﻿EXPLANATION 
  OP 
  THE 
  PLATES. 
  675 
  

  

  Fig. 
  g. 
  Phorioftponcfia 
  fibrosa, 
  cylindrical, 
  bihamate, 
  equianchorate 
  

   (from 
  front 
  and 
  side) 
  spicules, 
  x 
  370. 
  From 
  typo 
  speci- 
  

   men 
  from 
  Prince 
  of 
  Wales 
  Channel. 
  

  

  h. 
  Esperia 
  pellucida, 
  skeleton 
  acuate 
  spicule. 
  7;', 
  large 
  (from 
  

   front), 
  7i", 
  small 
  inequianchorate 
  (from 
  front 
  and 
  side) 
  ; 
  

   h'", 
  bihamate 
  spicule 
  ; 
  and 
  7i"", 
  trichite-bundle, 
  x 
  370. 
  

   From 
  type 
  specimen 
  from 
  Alert 
  Island, 
  Torres 
  Straits. 
  

  

  i. 
  ClaiJirla 
  copphiger'i, 
  small 
  and 
  large 
  spined 
  acerate, 
  and 
  

   smooth 
  variety 
  of 
  end 
  of 
  latter, 
  and 
  smooth 
  subspinulate 
  

   spicules, 
  X 
  190. 
  i\ 
  equianchorate 
  spicule 
  (from 
  front 
  

   and 
  side), 
  x 
  370. 
  From 
  specimen 
  from 
  Albany 
  Island. 
  

  

  j* 
  C. 
  frondifera, 
  smooth 
  acerate 
  spicule, 
  three 
  sizes, 
  x 
  190. 
  

   /, 
  spined 
  acuate, 
  two 
  forms, 
  x 
  190 
  ; 
  /', 
  tricurvate 
  spicule, 
  

   and/", 
  equianchorate 
  (from 
  front 
  and 
  side), 
  x 
  370, 
  From 
  

   specimen 
  from 
  Fitzroy 
  Island, 
  Queensland. 
  

  

  Jc. 
  C. 
  aculeata, 
  smooth 
  acuate 
  and 
  subspinulate, 
  and 
  spined 
  

   acuate 
  spicules, 
  x 
  190, 
  Ic, 
  tricurvate, 
  and 
  Tc", 
  equi- 
  

   anchorate 
  (from 
  front 
  and 
  side), 
  x370. 
  From 
  type 
  

   specimen 
  from 
  Thursday 
  Island. 
  

  

  I. 
  liaspailia 
  bifiircata, 
  portion 
  of 
  fibre 
  from 
  near 
  base, 
  show- 
  

   ing 
  spined 
  acuate 
  spicule 
  in 
  sita, 
  x 
  190. 
  V, 
  smooth 
  

   acuate 
  and 
  acerate 
  spicules, 
  x 
  38. 
  From 
  type 
  specimen 
  

   (in 
  spirit) 
  from 
  Prince 
  of 
  Wales 
  Channel. 
  

  

  m. 
  a. 
  austndiensis, 
  part 
  of 
  vertical 
  section 
  from 
  near 
  middle 
  

   of 
  Sponge, 
  X 
  38. 
  m', 
  larger 
  and 
  smaller 
  acuate 
  spicules, 
  

   X 
  G8. 
  From 
  type 
  specimen 
  (in 
  spirit) 
  from 
  Port 
  

   Darwin. 
  

  

  n. 
  lihapliidophlus 
  arhorescens, 
  smooth 
  and 
  spined 
  acuate 
  

   spicules, 
  and 
  head 
  of 
  spinulate 
  variety 
  of 
  the 
  former, 
  x 
  190. 
  

   n. 
  Equianchorate 
  seen 
  from 
  the 
  front, 
  x 
  370. 
  From 
  type 
  

   specimen 
  from 
  Friday 
  Island. 
  

  

  0. 
  R. 
  procerus, 
  part 
  of 
  vertical 
  section, 
  x 
  68. 
  o', 
  skeleton- 
  

   spicules, 
  X 
  68 
  ; 
  o", 
  flesh-spicules, 
  x 
  370. 
  From 
  type 
  

   specimen 
  (in 
  spirit) 
  from 
  Port 
  Darwin. 
  

  

  * 
  This 
  figure 
  has 
  been 
  erroneously 
  referred 
  to 
  as 
  fig. 
  i 
  in 
  the 
  text 
  on 
  p. 
  448, 
  

  

  