﻿20 
  MARINE 
  MOLLUSCA 
  DESCRIBED 
  BY 
  P. 
  P. 
  CARPENTER 
  

  

  British 
  Museum 
  (Exclusive 
  of 
  Mazatlan 
  Collection) 
  

   Pelecypoda 
  

  

  Humilaria 
  kennerleyi 
  ( 
  Reeve 
  ) 
  = 
  [ 
  Carpenter 
  ms.], 
  described 
  as 
  Venus 
  

  

  Gari 
  rubroradiata 
  (Nuttall 
  ms. 
  Carpenter), 
  described 
  as 
  Psammobia 
  and/or 
  Sanguino- 
  

  

  laria=G. 
  calif 
  ornica 
  (Conrad) 
  

   "I'enus 
  (Cliioue) 
  excaz'ata" 
  =young 
  of 
  Chione 
  undatella 
  Sowerby 
  

  

  Gastropoda 
  

  

  Callopouuj 
  ? 
  fluctatnni 
  var. 
  drfrcssuin 
  

  

  Cerithidea 
  hcgez^'ischii 
  albonodosa, 
  descrilwd 
  as 
  C. 
  albonodosa 
  

  

  Crepidula 
  rugosa 
  Nuttall 
  ms., 
  Carpenter=C 
  onyx 
  Sowerby 
  

  

  Fissurella 
  ornata 
  Nuttall 
  ms., 
  Carpenter=F. 
  volcano 
  Reeve 
  

  

  Olivella 
  intorta 
  

  

  Ocenebra 
  poulsoni, 
  described 
  as 
  Ocincbra 
  Poulsoni 
  

  

  Amphineura 
  

  

  Chiton 
  acutus=Mopalia 
  acuta 
  

  

  Cyanoplax 
  hartxveyii 
  nuttallii, 
  described 
  as 
  Chiton 
  nuttalli 
  

  

  Ischnochiton 
  regular 
  is, 
  described 
  as 
  Chiton 
  

  

  Chiton 
  montereyensis=Mopalia 
  lignosa 
  (Gould) 
  

  

  Museum 
  of 
  Paleontology, 
  University 
  of 
  California 
  

   Gastopoda 
  

  

  Atvania 
  acutelirata. 
  described 
  as 
  Rissoa. 
  No. 
  15572 
  

  

  Ocenebra 
  squamulifera 
  (Cari>enter 
  in 
  Gabb), 
  described 
  as 
  Trophon. 
  No. 
  15459 
  

  

  Trophonopsis 
  triangulatus, 
  described 
  as 
  Trophon. 
  No. 
  12572 
  lectotype 
  ; 
  also 
  U.S.N.M. 
  

  

  Admete 
  gracilior, 
  descri])ed 
  as 
  Cancellaria. 
  No. 
  15530-15531 
  

  

  Acteocina 
  planata, 
  described 
  as 
  Cylichna. 
  No. 
  33501 
  

  

  Paleontologicai. 
  Laboratory, 
  Cok.mell 
  University 
  

   Gastropoda 
  

  

  Opalia 
  tnsculpta, 
  described 
  as 
  O. 
  ( 
  ? 
  crenatoidcs 
  var.). 
  No. 
  4950 
  

   Ocenebra 
  tenuisculpta, 
  described 
  as 
  Trophon. 
  No. 
  4951 
  

   Amphineura 
  

   Mopalia 
  plumosa=M. 
  acuta. 
  No. 
  25530, 
  Newcomb 
  Collection 
  

  

  Redpath 
  Museum, 
  McGill 
  University 
  

   Pelecypoda 
  

  

  Ostrea 
  lurida. 
  No. 
  125 
  

  

  Modiolus 
  fornicatus, 
  described 
  as 
  Modiola. 
  No. 
  3133 
  

  

  Miodontiscus 
  prolongatus, 
  described 
  as 
  Miodon. 
  No. 
  2377; 
  also 
  U.S.N.M. 
  

  

  Axinopsida 
  sericata, 
  described 
  as 
  Cryptodon. 
  No. 
  112; 
  al.so 
  U.S.N.M. 
  

  

  Pristcs 
  oblongus. 
  No. 
  15372; 
  also 
  U.S.N.M. 
  

  

  Psephidia 
  salmonea, 
  described 
  as 
  Pscphis. 
  No. 
  115 
  ; 
  also 
  U.S.N.M. 
  

  

  Darlna 
  declivis. 
  No. 
  101 
  

  

  Gastropoda 
  

   Acmaea 
  triangularis 
  (casta 
  ms. 
  as 
  Nacella). 
  No. 
  2370; 
  also 
  U.S.N.M. 
  

   Bittium 
  artnillatu7n. 
  No. 
  4851 
  ; 
  also 
  U.S.N.M. 
  

   Opalia 
  bullata^O. 
  spongiosa. 
  No. 
  76 
  

  

  Chemnitzia 
  crebrifilata 
  Carpenters 
  7i(r/;r»ji7 
  /a 
  tenuicula 
  (Gould). 
  No. 
  2363 
  

   Turbonilla 
  stylina, 
  described 
  as 
  Chemnitzia. 
  No. 
  5729. 
  Also 
  U.S.N.M. 
  

  

  