﻿MKLVirX 
  : 
  TUUKID.E 
  OK 
  THK 
  PKUfSIAN 
  GULF, 
  ETC. 
  187 
  

  

  144. 
  CLATHURmA 
  NKTUODKS, 
  sp. 
  nov. 
  (PI. 
  X, 
  Fig. 
  17.) 
  

  

  C. 
  testa 
  longa, 
  gracili, 
  attenuata, 
  delicuta, 
  pallide 
  albo-straminea, 
  

   vel 
  brunnea, 
  infra 
  suturas 
  sparsiiii 
  spiralitor 
  brunnescente, 
  simul 
  ac 
  

   infra 
  periplieriam 
  ad 
  basim, 
  anfractibus 
  ad 
  10, 
  quorum 
  apicales 
  3, 
  

   secundo 
  et 
  tertio 
  niiuiitissirae 
  sub 
  leute 
  cancellati, 
  cfeteris 
  longi- 
  

   tudiualiter 
  costulatis, 
  costis 
  paucis, 
  ad 
  ultiinum 
  in 
  numero 
  9, 
  et 
  

   spiralitor 
  crassiliratis, 
  liris 
  3-4, 
  penultimo 
  G, 
  ultimo 
  anfractu 
  ad 
  9, 
  

   irregularibus, 
  inde 
  ad 
  basim 
  arete 
  striato, 
  apertura 
  ovata, 
  sinu 
  baud 
  

   profundo, 
  parvo, 
  raargine 
  columellari 
  fere 
  recto, 
  canali 
  miuime 
  

   producto. 
  Long. 
  12, 
  lat. 
  3'50 
  ram. 
  

  

  {vijjpov 
  el'co^, 
  spindle-,. 
  i.e. 
  i^«»?<«-sbaped.) 
  

  

  Hab. 
  "Persian 
  Gulf," 
  no 
  specified 
  locality. 
  

  

  Only 
  a 
  few 
  examples 
  have 
  yet 
  come 
  to 
  hand 
  of 
  this 
  small 
  but 
  

   regularly 
  formed 
  species. 
  It 
  much 
  resembles 
  a 
  Fusiis 
  in 
  miniature, 
  

   ami 
  with 
  a 
  strong 
  lens 
  the 
  small 
  nuclear 
  whorls 
  are 
  seen 
  to 
  be 
  

   closely 
  cancel! 
  ate. 
  

  

  145, 
  Clathuuina 
  polthymnia 
  (Melv.). 
  

   Clathiirella 
  pohjhymnia, 
  Melvill, 
  Proc. 
  Malac. 
  Soc. 
  Lond., 
  vol. 
  vi, 
  1904, 
  

   p. 
  165, 
  pi. 
  X, 
  f. 
  17. 
  

   P.G. 
  Gulf 
  of 
  Oman, 
  lut. 
  24° 
  58' 
  K, 
  long. 
  56° 
  54' 
  E., 
  156 
  fathoms. 
  

   A 
  distinct 
  form, 
  with 
  many 
  thickened 
  longitudinal 
  costula3 
  and 
  

   close 
  spiral 
  lirations, 
  gemmate 
  at 
  the 
  points 
  of 
  junction. 
  All 
  our 
  

   examples 
  are 
  somewhat 
  apically 
  worn, 
  but 
  a 
  slight 
  cancellation 
  is 
  

   observable 
  in 
  the 
  third 
  and 
  keeled 
  whorl, 
  the 
  second 
  being 
  also 
  

   occasionally 
  similarly 
  carinate. 
  Sinus 
  at 
  the 
  suture, 
  wide 
  and 
  well 
  

   expressed. 
  

  

  146. 
  CLATnuuiNA 
  KECEPTOErA 
  (Melv. 
  & 
  St.). 
  

   Daphnella 
  receptoria, 
  Melvill 
  & 
  Standen, 
  Proc. 
  Zool. 
  Soc. 
  Lond., 
  

   1901, 
  p. 
  448, 
  pi. 
  xxiv, 
  f. 
  15. 
  

   M.C. 
  Charbar. 
  

  

  This 
  large 
  and 
  handsome 
  species 
  has 
  only 
  once 
  occurred. 
  It 
  seems 
  

   too 
  nearly 
  allied 
  with 
  other 
  carinate 
  Clathnrellce 
  not 
  to 
  be 
  relegated 
  

   to 
  the 
  genus 
  in 
  which, 
  by 
  common 
  consent, 
  they 
  stand. 
  

  

  147. 
  Clathukina 
  spanionema, 
  sp. 
  nov. 
  (PL 
  X, 
  Fig. 
  10.) 
  

  

  C. 
  testa 
  alba, 
  parva, 
  fusiforini, 
  delicata, 
  tenui, 
  anfractibus 
  8, 
  

   quorum 
  apicales 
  duo 
  vitrei, 
  globulosi, 
  tertio 
  sub 
  lente 
  pulchre 
  

   cancellato, 
  casteris 
  5 
  apud 
  suturas 
  impressis, 
  tribus 
  supernis 
  ad 
  

   medium 
  angulatis, 
  undique 
  longitudinaliter 
  crassicostatis, 
  numero 
  

   ultimum 
  apud 
  anfractum 
  duodecira, 
  spiralitor 
  liris 
  paucis 
  accinctis, 
  

   ad 
  juncturas 
  gemmatis, 
  apertura 
  ovata, 
  labro 
  tenui, 
  sinu 
  obscuro, 
  

   canali 
  pauUum 
  prolongato, 
  columella 
  recta. 
  Long. 
  8, 
  lat. 
  3 
  mm. 
  

  

  {a-TraiHO'i 
  vPjfia, 
  with 
  scanty 
  threads 
  or 
  lirse.) 
  

  

  P.G. 
  Gulf 
  of 
  Oman, 
  lat. 
  24° 
  58' 
  N., 
  long. 
  56° 
  54' 
  E., 
  156 
  fathoms. 
  

  

  A 
  small 
  delicate 
  species, 
  white, 
  eight-whorled, 
  the 
  third 
  apical 
  

   being 
  beautifully 
  cancellate. 
  This 
  point 
  is 
  unfortunately 
  not 
  well 
  

   brought 
  out 
  in 
  our 
  illustration. 
  The 
  ribs 
  ai'e 
  incrassate, 
  spiral 
  lirae 
  

   few, 
  in 
  the 
  last 
  whorl 
  they 
  are 
  absent 
  just 
  in 
  the 
  centre, 
  the 
  canal 
  is 
  

   prolonged 
  somewhat, 
  outer 
  lip 
  thin, 
  columella 
  straight. 
  

  

  \0l^, 
  XII.— 
  AUGUST, 
  1917, 
  14 
  

  

  