﻿176 
  MARINE 
  MOLLUSCA 
  DESCRIRKD 
  RV 
  P. 
  P. 
  CARPENTER 
  

  

  Bay, 
  and 
  Espiritu 
  Santo 
  Island, 
  Lower 
  California 
  (Bequaert). 
  See 
  Table 
  2 
  for 
  stratigraphic 
  

   distribution. 
  

  

  Faniilj' 
  Ci-:KiTiinn.\K 
  

   Genus 
  Bittium 
  Leach 
  in 
  Gray, 
  1847 
  

  

  Bittit07t 
  Leach 
  in 
  Gray, 
  1847, 
  Ann. 
  Mag. 
  Nat. 
  Hist., 
  vol. 
  XX, 
  p. 
  270 
  

  

  Type 
  species 
  by 
  subsequent 
  designation, 
  Gr.ay, 
  1847, 
  Zool. 
  Soc. 
  London, 
  Proc, 
  pt. 
  XV, 
  

   p. 
  154; 
  Mxircx 
  reticulatus 
  Montagu, 
  1803, 
  Testacca 
  Britannica, 
  p. 
  272 
  = 
  B. 
  reticulatum 
  

   (da 
  Costa), 
  1778, 
  British 
  Conch., 
  p. 
  117, 
  pi. 
  8, 
  fig. 
  13. 
  Living. 
  Europe. 
  Harmek, 
  1918, 
  

   Palaeont. 
  Soc, 
  1916, 
  LXX, 
  p. 
  414, 
  pi. 
  XLI, 
  figs. 
  1-3 
  

  

  Subgenus 
  Semibittium 
  Cossmann, 
  1896 
  

  

  Scmibittmn 
  Cossmann, 
  1896, 
  Cat. 
  Illus. 
  Coq. 
  Fos. 
  Env. 
  Paris, 
  app. 
  2, 
  Soc. 
  Roy. 
  Malacol. 
  

  

  Belgique, 
  vol. 
  XXXI, 
  p. 
  29 
  

   Type 
  species 
  by 
  subsequent 
  designation, 
  Cossmann, 
  1906, 
  Essais 
  Paleoconch. 
  Comp., 
  vol. 
  7, 
  

  

  p. 
  138; 
  Ccrithium 
  canccllatum 
  Lamakck, 
  1804, 
  Ann. 
  du. 
  Mus. 
  d'Hist. 
  Nat., 
  t. 
  3, 
  p. 
  437; 
  

  

  Lutetian 
  Eocene. 
  France. 
  Deshayes, 
  1837, 
  Desc. 
  Coq. 
  Fos. 
  Env. 
  Paris, 
  t. 
  II, 
  Atlas, 
  pi. 
  

  

  LIII, 
  f^gs. 
  26-29; 
  Cossmann, 
  1896, 
  Cat. 
  Illus. 
  Coq. 
  Fos. 
  Env. 
  Paris, 
  app 
  2, 
  pi. 
  IX, 
  

  

  figs. 
  7-8 
  

  

  Bittium 
  (Semibittium) 
  armillatum 
  (Carpenter) 
  

   (PI. 
  22, 
  fig. 
  10) 
  

  

  Bittium 
  armillatum 
  Carpenter, 
  1864b, 
  p. 
  539, 
  613, 
  655; 
  Reprint, 
  1872, 
  p. 
  25, 
  99, 
  141; 
  1866. 
  

   Ann. 
  Mag. 
  Nat. 
  Hist., 
  ser. 
  3, 
  vol. 
  XVII, 
  p. 
  276; 
  Reprint, 
  1872, 
  p. 
  323; 
  ? 
  Cooper, 
  1867, 
  

   Geog. 
  Cat. 
  Moll., 
  Geol. 
  Sur. 
  California, 
  p. 
  28; 
  ? 
  Cooper, 
  1870, 
  Amer. 
  Jour. 
  Condi., 
  vol. 
  

   VI, 
  p. 
  63 
  Smith 
  and 
  Gordon, 
  1948, 
  California 
  Acad. 
  Sci., 
  Proc, 
  ser. 
  4, 
  vol. 
  XXVI, 
  p. 
  

   195 
  doubt 
  the 
  record; 
  Trvox, 
  1887, 
  Man. 
  Conch., 
  vol. 
  IX, 
  p. 
  158 
  list 
  only 
  

  

  Bittium 
  {Semibittium) 
  armillatum 
  (Carpenter), 
  Bartsch, 
  1911, 
  U. 
  S. 
  Nat. 
  Mus., 
  Proc, 
  vol. 
  

   40, 
  p. 
  391, 
  pi. 
  52, 
  fig. 
  6 
  type; 
  Ball, 
  1921, 
  v>. 
  146; 
  Van 
  Winkle 
  [Palmer], 
  1921, 
  Bull. 
  

   Amer. 
  Paleont, 
  vol. 
  VIII, 
  no. 
  36, 
  p. 
  4; 
  Oldroyd, 
  1927, 
  vol. 
  II, 
  pt. 
  Ill, 
  p. 
  25, 
  pi. 
  76, 
  fig. 
  6 
  

   type 
  same 
  as 
  Bartsch, 
  1911 
  ; 
  Grant 
  and 
  Gale, 
  1931, 
  p. 
  762; 
  Keen, 
  1937, 
  p. 
  30; 
  Burch, 
  

   1945, 
  no. 
  54, 
  p. 
  28, 
  31 
  ; 
  Woodring, 
  Bramlette, 
  and 
  Kew, 
  1946, 
  U. 
  S. 
  Geol. 
  Sur., 
  Prof. 
  

   Paper 
  207, 
  p. 
  68; 
  pi. 
  34, 
  fig. 
  6 
  includes 
  B. 
  piirpurem; 
  Smith 
  and 
  Gordon, 
  1948, 
  Califor- 
  

   nia 
  Acad. 
  Sci., 
  Proc, 
  ser. 
  4, 
  vol. 
  XXVI, 
  p. 
  195 
  doubt 
  Cooper's 
  record 
  of 
  Monterey 
  see 
  

   above. 
  

   "Same 
  aspect 
  [aspcrum] 
  : 
  3 
  nearly 
  equal 
  rows 
  of 
  knobs." 
  [Carpenter, 
  1864b, 
  p. 
  655] 
  

  

  Oldroyd 
  (1927) 
  republished 
  Carpenter's 
  description 
  (1866). 
  The 
  following 
  should 
  be 
  

   changed 
  in 
  that 
  copy 
  : 
  

  

  Page 
  26, 
  3d 
  line, 
  last 
  word, 
  delete 
  last 
  "ta." 
  

  

  Add 
  : 
  _ 
  

  

  "Hab. 
  S. 
  Barbara, 
  Pleistocene, 
  1 
  sp. 
  (Jezvctt). 
  S. 
  Pedro, 
  S. 
  Diego 
  (Cooper). 
  

  

  "The 
  scultpure 
  resembles 
  Cerithiopsis 
  ; 
  but 
  the 
  columella 
  is 
  pinched, 
  not 
  notched." 
  [Car- 
  

   penter, 
  1866b, 
  p. 
  276] 
  

  

  Bartsch 
  enumerated 
  the 
  details 
  of 
  the 
  shell 
  characters 
  of 
  this 
  species 
  and 
  figured 
  a 
  syn- 
  

   type. 
  The 
  label 
  of 
  that 
  syntype 
  is 
  as 
  follows: 
  "Pleistocene 
  Sta. 
  B. 
  Jewett." 
  Oldroyd 
  included 
  

   Bartsch's 
  notes 
  in 
  her 
  work. 
  There 
  is 
  a 
  well-preserved 
  syntype 
  in 
  the 
  Redpath 
  Museum 
  la- 
  

   belled, 
  "type 
  fossil. 
  Sta. 
  Barbara". 
  A 
  photograph 
  of 
  that 
  specimen 
  is 
  included 
  herein. 
  

  

  Woodring 
  (in 
  Woodring, 
  Bramlette, 
  and 
  Kew) 
  suggested 
  that 
  B. 
  purpureum 
  is 
  a 
  living 
  

   form 
  of 
  B. 
  armillatum, 
  and 
  that 
  B. 
  armillatum 
  does 
  not 
  occur 
  in 
  the 
  Recent. 
  

  

  Dimensions. 
  — 
  Length 
  9.5 
  mm.; 
  diameter 
  3.2 
  mm. 
  (syntype) 
  (Bartsch); 
  length 
  11 
  mm.; 
  

   greatest 
  diameter 
  3 
  mm. 
  (syntype, 
  Redpath 
  Museum.) 
  

  

  Syntypes. 
  — 
  U. 
  S. 
  National 
  Museum, 
  no. 
  15653; 
  Redpath 
  Museum, 
  no. 
  4851 
  

  

  Distribution. 
  — 
  Pleistocene. 
  Santa 
  Barbara, 
  California 
  (type) 
  ["two 
  miles 
  from 
  the 
  coast 
  

   and 
  150 
  feet 
  high."] 
  ; 
  (Bartsch; 
  Grant 
  and 
  Gale; 
  Woodring, 
  Bramlette, 
  and 
  Kew). 
  Recent. 
  

   Santa 
  Barbara 
  and 
  San 
  Pedro, 
  California, 
  south 
  to 
  San 
  Martin, 
  Lower 
  California 
  (Baker; 
  

   Burch). 
  

  

  Bittium 
  (Semibittium) 
  attenuatum 
  Carpenter 
  

  

  Bittium 
  attenuatum 
  Carpenter, 
  1864b, 
  p. 
  655 
  ; 
  Reprint, 
  1872, 
  p. 
  141 
  ; 
  1865, 
  Jour, 
  de 
  Conchy- 
  

   liol., 
  vol. 
  XIII, 
  p. 
  142, 
  Reprint, 
  1872, 
  p. 
  310; 
  Cooper, 
  1867, 
  Geog. 
  Cat. 
  Moll., 
  Geol. 
  Sur. 
  

  

  