﻿174 
  rUOCKEDINGS 
  OF 
  THE 
  MALACOLOGICAL 
  SOCIKTT, 
  

  

  sister, 
  Miss 
  Maud 
  Olivier, 
  has 
  given 
  very 
  great 
  assistance 
  in 
  both 
  

   collecting 
  and 
  cataloguing 
  the 
  marine 
  MoUusca 
  of 
  Bombay 
  and 
  

   neighbouring 
  coasts. 
  

  

  97. 
  Mangilia. 
  opalus 
  (lleeve). 
  

   Pleurotoma 
  opalus, 
  Reeve, 
  Proc. 
  Zool. 
  Soc. 
  Lond., 
  1845, 
  p. 
  112. 
  

   ,, 
  ,, 
  Couch. 
  Icon., 
  vol. 
  i, 
  1845, 
  pi, 
  xxx, 
  f. 
  274. 
  

  

  I. 
  Lat. 
  18° 
  58' 
  N., 
  long. 
  71° 
  45' 
  E., 
  40 
  fathoms. 
  

  

  Only 
  occurred 
  in 
  these 
  seas 
  on 
  the 
  one 
  occasion 
  mentioned 
  j 
  ust 
  above. 
  

   There 
  is 
  close 
  alliance 
  between 
  this 
  species 
  (described 
  origiuallj' 
  from 
  

   Cayagan, 
  Island 
  of 
  Mindanao, 
  Philippines) 
  and 
  PL 
  ebur, 
  lleeve 
  

   (Conch. 
  Icon., 
  species 
  275). 
  M. 
  polita, 
  Hinds, 
  is 
  also 
  near, 
  

   and 
  also, 
  I 
  should 
  infer, 
  M. 
  apollinea, 
  Melv., 
  from 
  these 
  same 
  seas, 
  

   as 
  well 
  as 
  M. 
  infulata, 
  Hedley, 
  from 
  Australia. 
  Size 
  seems 
  made 
  too 
  

   important 
  a 
  feature 
  in 
  tlie 
  apportionment 
  of 
  species 
  of 
  this 
  group 
  to 
  

   the 
  various 
  subsidiary 
  genera, 
  as 
  our 
  shell, 
  excepting 
  for 
  this 
  

   particular, 
  possesses 
  the 
  labial 
  and 
  oral 
  attributes 
  of 
  a 
  Drillia. 
  

  

  98. 
  Mangilia. 
  PELtri 
  (Sm.). 
  (PL 
  IX, 
  Fig. 
  9.) 
  

  

  Pleurotoma 
  {Mangilia) 
  pellyi, 
  E. 
  A. 
  Smith, 
  Ann. 
  Mag. 
  Nat. 
  Hist., 
  

   ser. 
  V, 
  vol. 
  x, 
  1882, 
  p. 
  218. 
  

  

  P.G. 
  Coll. 
  Pelly. 
  (Type 
  in 
  the 
  British 
  Museum.) 
  Also 
  Gulf 
  of 
  

   Oman, 
  lat. 
  24° 
  55' 
  N., 
  long. 
  57° 
  59' 
  E., 
  250 
  fathoms. 
  

  

  This 
  shell, 
  whose 
  two 
  near 
  allies 
  appear 
  to 
  be 
  M. 
  fuhocincta, 
  

   G. 
  «& 
  H. 
  Nevill, 
  and 
  M. 
  q^ierna, 
  Melv., 
  differs 
  from 
  the 
  former 
  in 
  

   its 
  far 
  more 
  abbreviate 
  contour, 
  from 
  the 
  latter 
  in 
  its 
  fine 
  spiral 
  

   striation. 
  It 
  was 
  named 
  in 
  honour 
  of 
  the 
  late 
  Sir 
  Lewis 
  Pelly, 
  ^ 
  the 
  

   then 
  (1862-71) 
  Political 
  Agent 
  for 
  the 
  Persian 
  Gulf 
  district, 
  who 
  

   was 
  the 
  first 
  to 
  employ 
  the 
  dredge 
  in 
  obtaining 
  marine 
  MoUusca 
  

   from 
  these 
  seas, 
  his 
  collections 
  being 
  generously 
  bestowed 
  on 
  the 
  

   British 
  Museum 
  by 
  the 
  late 
  Mr. 
  R. 
  MacAndrew. 
  

  

  99. 
  Mangilia 
  perlonga, 
  Melv. 
  

  

  Mangilia 
  perlonga, 
  Melvill, 
  Ann. 
  Mag. 
  Nat. 
  Hist., 
  ser. 
  vii, 
  vol. 
  iv, 
  

   'l899, 
  p. 
  87, 
  pi. 
  i, 
  f. 
  5. 
  

  

  P.G. 
  Muscat, 
  10-12 
  fathoms. 
  

  

  I. 
  Karachi, 
  only 
  once 
  found. 
  

  

  More 
  regular 
  in 
  form 
  and 
  longer 
  than 
  perpJexa, 
  Nevill, 
  which 
  is 
  

   allied. 
  Apical 
  whorls 
  smooth, 
  globular, 
  vitieous-white, 
  the 
  third 
  

   and 
  fourth 
  carinate, 
  sinus 
  situate 
  just 
  below 
  the 
  suture, 
  broad 
  but 
  

   not 
  deep. 
  

  

  100. 
  Mangilia 
  pkbplexa. 
  (G. 
  & 
  H. 
  Nev.). 
  

  

  Clathurella 
  perplexa, 
  G. 
  & 
  H. 
  Nevill, 
  Journ. 
  As. 
  Soc. 
  Bengal, 
  vol. 
  xliv, 
  

   pt. 
  ii, 
  1875, 
  p. 
  89, 
  pi. 
  vii, 
  f. 
  5. 
  

   P.G. 
  Bushire, 
  and 
  near 
  Fao, 
  at 
  the 
  head 
  of 
  the 
  Gulf. 
  

   I. 
  Bombay 
  (Abercrombie). 
  Also 
  occurring 
  in 
  Ceylon. 
  

  

  ' 
  At 
  that 
  time 
  Colonel, 
  afterwards 
  Lieut. 
  -General 
  Sir 
  Lewis 
  Pelly, 
  K.C.B., 
  

   K.C.S.I., 
  b. 
  1824, 
  d. 
  1892, 
  late 
  M.P. 
  for 
  Hackney. 
  

  

  