

  1. 
  

  

  2. 
  3. 
  

  

  4. 
  5. 
  6. 
  

  

  7. 
  

  

  8. 
  

  

  From 
  snout 
  to 
  vent 
  

  

  . 
  45 
  . 
  

  

  .44 
  ...48 
  .. 
  

  

  .46 
  ...44 
  ...45 
  . 
  

  

  ..50 
  . 
  

  

  ..42 
  

  

  Length 
  of 
  head 
  . 
  

  

  . 
  13 
  . 
  

  

  .13 
  ...14 
  .. 
  

  

  .13 
  ...13 
  ...13 
  . 
  

  

  ..14 
  . 
  

  

  ..12 
  

  

  Width 
  of 
  head 
  . 
  

  

  . 
  15 
  . 
  

  

  .15 
  ...18 
  .. 
  

  

  .15 
  ...14 
  ...14 
  . 
  

  

  ..17 
  . 
  

  

  .13 
  

  

  Diameter 
  of 
  eye 
  

  

  . 
  4 
  . 
  

  

  . 
  3-5... 
  4 
  .. 
  

  

  . 
  4 
  ... 
  35... 
  35. 
  

  

  .. 
  4 
  . 
  

  

  .. 
  3 
  

  

  Interorbital 
  width 
  

  

  2 
  

  

  . 
  2 
  ... 
  25.. 
  

  

  . 
  2-5... 
  2 
  ... 
  2 
  . 
  

  

  .. 
  3 
  . 
  

  

  .. 
  2 
  

  

  From 
  eye 
  to 
  nostril 
  

  

  '. 
  2-5." 
  

  

  . 
  2-5... 
  2-5.. 
  

  

  . 
  3 
  ... 
  2-5... 
  2-5. 
  

  

  .. 
  2-5. 
  

  

  .. 
  2-5 
  

  

  „ 
  „ 
  end 
  of 
  snout 
  6 
  . 
  

  

  .5 
  ... 
  6 
  .. 
  

  

  .6 
  ... 
  5 
  ... 
  6 
  . 
  

  

  .. 
  6 
  . 
  

  

  .. 
  5 
  

  

  Fore 
  limb 
  

  

  . 
  23 
  . 
  

  

  .22 
  ...25 
  .. 
  

  

  .23 
  ...19 
  ...20 
  . 
  

  

  ..23 
  . 
  

  

  ..19 
  

  

  Hind 
  limb 
  

  

  . 
  51 
  . 
  

  

  .50 
  ...57 
  .. 
  

  

  .52 
  ...46 
  ...51 
  . 
  

  

  ..53 
  . 
  

  

  ..46 
  

  

  Tibia 
  

  

  . 
  16 
  . 
  

  

  ..15 
  ...17 
  .. 
  

  

  .16 
  ...14 
  ...15 
  . 
  

  

  ..17 
  . 
  

  

  .14 
  

  

  Foot 
  

  

  . 
  16 
  . 
  

  

  .15 
  ...17 
  .. 
  

  

  .16 
  ...14 
  ...15 
  . 
  

  

  ..17 
  . 
  

  

  .14 
  

  

  1,5. 
  

  

  Mondorf, 
  

  

  Luxemburg 
  

  

  : 
  Boulenger. 
  

  

  

  

  2,6. 
  

  

  Marcellis 
  

  

  e, 
  Prov. 
  Ver 
  

  

  ona 
  : 
  De 
  Betta. 
  

  

  

  

  3. 
  S. 
  San 
  Bruno, 
  Calabria 
  : 
  Giglioli. 
  

   4, 
  8. 
  Parnassos 
  : 
  Kriiper. 
  

  

  7. 
  Ai-soli, 
  Rome 
  : 
  Vinciguerra. 
  

  

  Skeleton. 
  — 
  The 
  osteological 
  differences 
  between 
  

   this 
  and 
  the 
  preceding 
  species 
  are 
  very 
  slight 
  indeed. 
  

   The 
  most 
  constant 
  is 
  found 
  in 
  the 
  length 
  of 
  the 
  tibia, 
  

   which 
  equals 
  that 
  of 
  the 
  femur. 
  The 
  sacral 
  diapo- 
  

   physes 
  are 
  usually 
  not 
  quite 
  so 
  strougly 
  dilated, 
  and 
  

   the 
  bones 
  are 
  nearly 
  white 
  instead 
  of 
  yellow 
  as 
  usual 
  

   in 
  the 
  allied 
  species. 
  

  

  As 
  has 
  been 
  shown 
  by 
  Goette, 
  whose 
  great 
  work 
  

   ' 
  Entwickelungsgeschichte 
  der 
  Unke' 
  deals 
  with 
  this 
  

   species, 
  by 
  Camerano 
  (' 
  Atti 
  Ace. 
  Torin.,' 
  xv, 
  1880, 
  

   p. 
  445) 
  and 
  by 
  Sasserno 
  (op. 
  cit., 
  xxiv, 
  1889, 
  p. 
  703), 
  

   there 
  often 
  occur 
  curious 
  individual 
  anomalies 
  in 
  the 
  

   posterior 
  vertebra, 
  which 
  may 
  result 
  in 
  asymmetry 
  of 
  

  

  