﻿d 
  ) 
  Genu 
  s 
  C 
  ardiomya 
  A. 
  

   Adams 
  1864. 
  Tcr. 
  

   cardia, 
  a 
  heart 
  — 
  

   mya, 
  a 
  sea-mussel. 
  

   rem. 
  ) 
  

  

  186 
  

   M^oneraruginosa 
  Jeffreys 
  (wrinkled; 
  sur- 
  

   face 
  covered 
  with 
  very 
  numerous 
  and 
  

   crowded 
  concentric 
  lines 
  of 
  growth.) 
  

  

  Cardiomya 
  cost 
  ellat 
  a 
  Deshaye 
  s 
  ( 
  having 
  

   little 
  radiating 
  rilDsTl 
  1 
  

  

  Cardiqinya 
  c 
  ostel 
  l 
  ata 
  corpul 
  enta 
  Pall 
  | 
  

  

  " 
  (very 
  fat; 
  short 
  and 
  high, 
  with 
  a 
  very 
  ; 
  

   short 
  rostrum 
  or 
  handle.) 
  j 
  

  

  Cardiomya.^ 
  gemraa 
  Verrill 
  & 
  Bush 
  ( 
  gem 
  ; 
  j 
  

   shell 
  small, 
  translucent 
  , 
  bluish 
  v.rhi- 
  . 
  

   te; 
  probahly 
  a 
  young 
  specimen 
  of 
  C. 
  cos-j 
  

   tellata 
  Deshayes.) 
  : 
  

  

  Cardiomya 
  glypta 
  Bush 
  (carved, 
  sculptu- 
  

   red 
  5 
  surface 
  sculptured 
  with 
  broad 
  ra- 
  

   diating 
  lines. 
  ) 
  

  

  C 
  ardiomya 
  multicostata 
  Verrill 
  & 
  Smith 
  

   (with 
  many 
  radiating 
  ribs. 
  ) 
  

  

  Cardiomya 
  ornati 
  ssi 
  ma 
  Orbigny 
  (very 
  

   much 
  ornamented 
  I 
  seven 
  to 
  nine 
  sharp 
  

   prominent 
  ribs.) 
  

  

  Cardiomya 
  perrostrata 
  Pall 
  (much 
  rostra- 
  

   te, 
  beaked. 
  ) 
  

  

  C 
  ardiom 
  y 
  a 
  striata 
  Jeffreys 
  (striated.) 
  

  

  