﻿t> 
  ) 
  Genus 
  H 
  ipponix 
  De 
  - 
  

   f 
  ranee 
  1819. 
  (Masc 
  . 
  ) 
  

  

  50 
  

   depth 
  of 
  

  

  the 
  sea 
  -'- 
  philo, 
  to 
  like; 
  lov 
  

  

  4 
  

  

  of 
  the 
  depths; 
  found 
  in 
  50-373 
  fathoms.)! 
  

   Hipponi 
  x 
  subru 
  fus 
  s 
  ubrufus 
  Lamarck 
  (some- 
  

   what 
  red; 
  light 
  orange-brown, 
  ) 
  

  

  2. 
  Family 
  Va 
  n 
  ikoridae 
  . 
  (Named 
  after 
  Vanikoro, 
  

   Pacific 
  Ocean, 
  where 
  the 
  French 
  navigator 
  

   assassinated 
  by 
  the 
  natives 
  in 
  1788.) 
  

  

  an 
  island 
  of 
  the 
  South 
  

   La 
  Perouse 
  perished 
  

  

  Genus 
  Vani 
  ko 
  ro 
  Quoy 
  ■ 
  Vaniko 
  ro 
  oxychone 
  Morch 
  (Gr. 
  oxys, 
  sharp 
  

   & 
  Gaimard 
  ISSS 
  .'fMasc 
  j 
  : 
  -nchone, 
  funnel; 
  shell 
  has 
  a 
  large 
  aper- 
  

  

  ' 
  ture, 
  and 
  a 
  deep, 
  narrow 
  umbilicus.) 
  

  

  VI. 
  SUPERFAMILY 
  CALYPTRAEACEA 
  

  

  (Gr. 
  calyptra, 
  a 
  veil, 
  hood. 
  Shell 
  basin- 
  shaped 
  serving 
  as 
  a 
  cover 
  to 
  

   the 
  animal 
  . 
  ) 
  

  

  1. 
  Pamily 
  Trichotropidae 
  . 
  (Gr. 
  trichs, 
  trlchos, 
  hair 
  

   bottom. 
  The 
  periostraciAm 
  is 
  liairy.) 
  

  

  tropis, 
  keel. 
  

  

  a 
  ) 
  Genus 
  Trichotropis 
  

   Brod 
  erip 
  & 
  3ov/erby 
  

   18297rFem.y 
  

  

  b 
  ) 
  Genus 
  Torellia 
  Loven 
  

   1867. 
  (Dedicated 
  to 
  

   0. 
  Torell, 
  a 
  natura- 
  

   list. 
  Fem. 
  ) 
  

  

  c) 
  Ge 
  nus 
  Cre 
  p 
  itacella 
  

   Guppy 
  1867. 
  (Lat 
  , 
  

   crepitacillura, 
  a 
  

   rattle 
  (a 
  child's 
  

   toy) 
  . 
  Formerly 
  call- 
  

   ed 
  Dolophanes 
  Gabb 
  

  

  1872, 
  Fem.) 
  

  

  Trichotropis 
  bicarinata 
  Sowerby 
  ( 
  two- 
  

   keeled; 
  has 
  two 
  strong 
  carinae 
  at 
  the 
  

   periphery, 
  ) 
  

  

  Trichotropis 
  borealis 
  Broderip 
  & 
  Sowerby 
  

   ( 
  northern. 
  ) 
  

  

  Trichotropis 
  borealis 
  costellata 
  Couthou 
  y 
  

   ( 
  costellata: 
  ribbed; 
  encircled 
  by 
  many 
  ' 
  

   ribs, 
  some 
  prominent.) 
  

  

  Trichotropis 
  conica 
  Moller 
  (conical.) 
  

  

  Trichotropis 
  migrans 
  Pall 
  (migrant, 
  mi- 
  

   gratory; 
  the 
  first 
  of 
  the 
  genus 
  to 
  be 
  

   found 
  in 
  tropical 
  waters.) 
  

  

  T 
  richotropis 
  nuda 
  Pall 
  (nude, 
  bare, 
  de- 
  

   prived 
  of 
  ornament; 
  no 
  hairy 
  periostra- 
  

   cum, 
  ) 
  

  

  Tric 
  h 
  otropis 
  turrita 
  Pall 
  (turrited.) 
  

  

  ' 
  Torellia 
  fimbriata 
  Verrill 
  & 
  Smith 
  ( 
  frin- 
  

   ged; 
  on 
  the 
  last 
  whorl 
  there 
  are 
  about 
  

   ten 
  carinae, 
  each 
  of 
  v;^hich 
  has 
  long 
  

  

  j 
  epidermal 
  hairs.) 
  

  

  ! 
  Torellia 
  vestita 
  Jeffreys 
  (dressed, 
  coverf 
  

  

  L 
  edTT 
  

  

  Crepitacel 
  l 
  a 
  columbella 
  Pall 
  (dove-color. 
  

  

  Crepit 
  acella 
  gab 
  b 
  i 
  Pall 
  (Gabb's; 
  named 
  

   for 
  ¥, 
  M,' 
  Gabb, 
  1839-1878.) 
  

  

  Crepitacella 
  leucophlegma 
  Pall 
  (white 
  in- 
  

   flamraation; 
  shell 
  pearly 
  white 
  with 
  ra- 
  

   pidly 
  enlarging 
  v/horls, 
  roundly 
  inflatecj 
  

  

  Crepita 
  ce 
  lla 
  ve 
  s 
  talis 
  Rehder 
  (belonging 
  

   to 
  Vesta, 
  the 
  virgin 
  goddess 
  of 
  the 
  

   hearth; 
  pure; 
  shell 
  yellowish 
  white.) 
  | 
  

  

  d 
  ) 
  Genus 
  Sepa 
  ra 
  t 
  i 
  sta 
  

   Gray 
  1847 
  , 
  (Tat. 
  

   separare, 
  to 
  separ- 
  

   ate. 
  A 
  dissenter, 
  Masc^ 
  

  

  Sepa 
  r 
  atista 
  cingulatus 
  Verrill 
  

  

  shell 
  strongly 
  spirally 
  _ 
  

   strongly 
  bicarinate 
  periphery.) 
  

  

  (with 
  beHt 
  

  

  grooved, 
  with 
  a 
  

  

  