﻿b) 
  Genus 
  Cres 
  eis 
  Rang 
  

   ISSBTTa 
  mythological 
  

   name, 
  writes 
  Paul 
  

   Pelseneer 
  in 
  the 
  

   "Challenger" 
  Report 
  

   on 
  the 
  Pteropoda. 
  

   Shells 
  slender, 
  co- 
  

   nical, 
  Fern.) 
  

  

  c 
  ) 
  Genus 
  Styl 
  io 
  la 
  L 
  e- 
  

   sueur 
  1825. 
  CDiKiinu- 
  

   tive 
  of 
  stylos, 
  a 
  

   pillar, 
  column. 
  Shell 
  

   is 
  elongate-conical, 
  

   Tern, 
  ) 
  

  

  d) 
  Genus 
  Hya 
  locylis 
  P 
  ol 
  

   1875. 
  TGr. 
  hyalos, 
  

   glass 
  -<- 
  cylix, 
  a 
  

   cup, 
  A 
  glass 
  cup. 
  

   Fern, 
  ) 
  

  

  e 
  ) 
  Ge 
  nus 
  C 
  1 
  i 
  o 
  Li 
  nne 
  

   17 
  67, 
  rciio 
  is 
  the 
  

   Muse 
  of 
  history. 
  

   Pem, 
  ) 
  

  

  )i 
  

  

  119 
  

  

  central 
  spine 
  short 
  and 
  curved 
  upward.) 
  • 
  

   C 
  avolina 
  quadrid 
  e 
  ntata 
  Lesueur 
  (with 
  four; 
  

  

  teeth. 
  1 
  j 
  

  

  Cavolina 
  tri 
  s 
  pinosa 
  Lesueur 
  (with 
  three 
  , 
  

  

  spines; 
  shell 
  with 
  three 
  lateral 
  strong 
  

  

  spines. 
  ) 
  

  

  Creseis 
  acicula 
  Rang 
  (Lat, 
  noun 
  meaning 
  

   a 
  pin; 
  shell 
  so 
  thin 
  and 
  long 
  that 
  it 
  

   seems 
  to 
  he 
  filiform, 
  v/rites 
  d'Orhigny. 
  

  

  Creseis 
  conica 
  Esc 
  hscholtz 
  (conical.) 
  

  

  Creseis 
  virgula 
  Rang~ra 
  small 
  rod, 
  a 
  com^ 
  

   ma; 
  shell 
  slender 
  with 
  an 
  abrupt 
  enlar- 
  

   gement 
  at 
  one 
  end.) 
  

  

  Creseis 
  virg 
  ula 
  coniformis 
  Orbigny 
  (cone 
  

   shaped, 
  y 
  

  

  Creseis 
  ch 
  ierchia_e 
  .Boas 
  (named 
  for 
  a 
  

   Lieutenant 
  Chierchia.y 
  

  

  Styli 
  ola 
  subu 
  la 
  Quoy 
  & 
  Gaimard 
  ( 
  av;l- 
  

   shaped,y 
  

  

  H 
  yalocylis 
  s 
  tr 
  iata 
  Rang 
  (with 
  s 
  t 
  r 
  i 
  ae 
  . 
  ) 
  

  

  ' 
  Clio 
  cu 
  spi 
  dat 
  a.Bosc 
  (pointed; 
  with 
  three 
  

   ■ 
  long 
  acute 
  points.) 
  

  

  Clio 
  py 
  ra 
  mi 
  d 
  ata 
  Linne 
  (pyramidal; 
  trian- 
  

   gular.]" 
  

  

  Clio 
  polita 
  Pelseneer 
  (polished, 
  smooth; 
  

   I 
  shell 
  smooth 
  over 
  its 
  entire 
  surface.) 
  

   ! 
  Clio 
  re 
  cur 
  va_ 
  .Chi 
  Idren 
  (bent.) 
  

  

  f 
  ) 
  Genus 
  Cu 
  yi 
  er 
  ina 
  B 
  oas 
  

   1886.rShould 
  not 
  "be 
  

   called 
  H 
  erse 
  Gistel 
  

   1848 
  :Gr, 
  noun 
  meaning 
  

   dew, 
  a 
  drop 
  of 
  dev/; 
  

   the 
  goddess 
  of 
  the 
  

   dew. 
  Fem, 
  ) 
  (Cuvierina 
  

   is 
  dedicated 
  to 
  Geor- 
  

   ges 
  Leopold, 
  Baron 
  

   Cuvier, 
  a 
  French 
  na- 
  

   tural! 
  st 
  , 
  1769-1832, 
  

   Feminine 
  , 
  ) 
  

  

  Cuvi 
  er 
  ina 
  columnella 
  Rang 
  (such 
  is 
  Rang's 
  

   spelling; 
  Dall 
  writes 
  "columella" 
  and 
  in 
  

   Trans, 
  'Yagner 
  Inst, 
  vol.3, 
  part 
  II, 
  page 
  

   431 
  explains 
  : 
  "The 
  specific 
  name 
  "columel 
  

   la" 
  of 
  this 
  species 
  is 
  a 
  good 
  Latin 
  word 
  

   and 
  stands 
  in 
  no 
  need 
  of 
  alteration 
  into 
  

   "columnella" 
  as 
  some 
  inexperienced 
  wri- 
  

   ters 
  have 
  hastily 
  concluded." 
  Despite 
  

   this 
  remark, 
  columnella 
  is 
  the 
  original 
  

   spelling. 
  ) 
  

  

  ' 
  II. 
  SUPERFAJIILY 
  PSEUDOTHSCO 
  SOI 
  -TATA 
  

  

  . 
  (Gr. 
  pseudes, 
  false 
  -i- 
  theca, 
  a 
  case, 
  box 
  — 
  soma, 
  somat-, 
  body. 
  A 
  

   pseudo 
  conch 
  is 
  formed 
  by 
  connective 
  tissue. 
  Adult 
  v/ithout 
  shell.) 
  

  

  1, 
  Family 
  Peraclid 
  ae. 
  (Prom 
  Lat, 
  per, 
  meaning 
  exaggeration 
  -*- 
  aclis,a 
  

  

  