﻿158 
  

   Augustus 
  Addison 
  

   Gould, 
  M.D. 
  , 
  an 
  A- 
  

   merican 
  naturalist, 
  

   1805-1866. 
  )(Fem.) 
  

  

  II. 
  SUP 
  ERFA^IILY 
  CARD 
  IT 
  ACS 
  A 
  

  

  (Gr, 
  cardia, 
  heart; 
  these 
  shells 
  remind 
  one 
  of 
  a 
  heart. 
  A 
  little 
  heartj 
  

  

  1, 
  F 
  amily 
  Carditidae 
  . 
  (Gr, 
  cardia, 
  heart.) 
  

  

  [ 
  Cardita 
  floridana 
  Conrad 
  (from 
  Florida.) 
  

   a) 
  Genus 
  Cardita 
  Bru 
  - 
  j 
  Cardita 
  gracilis 
  Shuttleworth 
  (graceful, 
  

   puiere 
  1792 
  . 
  (gem7) 
  slender 
  71 
  

  

  [ 
  Cardita 
  dominguen 
  s 
  is 
  Orbigny 
  (from 
  Santo 
  

   :_ 
  Domingo, 
  West 
  Indies. 
  ) 
  

  

  j 
  Vene 
  ri 
  cardia 
  armill 
  a 
  Dall 
  (Lat. 
  a 
  brace- 
  

  

  Vene 
  r 
  icardia 
  "borealis 
  Conrad 
  (northern, 
  

   boreal; 
  found 
  from 
  Labrador 
  to 
  Cape 
  Hat- 
  

   teras. 
  ) 
  

  

  Venericardi 
  a 
  horealis 
  novangliae 
  Morse 
  

   (novangliae: 
  of 
  New 
  England, 
  Found 
  from 
  

   Newfoundland 
  to 
  Cape 
  Cod.) 
  

  

  Venericardia 
  tridentata 
  Say 
  (three-too 
  the< 
  I; 
  

   one 
  valve 
  has 
  two 
  teeth, 
  the 
  other 
  only 
  

   one. 
  ) 
  

  

  Venericardia 
  perplana 
  Conrad 
  (very 
  flat; 
  

  

  ! 
  flattened.! 
  

  

  j 
  Vene 
  ri 
  cardia 
  fla 
  bell 
  a 
  Conrad 
  (Lat, 
  fla- 
  

  

  fan. 
  ) 
  

  

  b 
  ) 
  G 
  enus 
  Venericardi 
  a 
  

   Lamarck 
  1801 
  . 
  (Lat 
  . 
  

   Venus, 
  Veneris, 
  

   Venus 
  -;- 
  Gr. 
  cardia, 
  

   heart, 
  Venus 
  heart. 
  

   Fem, 
  ) 
  

  

  1 
  be 
  Hum, 
  a 
  fan; 
  shaped 
  like 
  a 
  

   J 
  Venericardia 
  smithi 
  Dall 
  ( 
  Named 
  for 
  E.A, 
  

   I 
  Smith, 
  a 
  British 
  malacologist, 
  of 
  the 
  

   ' 
  British 
  Museum.) 
  

  

  2. 
  Family 
  Corbiculidae 
  . 
  (Lat. 
  corbicula, 
  

   called 
  Family 
  Cyrenidae 
  (Gr, 
  Cyrene, 
  

  

  a 
  little 
  basket.) 
  Formerly 
  

   the 
  name 
  of 
  several 
  nymphs.) 
  

  

  a 
  ) 
  G 
  enus 
  Polymesoda 
  Ra 
  - 
  

   finesqu 
  e 
  182 
  8. 
  ( 
  Gr 
  , 
  

   polys, 
  many 
  -- 
  mesos, 
  

   middle, 
  center. 
  Sub- 
  

   triangular 
  in 
  appea- 
  

   rance, 
  Fem.) 
  

  

  b 
  ) 
  Genus 
  Pseudocyrena 
  

   Bourguigna 
  t 
  1854. 
  

   (Gr. 
  pseudes, 
  false 
  

   -.- 
  Cyrene, 
  a 
  nymph. 
  

   Considered 
  before 
  as 
  

   a 
  subgenus 
  of 
  Poly- 
  

   mesoda. 
  Fem.) 
  

  

  ■ 
  Polyme 
  so 
  da 
  alabamensis 
  Clessin 
  (from 
  Ala- 
  

   ! 
  bama.) 
  

  

  1 
  Polymesoda 
  caroliniana 
  Bosc 
  ( 
  C 
  ar 
  o 
  1 
  i 
  na 
  ; 
  

   ' 
  found 
  from 
  the 
  Carolinas 
  to 
  Texas.) 
  

  

  I 
  Pseudocyrena 
  floridana 
  Conra 
  d 
  (Florida; 
  

   I 
  it 
  ranges 
  from 
  Florida 
  to 
  Texas.) 
  

   i 
  Pseudocyrena 
  floridana 
  protexta 
  Conrad 
  

   ! 
  (v/oven 
  in 
  front, 
  intertwined.") 
  

   Pseudocyrena 
  floridana 
  sarasotensis 
  Hen 
  - 
  

   ! 
  derson 
  (from 
  Sarasota, 
  West 
  Florida.) 
  

  

  3. 
  Family 
  Cyrenoididae 
  . 
  (Gr, 
  Cyrene, 
  the 
  name 
  of 
  several 
  nymphs 
  ->- 
  

   oid-, 
  ending 
  denoting 
  resemblance; 
  resembling 
  a 
  Cyrena.) 
  

  

  Genus 
  Cyrenella 
  Des 
  - 
  

   hayes 
  185 
  5. 
  (Fem.) 
  

  

  i 
  Cyrenella 
  florida 
  na 
  Dall 
  ( 
  Fl 
  o 
  r 
  i 
  da 
  , 
  ) 
  

  

  