﻿334 
  COLLECTIONS 
  FROM 
  MELANESIA. 
  

  

  linear 
  ridges, 
  at 
  the 
  ver}' 
  point; 
  size 
  about 
  2*6 
  by 
  -21 
  milliin. 
  

   (iv.) 
  Smaller 
  spicules, 
  as 
  (iii.), 
  but 
  generally 
  more 
  curved 
  ; 
  tlie 
  

   tubercles 
  at 
  the 
  outer 
  end 
  are 
  strongly 
  developed 
  and 
  project 
  for- 
  

   ward, 
  often 
  giving 
  quite 
  a 
  feathered 
  appearance 
  to 
  the 
  point 
  ; 
  size 
  

   about 
  -04 
  by 
  "053 
  to 
  '07 
  millim. 
  A 
  variety, 
  which 
  may 
  be 
  dis- 
  

   tinguished 
  as 
  var. 
  Icevior, 
  represented 
  by 
  two 
  young 
  specimens, 
  

   has 
  the 
  tubercles 
  on 
  the 
  larger 
  spicules 
  smaller, 
  usually 
  simple, 
  

   and 
  fewer 
  in 
  number. 
  

  

  Hab. 
  (Typical 
  form) 
  Port 
  Darwin, 
  Percy 
  Island, 
  and 
  Port 
  Molle, 
  

   Queensland, 
  depths 
  0-14 
  fms., 
  bottom 
  various; 
  also 
  McClure 
  Gulf. 
  

   New 
  Guinea 
  (Sfuder). 
  Var. 
  Icevior 
  occurs 
  in 
  the 
  Arafura 
  Sea, 
  off 
  

   N.W. 
  coast 
  of 
  Australia, 
  32-36 
  fms., 
  and 
  Dundas 
  Straits, 
  17 
  fms., 
  

   bottom 
  various. 
  

  

  Obs. 
  The 
  aggregation 
  of 
  lobules 
  at 
  the 
  surface, 
  thougli 
  close, 
  is 
  

   not 
  so 
  close 
  as 
  in 
  the 
  type 
  specimen 
  of 
  S. 
  spinosa, 
  Gray, 
  in 
  which, 
  

   moreover, 
  the 
  spicules 
  are 
  much 
  larger 
  and 
  the 
  shape 
  of 
  the 
  colony 
  

   as 
  a 
  whole 
  more 
  horizontal 
  than 
  here 
  ; 
  the 
  two 
  species, 
  however, 
  are 
  

   closely 
  allied. 
  Several 
  specimens 
  occur 
  in 
  the 
  collection. 
  Of 
  those 
  

   species 
  which 
  are 
  the 
  best 
  known 
  and 
  described 
  hitherto, 
  viz. 
  the 
  

   Red-Sea 
  forms 
  described 
  by 
  Kluuzinger, 
  S. 
  hemprichi 
  appears 
  to 
  be 
  

   the 
  most 
  nearly 
  allied 
  ; 
  it 
  has, 
  however, 
  the 
  spicule-tubercles 
  con- 
  

   siderably 
  larger 
  in 
  proportion, 
  and 
  the 
  spicules 
  of 
  the 
  stem 
  tend 
  to 
  

   be 
  blunt 
  instead 
  of 
  fusiform, 
  and 
  instead 
  of 
  being 
  longitudinally, 
  

   they 
  are 
  more 
  or 
  less 
  transversely 
  arranged. 
  

  

  T 
  E 
  LEBTIN 
  ^. 
  

  

  6. 
  Telesto 
  smithi. 
  

  

  Telesco 
  smithii, 
  Gray, 
  Ann. 
  8f 
  Mag. 
  N. 
  H, 
  (4) 
  iii. 
  p. 
  21, 
  fig. 
  

   Alexella 
  smithii, 
  id. 
  ibid. 
  p. 
  22. 
  

  

  A 
  considerable 
  quantity, 
  in 
  masses, 
  in 
  conjunction 
  with 
  Sponges 
  

   and 
  articulate 
  Polyzoa, 
  from 
  the 
  Arafura 
  Sea. 
  It 
  was 
  originally 
  

   described 
  from 
  Sydney, 
  Xew 
  South 
  Wales. 
  

  

  Hab. 
  Arafura 
  Sea, 
  32-36 
  fms. 
  ; 
  Port 
  MoUe, 
  Queensland, 
  12-20 
  

   fms. 
  

  

  PENNATULID.E. 
  

  

  7. 
  Pteroides 
  javanica. 
  

  

  Bleeker, 
  Naftmrkund 
  . 
  Tijdsch. 
  Batav. 
  xx. 
  p. 
  402 
  ; 
  Kolliker, 
  Anat.- 
  

   syst. 
  Beschreib. 
  Alcyon., 
  Pennat. 
  p. 
  104. 
  

  

  A 
  very 
  young 
  specimen 
  in 
  spirit. 
  It 
  agrees 
  in 
  its 
  chief 
  characters 
  

   and 
  general 
  facies 
  with 
  this 
  species, 
  though 
  it 
  has 
  only 
  10-12 
  

   leaves 
  on 
  each 
  side, 
  and 
  the 
  largest 
  leaves 
  have 
  only 
  4-6 
  chief 
  rays 
  ; 
  

   these 
  low 
  proportions, 
  however, 
  are 
  perhaps 
  due 
  to 
  youth. 
  The 
  

   stem 
  is 
  surrounded 
  by 
  a 
  dark 
  band 
  opposite 
  the 
  lowest 
  leaves, 
  and 
  

   by 
  another 
  about 
  halfway 
  up 
  that 
  part 
  of 
  the 
  axis 
  on 
  which 
  the 
  

  

  