﻿INDEX. 
  

  

  [Italicized 
  figures 
  (as 
  SoS) 
  refer 
  To 
  pages 
  where 
  the 
  name 
  is 
  defined, 
  or 
  where 
  the 
  distribution 
  of 
  the 
  

  

  species 
  is 
  given.] 
  

  

  Page. 
  

   Ahra 
  776 
  

  

  loniricallis 
  778 
  

  

  var. 
  americana 
  778 
  

  

  Adrana 
  885 
  

  

  Adranella 
  776, 
  So8, 
  885 
  

  

  casta 
  858 
  

  

  ^quipecten. 
  {See 
  also 
  Pecten) 
  SS0,8^3 
  

  

  irradians 
  830 
  

  

  operciilaria 
  830 
  

  

  Amusiura. 
  {See 
  also 
  Pecten) 
  .... 
  890, 
  829, 
  831, 
  833 
  

  

  fenestratuin 
  84 
  1 
  

  

  pleuronectes 
  826 
  

  

  sp 
  841 
  

  

  Amussioj)ecten 
  833 
  

  

  burdigalensis 
  833 
  

  

  Anoniia 
  828 
  

  

  Area 
  adversidentata 
  842 
  

  

  anrita 
  846 
  

  

  caudatrt 
  855 
  

  

  heterodonta 
  842 
  

  

  pectnncviloides 
  845 
  

  

  profnndicola 
  844 
  

  

  Arcidip 
  842 
  

  

  Astarte 
  nana 
  798 
  

  

  Astartidaj 
  798 
  

  

  Axiiiodou 
  776, 
  79o, 
  797 
  

  

  ellipticus 
  795, 
  796 
  

  

  Axinopsis 
  776, 
  794, 
  795 
  

  

  cordata 
  795 
  

  

  orbiculata 
  792, 
  794 
  

  

  var. 
  inequalis 
  794 
  

  

  Axinulus. 
  (See 
  also 
  Crj-ptodon) 
  716,790 
  

  

  brevis 
  790 
  

  

  Axinus 
  784 
  

  

  croulinensis 
  786 
  

  

  ferruginosus 
  793 
  

  

  Barbatia 
  842 
  

  

  Bathyarca 
  776, 
  S4,2 
  

  

  ab 
  yssornm 
  843, 
  844 
  

  

  anomala 
  843, 
  844 
  

  

  culebrensia 
  843 
  

  

  glacialis 
  843 
  

  

  glomerula 
  843, 
  844 
  

  

  imitata 
  843 
  

  

  iniequisculpta 
  843, 
  844 
  

  

  pectunculoides 
  842, 
  845 
  

  

  var. 
  crenulata 
  . 
  . 
  . 
  843 
  

  

  freilei 
  843 
  

  

  grandis 
  ... 
  842,843 
  

   orbiculata... 
  843 
  

   sept 
  en 
  tr 
  io- 
  

  

  nalis 
  843 
  

  

  polycyma 
  843 
  

  

  Proc. 
  N. 
  M. 
  vol. 
  XX 
  57 
  

  

  843, 
  

  

  Bathyarca 
  profnndicola 
  

  

  pteroessa 
  

  

  Bentharca 
  776, 
  

  

  adversidentata 
  

  

  asperula 
  842, 
  

  

  sagrinata 
  842, 
  

  

  Bornia 
  

  

  Callocardia 
  

  

  (^'eaicomya) 
  dalli 
  

  

  Camptonectes. 
  {See 
  also 
  Pecten) 
  776, 
  S2S, 
  

  

  arenatus 
  

  

  groenlandica 
  

  

  lens 
  , 
  

  

  striatus 
  

  

  tigrinus 
  

  

  Cardiolaria 
  

  

  Cardiomya 
  776, 
  

  

  abyssicola 
  

  

  costellata 
  

  

  var. 
  corpulenta 
  

  

  curta 
  

  

  gemma 
  

  

  gl.vpta 
  

  

  multicostata 
  807, 
  

  

  ornatissima 
  

  

  perrostrata 
  

  

  sp 
  

  

  striata 
  

  

  Cetochonca 
  

  

  atypha 
  

  

  nitida 
  

  

  Cetomya 
  

  

  sp 
  

  

  Chlamys. 
  {See 
  also 
  Pecteti) 
  . 
  . 
  776, 
  827, 
  830, 
  831, 
  

  

  benedicti 
  

  

  cliutonius 
  831, 
  

  

  costellata 
  

  

  islandica 
  827, 
  

  

  varia 
  

  

  Choristodon 
  ? 
  cancellatus 
  

  

  Clausina 
  croulinensis 
  

  

  Clidiophora 
  

  

  gouldiana 
  

  

  inornata 
  

  

  trilineata 
  

  

  Crenella 
  fragilis 
  

  

  Cryptodon 
  776,754,785,795, 
  

  

  (Axinulus) 
  brevis 
  

  

  croulinensis 
  

  

  var. 
  altus 
  

  

  equalis 
  

  

  ( 
  Axinulu 
  s) 
  ferruginosus 
  793, 
  

  

  liexuosus 
  784, 
  

  

  897 
  

  

  844 
  

   843 
  

   842 
  

   842 
  

   843 
  

   843 
  

   779 
  

   817 
  

   817 
  

   829 
  

   828 
  

   837 
  

   828 
  

   828 
  

   828 
  

   85 
  1 
  

   798 
  

  

  sne 
  

  

  S09 
  

   810 
  

   808 
  

   810 
  

   809 
  

  

  SU 
  

   815 
  

   776 
  

   815 
  

   833 
  

   S34 
  

   838 
  

   835 
  

   834 
  

   834 
  

   778 
  

   786 
  

   776 
  

   820 
  

   819 
  

   820 
  

   847 
  

   797 
  

   790 
  

   786 
  

   787 
  

   788 
  

   794 
  

   788 
  

  

  