﻿144 
  PROCEKDINGS 
  OF 
  THE 
  MALACOLOGICAL 
  SOCIEXr. 
  

  

  4. 
  TUREIS 
  INVICTA, 
  Melv. 
  

  

  Turris 
  invicta, 
  Melvill, 
  Ann. 
  Mag. 
  Nat. 
  Hist., 
  ser. 
  viii, 
  vol. 
  vi, 
  1910, 
  

   p. 
  15, 
  pi. 
  ii, 
  f. 
  27. 
  

  

  P.G. 
  Telegraph 
  cable 
  at 
  29 
  fathoms. 
  September 
  2, 
  1906. 
  Bushire, 
  

   Hinderabi 
  Island, 
  Gulf 
  of 
  Oman, 
  55 
  fathoms. 
  Several. 
  

  

  One, 
  especially 
  large 
  and 
  fine, 
  measures 
  long. 
  90 
  x 
  lat. 
  32 
  mm. 
  

   Allied 
  to 
  indica, 
  it 
  preserves 
  its 
  individuality 
  in 
  all 
  specimens 
  

   found, 
  especially 
  as 
  regards 
  its 
  remarkably 
  abbreviate 
  contour. 
  So 
  

   far 
  as 
  is 
  at 
  present 
  known, 
  it 
  is 
  endemic. 
  This 
  would 
  be 
  included 
  in 
  

   Dr. 
  Casey's 
  genus 
  Lophiotoyna, 
  to 
  which 
  I 
  referred 
  under 
  T. 
  indica. 
  

  

  § 
  Subgen. 
  GEMMULA, 
  WeinkaufF, 
  1876. 
  

  

  5. 
  Turris 
  (Gemmula) 
  congener 
  (Sm.). 
  

  

  Fleuroioma 
  convener, 
  E. 
  A. 
  Smith, 
  Ann. 
  Mag. 
  Nat. 
  Hist., 
  ser. 
  vi, 
  

   vol. 
  xiv, 
  1894, 
  p. 
  160, 
  pi. 
  iii, 
  f. 
  4, 
  5. 
  

  

  P.G. 
  Gulf 
  of 
  Oman 
  {Investigator 
  Expedition), 
  lat. 
  23° 
  47' 
  N., 
  

   long. 
  58° 
  30' 
  E., 
  230 
  fathoms. 
  

  

  This 
  fine 
  species 
  was 
  originally 
  dredged 
  by 
  the 
  same 
  expedition 
  

   in 
  the 
  Bay 
  of 
  Bengal, 
  and 
  subsequently 
  west 
  of 
  Travancore 
  at 
  

   102 
  fathoms, 
  also 
  west 
  of 
  the 
  Malabar 
  Coast 
  at 
  295-360 
  fathoms, 
  from 
  

   mud 
  and 
  sand. 
  We 
  had 
  hoped 
  to 
  have 
  found 
  it 
  among 
  Mr. 
  Townsend's 
  

   collections. 
  

  

  Many 
  other 
  large 
  abysmal 
  species 
  Avere 
  found 
  by 
  the 
  In- 
  

   vestigator, 
  but 
  mostly 
  in 
  the 
  Bay 
  of 
  Bengal, 
  or 
  off 
  Ceylon, 
  and 
  the 
  

   Malabar 
  Coast, 
  outside 
  our 
  limits. 
  Most, 
  if 
  not 
  all 
  of 
  them, 
  have 
  

   been 
  figured 
  by 
  Messrs. 
  Alcock, 
  Annandale, 
  MacGilchrist, 
  and 
  others 
  

   in 
  the 
  Illustrations 
  of 
  the 
  Zoology 
  of 
  the 
  Royal 
  Indian 
  Marine 
  Survey 
  

   Ship 
  " 
  Investigator 
  ". 
  

  

  6. 
  Turris 
  (GEMJiaLA.) 
  gemmata 
  (Hinds). 
  

  

  Pleurotoma 
  gemmata, 
  Hinds, 
  Proc. 
  Zool. 
  Soc. 
  Lond., 
  1843, 
  p. 
  37. 
  

   ,, 
  ,, 
  Keeve, 
  Couch. 
  Icon., 
  vol. 
  i, 
  1843, 
  pi. 
  x, 
  f. 
  83. 
  

  

  ,, 
  fusca, 
  Hombron 
  & 
  Jacquinot, 
  Vov. 
  Sud. 
  Pol. 
  Zool., 
  vol. 
  v, 
  

  

  1850, 
  p. 
  3, 
  pi. 
  XXV, 
  f. 
  19-20. 
  

  

  P.G. 
  Gulf 
  of 
  Oman, 
  lat. 
  24° 
  5' 
  N., 
  long. 
  57° 
  35' 
  E., 
  205 
  fathoms, 
  

   sand, 
  abundant, 
  none 
  full 
  grown. 
  Also 
  lat. 
  24° 
  58' 
  N., 
  long. 
  

   54° 
  56' 
  E., 
  156 
  fathoms, 
  equally 
  common, 
  and 
  at 
  two 
  contiguous 
  

   dredgings 
  at 
  37 
  and 
  225 
  fathoms 
  respectively, 
  in 
  sand 
  and 
  mud. 
  

   A 
  dark 
  form 
  occurs 
  ofi 
  Muscat 
  at 
  20-40 
  fathoms. 
  

  

  M.C. 
  Olf 
  Charbar, 
  40 
  fathoms. 
  

  

  P. 
  fusca, 
  H. 
  & 
  J., 
  we 
  consider 
  synonymous; 
  the 
  dark 
  form 
  

   mentioned 
  above 
  might 
  be 
  considered 
  a 
  colour 
  variety 
  for 
  which 
  the 
  

   name 
  fmca 
  would 
  be 
  congenial. 
  Eew 
  of 
  our 
  examples 
  are 
  full 
  

   grown 
  ; 
  it 
  is 
  evidently 
  an 
  abysmal 
  species. 
  

  

  The 
  distribution 
  is 
  extended 
  over 
  the 
  eastern 
  tropics 
  from 
  the 
  Red 
  

   Sea 
  to 
  Australia. 
  It 
  does 
  not, 
  however, 
  occur 
  in 
  Hidalgo's 
  

   Philippine 
  Catalogue. 
  Hedley, 
  in 
  his 
  Queensland 
  List, 
  separates 
  

   " 
  Fleurotoma^' 
  gemmata, 
  Hinds, 
  and 
  '' 
  Drillia^^ 
  fusca, 
  H. 
  & 
  J., 
  and 
  

  

  