﻿670 
  EXPLANATION 
  OF 
  THE 
  PLATES. 
  

  

  Serpulid 
  or 
  Vei^meius-shcll, 
  and 
  forms 
  several 
  roots.] 
  Re- 
  

   duced 
  to 
  ono 
  tliird 
  nat. 
  size. 
  

  

  Fig. 
  L. 
  lotrocliota 
  pwyurea. 
  A 
  small 
  but 
  symmetrically 
  developed 
  

   dry 
  specimen 
  from 
  Torres 
  Straits 
  or 
  its 
  neighbourhood. 
  

   Nat. 
  size. 
  

  

  M. 
  /. 
  haculifera. 
  Portion 
  of 
  type 
  (spirit) 
  specimen 
  on 
  stone, 
  

   from 
  Port 
  Darwin, 
  between 
  tide-marks. 
  Nat. 
  size. 
  [The 
  

   small 
  pointed 
  conuli 
  are 
  not 
  quite 
  so 
  well 
  marked 
  on 
  

   this 
  as 
  on 
  the 
  reverse 
  side 
  of 
  the 
  specimen.] 
  

  

  N. 
  Sclimidtia 
  variahilis. 
  The 
  greater 
  part 
  of 
  the 
  type 
  speci- 
  

   men 
  (spirit), 
  from 
  Port 
  Darwin, 
  7-12 
  fms. 
  [Seen 
  from 
  

   the 
  side, 
  the 
  true 
  base 
  is 
  towards 
  the 
  right-hand 
  margin 
  of 
  

   the 
  plate.] 
  Reduced 
  to 
  two 
  thirds 
  nat. 
  size. 
  

  

  0. 
  PelUna 
  aliformis. 
  The 
  type 
  specimen 
  (inspirit), 
  from 
  Port 
  

   •Darwin, 
  7-12 
  fms. 
  Seen 
  from 
  one 
  side, 
  one 
  wing 
  almost 
  

   concealing 
  the 
  other. 
  Nat. 
  size. 
  

  

  Plate 
  XL. 
  

  

  Fig. 
  A. 
  EcTiinodictyum 
  glomeratum. 
  Type 
  specimen 
  (dry), 
  from 
  

   Thursday 
  Island, 
  Torres 
  Straits, 
  4-5 
  fms. 
  Nat. 
  size. 
  

  

  B. 
  PacJiijcJtcdina 
  macrodacti/la, 
  portion, 
  including 
  the 
  second 
  

  

  and 
  third 
  bifurcations 
  above 
  base, 
  seen 
  from 
  the 
  front. 
  B'. 
  

   Apex 
  of 
  branch 
  from 
  front, 
  slightly 
  inclined 
  to 
  one 
  side 
  

   to 
  show 
  lateral 
  series 
  of 
  vents. 
  Prom 
  dry, 
  somewhat 
  

   macerated, 
  specimen 
  from 
  Friday 
  Island, 
  Torres 
  Straits. 
  

   Nat. 
  size. 
  

  

  C. 
  AmpJiilectus 
  hisindidus. 
  The 
  greater 
  part 
  of 
  the 
  type 
  (dry) 
  

  

  specimen; 
  the 
  real 
  base 
  is 
  on 
  a 
  shell 
  (omitted) 
  to 
  the 
  left. 
  

   From 
  Thursday 
  Island, 
  Torres 
  Straits, 
  3-5 
  fms. 
  Nat. 
  

   size. 
  

  

  D. 
  Echinodictymn 
  cancellatum. 
  The 
  lower 
  part 
  (about 
  half 
  of 
  

  

  the 
  whole) 
  of 
  the 
  type 
  (dry 
  and 
  macerated) 
  specimen 
  

   from 
  Warrior 
  Reef, 
  Torres 
  Straits. 
  One 
  third 
  nat. 
  size. 
  , 
  

  

  