﻿On 
  Earthworms 
  from 
  Henderson 
  Island. 
  255 
  

  

  The 
  remaining 
  figures 
  are 
  fascimiles 
  of 
  those 
  by 
  T. 
  Austin. 
  The 
  

   following 
  legend 
  is 
  also 
  copied 
  from 
  Austin's 
  MS., 
  except 
  for 
  words 
  

   within 
  [ 
  ], 
  and 
  except 
  that, 
  for 
  the 
  reasons 
  given 
  in 
  the 
  text, 
  the 
  names 
  

   cUiusus 
  and 
  Jacksoni 
  have 
  been 
  transposed: 
  — 
  

  

  Fig. 
  2. 
  Sycocrinus 
  anapeptamcnus. 
  

  

  Fig. 
  2. 
  Natural 
  size. 
  

   Fi(j. 
  '2a. 
  Lateral 
  aspect, 
  [x 
  3 
  diam.] 
  

   Fiij. 
  2 
  6. 
  A 
  different 
  lateral 
  view, 
  [x 
  3 
  diam.] 
  

   Fiy.'lc. 
  Ventral 
  aspect, 
  [x 
  3 
  diam.] 
  

   Fiy.2d. 
  Dorsal 
  aspect, 
  [x 
  3 
  diam.] 
  

  

  Fig. 
  2 
  e. 
  [lleconstruction. 
  X 
  2 
  diam. 
  Austin's 
  figure 
  is 
  tinted 
  yellow 
  

   and 
  pink.] 
  

  

  Fig. 
  3. 
  Sycocrinus 
  clausus. 
  

  

  Fiy. 
  3. 
  Natural 
  size. 
  

  

  Fiy. 
  3«. 
  Lateral 
  aspect, 
  magnitied. 
  [x 
  3'5 
  diam.] 
  

  

  Fig. 
  3 
  b. 
  Lateral 
  aspect 
  showing 
  the 
  circular 
  opening 
  into 
  the 
  interior. 
  

  

  [ 
  X 
  3-5 
  diam.] 
  

   Fiy. 
  3 
  c 
  Lateral 
  view 
  on 
  a 
  different 
  side 
  to 
  the 
  two 
  before 
  specified. 
  

  

  [ 
  X 
  3-5 
  diam.] 
  

   Fiy. 
  3 
  d. 
  View 
  of 
  the 
  apex 
  showing 
  the 
  base 
  of 
  the 
  protrusive 
  pore. 
  

  

  [X 
  3 
  5 
  diam. 
  J 
  

   Fiy. 
  3 
  e. 
  Dorsal 
  aspect, 
  [x 
  3-5 
  diam.] 
  

  

  Fig. 
  4. 
  Sycocrinus 
  jacksom. 
  

  

  Fiy. 
  4. 
  Lateral 
  view 
  showing 
  the 
  pore. 
  [ 
  X 
  ca. 
  3 
  diam.] 
  

  

  Fiy. 
  4: 
  a. 
  The 
  apex 
  showing 
  the 
  excentrical 
  pore, 
  [x 
  ca. 
  3 
  diam.] 
  

  

  Fly. 
  4 
  b. 
  The 
  dorsal 
  apex. 
  [ 
  X 
  ca. 
  3 
  diam.] 
  

  

  XXIII. 
  — 
  On 
  a 
  small 
  Collection 
  of 
  Earthworms 
  from 
  Henderson 
  

   Island. 
  By 
  Dr. 
  LuiGl 
  COGNETTI 
  l)E 
  ]\iARTlIS, 
  R. 
  Museo 
  

   Zoologico, 
  Torino. 
  

  

  By 
  the 
  courtesy 
  of 
  Prof. 
  F. 
  J. 
  Bell, 
  of 
  the 
  British 
  IMuseuni^ 
  

   I 
  am 
  able 
  to 
  ffive 
  the 
  first 
  nofciticatioii 
  ou 
  the 
  Olis'ochffita 
  

   of 
  the 
  Henderson 
  or 
  Elizabeth 
  Island 
  in 
  the 
  South 
  Pacific. 
  

   The 
  small 
  collection 
  dealt 
  with 
  in 
  the 
  present 
  paper 
  was 
  

   collected 
  by 
  Mr. 
  David 
  Tait. 
  In 
  the 
  collection 
  only 
  two 
  

   species 
  of 
  the 
  game 
  genus 
  are 
  to 
  be 
  found, 
  as 
  follows 
  : 
  — 
  

  

  Pheretima 
  hendersoniana, 
  sp. 
  n. 
  

  

  Four 
  specimens. 
  

  

  External 
  characters. 
  — 
  Length 
  80-108 
  mm., 
  breadth 
  4'5- 
  

   6 
  mm. 
  behind 
  the 
  clitellum. 
  Segments 
  about 
  120. 
  

  

  Colour 
  brownish 
  dorsally 
  at 
  the 
  preclitellian 
  segments, 
  

   pale 
  brownish 
  or 
  whitish 
  elsewhere. 
  Prostomium 
  pro- 
  

   epilobous 
  (^). 
  

  

  