﻿MOLLFSCA, 
  45 
  

  

  This 
  shell 
  is 
  remarkably 
  prickly 
  when 
  in 
  perfect 
  condition, 
  by 
  

   reason 
  of 
  the 
  scaly 
  character 
  of 
  tlie 
  transverse 
  ridges. 
  The 
  single 
  

   and 
  rather 
  young 
  shell 
  from 
  Thursday 
  Island 
  has 
  the 
  spire 
  of 
  a 
  deli- 
  

   cate 
  pink 
  colour. 
  A 
  second 
  example, 
  from 
  Prince 
  of 
  Wales 
  Channel, 
  

   belongs 
  to 
  the 
  black-brown 
  variety 
  figured 
  by 
  Reeve 
  (pi. 
  x. 
  fig. 
  37). 
  

  

  IG. 
  Murex 
  cervicornis. 
  

  

  Lamarck 
  ; 
  Kiener's 
  Coq. 
  Viv. 
  pi. 
  20, 
  fig. 
  2 
  ; 
  Soiverhy, 
  Oenera 
  Rec. 
  Foss. 
  

   Shells, 
  fig. 
  4; 
  id. 
  Then. 
  Conch, 
  pi. 
  382. 
  fig. 
  30; 
  lieeve, 
  Conch. 
  

   Icon. 
  fig. 
  06; 
  Kobelt, 
  Conch.- 
  Cab. 
  pi. 
  31. 
  figs. 
  5, 
  6. 
  

  

  Hab. 
  Thursday 
  Island, 
  4 
  fms. 
  ; 
  Prince 
  of 
  Wales 
  Channel 
  ; 
  Torres 
  

   Straits, 
  7-9 
  fms.; 
  Port 
  Darwin, 
  8-12 
  fms.; 
  and 
  Clairmout 
  Island, 
  

   11 
  fms. 
  (Goppinger) 
  ; 
  Darnley 
  Island, 
  Torres 
  Straits, 
  20-30 
  fms. 
  

   (Brazier). 
  

  

  One 
  specimen 
  obtained 
  by 
  Dr. 
  Coppinger 
  is 
  peculiar 
  on 
  account 
  of 
  

   the 
  unusual 
  shortness 
  of 
  the 
  canal, 
  and 
  the 
  presence 
  of 
  one, 
  instead 
  

   of 
  two, 
  spines 
  upon 
  it. 
  Another 
  example 
  is 
  remarkable 
  for 
  its 
  

   uniform 
  rich 
  brown 
  tint, 
  the 
  ordinary 
  colour 
  of 
  this 
  interesting 
  

   species 
  being 
  considerably 
  paler. 
  

  

  17. 
  Murex 
  territus. 
  

  

  Reeve, 
  Conch. 
  Icon. 
  figs. 
  167 
  a, 
  b 
  ; 
  Sowei-bi/, 
  Thes. 
  Con. 
  pi. 
  9. 
  tig. 
  77 
  

  

  (fronds 
  on 
  varices 
  incorrect). 
  

   M 
  urex 
  nubilus 
  (= 
  territus, 
  fun.), 
  Sowerhj, 
  Proc. 
  Zool. 
  Soc. 
  1859, 
  p. 
  428, 
  

  

  pi. 
  49. 
  fig. 
  4 
  ; 
  Thes. 
  Conch, 
  fig. 
  71. 
  

  

  Hah. 
  Wide 
  Bay 
  and 
  Port 
  Curtis 
  {Mus. 
  Cuming) 
  ; 
  Port 
  MoUe, 
  

   15 
  fms., 
  and 
  Port 
  Curtis, 
  0-11 
  fms. 
  {Ooppinger). 
  

  

  Although 
  the 
  figures 
  respectively 
  representing 
  the 
  types 
  of 
  M. 
  

   territus 
  and 
  M. 
  nubilus 
  would 
  not 
  lead 
  one 
  to 
  consider 
  them 
  the 
  

   same 
  species, 
  still 
  on 
  actual 
  comparison 
  such 
  proves 
  beyond 
  a 
  doubt 
  

   to 
  be 
  the 
  case. 
  

  

  The 
  shell 
  described 
  by 
  Eceve 
  is 
  a 
  tine 
  specimen 
  (alas 
  ! 
  like 
  very 
  

   many 
  of 
  Mr. 
  Cuming's 
  shells, 
  terribly 
  spoiled 
  by 
  acid 
  in 
  cleaning), 
  

   with 
  the 
  frondose 
  varices 
  weU 
  developed. 
  The 
  three 
  brown 
  bauds 
  

   so 
  conspicuous 
  in 
  the 
  young 
  shell 
  {M. 
  nubilus) 
  are 
  only 
  visible 
  

   on 
  the 
  varices 
  in 
  the 
  adult. 
  The 
  canal 
  is 
  a 
  little 
  arcuate, 
  nearly 
  

   closed, 
  and 
  somewhat 
  recurved, 
  and 
  bears 
  three 
  principal 
  spines, 
  as 
  

   mentioned 
  by 
  Sowerby 
  in 
  his 
  description 
  of 
  M. 
  nubilus. 
  Only 
  two 
  

   are 
  seen 
  in 
  the 
  figures 
  of 
  M. 
  territus, 
  a 
  result 
  due 
  to 
  a 
  fi'acture 
  of 
  

   the 
  third 
  in 
  the 
  shell 
  figured 
  ; 
  but 
  the 
  presence 
  of 
  it 
  is 
  seen 
  on 
  the 
  

   penultimate 
  varix 
  in 
  the 
  same 
  illustration. 
  Although, 
  ds 
  a 
  rule, 
  

   there 
  is 
  but 
  a 
  single 
  tubercle 
  between 
  the 
  varices, 
  yet 
  in 
  some 
  spe- 
  

   cimens 
  a 
  second 
  smaller 
  one 
  is 
  developed. 
  The 
  two 
  nuclear 
  whorls 
  

   are 
  smooth, 
  convex, 
  and 
  reddish. 
  

  

  