﻿name 
  arbitrarily 
  

   given 
  to 
  thi 
  s 
  type 
  

   of 
  shell 
  "by 
  Adanson 
  

   in 
  1757. 
  Used 
  in 
  

   the 
  feminine 
  hy 
  con- 
  

   chologists. 
  ) 
  

  

  169 
  

  

  William 
  H. 
  Dall.) 
  

   Pitar 
  zonata 
  Pal 
  l 
  (with 
  zones, 
  "bands.) 
  

   Pi 
  ta 
  r 
  cordata 
  Sch\?yengel 
  ( 
  He 
  art- 
  shape 
  d 
  . 
  ) 
  

   Pitar 
  vesica 
  Dall 
  (a 
  "bladder; 
  rounded 
  

  

  va 
  te 
  71 
  

   Pitar 
  pilula 
  (Dall) 
  Rehder 
  (a 
  pill; 
  shell 
  

  

  small, 
  smooth; 
  height 
  5.9mm.; 
  length 
  

  

  6 
  mm.; 
  breadth 
  4.2 
  mm.) 
  

   Pit 
  ar 
  venusta 
  D 
  all 
  (graceful, 
  elegant.) 
  

   Pitar 
  dione 
  Linne 
  ( 
  Dione, 
  the 
  mother 
  

  

  Venus.) 
  

  

  of 
  

  

  i) 
  Gen 
  us 
  Gouldi 
  a 
  C.B 
  . 
  

   Adams 
  184 
  5 
  . 
  rNamed 
  

   for 
  Augustus 
  Addi- 
  

   son 
  Gould, 
  M.D.,an 
  

   American 
  naturalist, 
  

   1805-1866.) 
  In 
  John- 
  

   son's 
  List, 
  Gouldia 
  

   was 
  the 
  tb 
  me 
  of 
  what 
  

   is 
  now 
  Genus 
  Crassi- 
  

   nella 
  Guppy 
  1874. 
  

   Genus 
  Gouldia 
  of 
  the 
  

   "Veneridae 
  Pamily 
  was 
  

   formerly 
  known 
  as 
  

   Ga 
  fra 
  r 
  iiom 
  Rbding 
  1798 
  

   ^Gaf 
  rarium 
  v;as 
  proba- 
  

   bly 
  for 
  Grafarium, 
  a 
  

   point, 
  a 
  style; 
  shell! 
  

   is 
  trigonal-ovate. 
  i 
  

   Gafrarium 
  was 
  neuter.) 
  i 
  

   Gouldia 
  is 
  f 
  em. 
  ) 
  *- 
  

  

  j 
  ) 
  Genus 
  C 
  a 
  llista 
  Pol 
  i 
  | 
  

   1791 
  . 
  ^Superlative 
  of! 
  

   calos, 
  beautiful 
  ;veryj 
  

   beautiful, 
  Fem, 
  ) 
  i 
  

  

  Gouldia 
  cerina 
  C.B.Adams 
  (waxy; 
  color 
  

  

  white 
  or 
  yellowish 
  white.) 
  

  

  Gouldia 
  insularis 
  Dall 
  & 
  Simpson 
  ( 
  Lat 
  , 
  

  

  insula, 
  an 
  island; 
  of 
  an 
  island; 
  found 
  

  

  in 
  Puerto 
  Rico. 
  ) 
  

  

  k) 
  Genus 
  I'lacro 
  callista 
  

   Meek 
  187 
  6. 
  {"Gr. 
  mac- 
  

   ros, 
  long 
  in 
  extent 
  

   -•- 
  callista, 
  very 
  

   beautiful. 
  Long 
  and 
  

   very 
  beautiful 
  shell, 
  

   Pem, 
  ) 
  

  

  1 
  ) 
  Gen 
  us 
  Callo 
  c 
  a 
  r 
  d 
  i 
  a^ 
  A 
  . 
  

   Adams_1864 
  , 
  "To 
  alio 
  

   may 
  be 
  taken 
  from 
  

   Lat. 
  callosus, 
  cal- 
  

   lous, 
  hard, 
  or 
  from 
  

   the 
  Gr. 
  calos, 
  beau- 
  

   tiful 
  -!- 
  cardia, 
  a 
  

   heart, 
  Callocardia 
  

   may 
  then 
  mean 
  hard 
  

   heart 
  (the 
  shell 
  is 
  

   strongly 
  inflated) 
  , 
  

   or 
  beautiful 
  heart. 
  

   Fern, 
  ) 
  

  

  Callista 
  eucymata 
  Dall 
  (well 
  waved; 
  with 
  

   50 
  concentric 
  ridges 
  separated 
  by 
  deep 
  

   grooves. 
  Formerly 
  listed 
  as 
  Pitar 
  eucy 
  - 
  

   mata 
  Dal 
  l. 
  ) 
  

  

  ' 
  Macrocallis 
  t 
  a 
  nimbos 
  a 
  Solander 
  ( 
  rai 
  ny 
  ; 
  

   the 
  shell 
  is 
  pinkish 
  gray 
  with 
  lilac 
  

   bands 
  arranged 
  in 
  rays. 
  It 
  reminds 
  one 
  

   of 
  rain 
  falling 
  on 
  a 
  sunny 
  day.) 
  

  

  Macr 
  ocallista 
  maculata 
  Linne 
  ( 
  spotted; 
  

   with 
  brownish 
  red 
  blotches.) 
  

  

  Callocardia 
  texasan 
  a 
  Dall 
  ( 
  from 
  Texas 
  ; 
  

   found 
  from 
  Louisiana 
  to 
  Texas; 
  listed 
  in 
  

   Abbott's 
  American 
  Seashells 
  as 
  texasianai) 
  

  

  