﻿"b 
  ) 
  Genus 
  Ptychatractus 
  

   Stimpson 
  1865 
  ^ 
  (Gr. 
  

   ptyx, 
  ptychos, 
  a 
  

   fold, 
  folding 
  -.- 
  

   atractos, 
  a 
  spindle, 
  

   Masc.) 
  

  

  78 
  

  

  Ptychatractus 
  ligatus 
  Mighels 
  & 
  Adams 
  

   (tied, 
  "banded; 
  whorls 
  covered 
  with 
  six 
  

   or 
  seven 
  revolving 
  thread-like 
  ribs, 
  

   with 
  grooves 
  alternating.) 
  

  

  Vasum 
  muricatum 
  Bor 
  n 
  (rough, 
  

  

  and 
  raised 
  

  

  spiny, 
  Shell 
  

   horizontal 
  

  

  ) 
  Genus 
  Vasum 
  Roding 
  

   1798 
  . 
  (Lat. 
  vasum, 
  

   a 
  vase. 
  Vase 
  Shells, 
  

   Shaped 
  like 
  a 
  vase, 
  

   Neuter, 
  ) 
  

  

  has 
  "blunt 
  spines 
  

  

  lines.} 
  ; 
  

  

  Vasum 
  capi 
  t 
  ellum 
  Linne 
  (Lat, 
  the 
  capital 
  \ 
  

  

  of 
  a 
  column. 
  ) 
  

   Vasum 
  globulus 
  nuttingi 
  Henderson 
  ( 
  gl 
  obu-i 
  

   lus, 
  being 
  a 
  noun, 
  should 
  not 
  agree 
  withi 
  

   vasum; 
  it 
  means 
  a 
  little 
  globe; 
  the 
  j 
  

   shell 
  is 
  globular; 
  nuttingi: 
  Hutting's, 
  i 
  

   named 
  for 
  C 
  .C 
  .i^Tutting, 
  University 
  of 
  

  

  I 
  Iowa.) 
  

  

  : 
  Vasum 
  latiriforme 
  Re 
  hd 
  er 
  & 
  Abbott 
  ( 
  shaped 
  

  

  I 
  like 
  a 
  Latiru.s; 
  resembles 
  a 
  Latirus 
  su- 
  

  

  |_ 
  perficially, 
  ) 
  

  

  III. 
  SUPERI^Ai-'IILY 
  VOLUTACEA 
  

  

  (Lat. 
  voluta, 
  a 
  spiral 
  scroll, 
  a 
  volute. 
  The 
  shell 
  is 
  rolled 
  up 
  cylin- 
  

   drically. 
  Common 
  name: 
  Volutes,) 
  

  

  1. 
  Family 
  Olividae 
  . 
  (Lat, 
  oliva, 
  olive. 
  Common 
  name: 
  Olive 
  Shells.) 
  

  

  [ 
  Oliva 
  drangai 
  Schwengel 
  (Dranga's; 
  named 
  

   : 
  for 
  Ted 
  Dranga 
  of 
  Miami, 
  collector.) 
  

   [ 
  Oliva 
  reticularis 
  Lamarck 
  (netted, 
  with 
  a 
  

   I 
  net-work; 
  has 
  purplish 
  brown 
  reticula- 
  

   1 
  tions.) 
  

  

  j 
  Oliva 
  reticularis 
  bollingi 
  Clench 
  ( 
  Boil- 
  

   ing 
  'sTl 
  

   Oliva 
  reticularis 
  olorinella 
  Duclos 
  (di- 
  

  

  a) 
  Genus 
  Oliva 
  Bru 
  - 
  

   gu 
  iere 
  1789 
  . 
  (Eem.) 
  

  

  b) 
  Genus 
  Olivella 
  Swain- 
  

   son 
  1851 
  . 
  ( 
  Diminutive 
  

   of 
  oliva; 
  little 
  

   olive, 
  Fern.) 
  

  

  minutive 
  of 
  Lat. 
  olorinus, 
  of 
  a 
  swan, 
  

   swan-like; 
  color 
  light 
  yellow,) 
  

  

  Oliva 
  say 
  ana 
  Rav 
  e 
  nel 
  (Say's; 
  named 
  for 
  

   Thomas 
  Say, 
  a 
  famous 
  American 
  naturalist 
  

   1787-1834.) 
  

  

  Oliva 
  sayana 
  citrina 
  Johnson 
  ( 
  lemon- 
  color- 
  

   ed; 
  shell 
  is 
  uniformly 
  yellow,) 
  

  

  Oliva 
  carib 
  aeensis 
  Pall 
  (Caribbean.) 
  

  

  Olivella 
  bayeri 
  Abbott 
  ( 
  Bayer 
  ' 
  s 
  ; 
  named 
  

  

  for 
  F. 
  M. 
  Bayer 
  of 
  Miami, 
  Florida.) 
  

   Olivella 
  bullula 
  Reeve 
  (little 
  bubble; 
  

  

  shell 
  rather 
  inflated.) 
  

   Olivella 
  floralia 
  Duclos 
  (floral; 
  all 
  

  

  white, 
  often 
  with 
  some 
  blue. 
  Apex 
  white, 
  

  

  purplish 
  or 
  orange.) 
  

   Olivella 
  .jaspidea 
  Gmelin 
  ( 
  jaspered; 
  shell 
  

  

  whitish 
  overlaid 
  with 
  a 
  slate-colored 
  o: 
  

  

  purplish 
  and 
  brown 
  pattern.) 
  

   O 
  livella 
  jaspi 
  dea 
  fu 
  scocincta 
  Pall 
  (gir- 
  

   dled 
  v\;-ith 
  brown; 
  shell 
  pale 
  fawn-color 
  

  

  with 
  a 
  white 
  revolving 
  band.) 
  

  

  