﻿nASTROPODA 
  175 
  

  

  "Large, 
  with 
  aspect 
  of 
  Elephantnlnin, 
  but 
  very 
  fine 
  close 
  annular 
  sculpture; 
  plug 
  sub- 
  

   ungulate. 
  8-20 
  fm. 
  Cp." 
  [Carpenter, 
  1864b, 
  p. 
  655] 
  

  

  Oldroyd 
  (1927) 
  republished 
  Carpenter's 
  description 
  (1866). 
  To 
  her 
  copy 
  the 
  following 
  

   lines 
  should 
  be 
  added 
  : 
  

  

  "State 
  Collection, 
  no. 
  388." 
  

  

  "Hab. 
  San 
  Diego, 
  8-10 
  fms., 
  12; 
  Alonterey, 
  20 
  fms., 
  20, 
  some 
  alive; 
  Santa 
  Barbara, 
  20 
  

   fms., 
  3 
  Cooper. 
  

  

  "Has 
  the 
  aspect, 
  but 
  not 
  the 
  sculpture, 
  of 
  an 
  Elcphantulum." 
  [Carpenter, 
  1866a, 
  p. 
  216] 
  

  

  The 
  syntypes 
  (two 
  specimens) 
  in 
  the 
  U. 
  S. 
  National 
  Museum 
  arc 
  on 
  an 
  original 
  Car- 
  

   penter 
  glass 
  mount 
  with 
  an 
  original 
  label 
  "State 
  Coll. 
  388". 
  

  

  Syntypes. 
  — 
  U. 
  S. 
  National 
  Museum, 
  no. 
  14930 
  

  

  Distribution. 
  — 
  Recent. 
  San 
  Diego, 
  California 
  (type) 
  ; 
  Forrester 
  Island, 
  Alaska, 
  south 
  to 
  

   San 
  Martin 
  Island, 
  Lower 
  California 
  (Baker). 
  Pleistocene. 
  California 
  (Arnold; 
  Oldroyd, 
  

   1925; 
  Grant 
  and 
  Gale; 
  Willett, 
  1937; 
  W'oodring, 
  Bramlette, 
  and 
  Kew) 
  ; 
  Mexico 
  (Dall, 
  1892; 
  

   Jordan, 
  1926) 
  

  

  Family 
  Potamididae 
  

   Genus 
  Cerithidea 
  Swainson, 
  1840 
  

  

  Cerithidea 
  Swainson, 
  1940, 
  Treatise 
  of 
  Malacology, 
  p. 
  198, 
  203, 
  342; 
  Bequaert, 
  1942, 
  

   Johnsonia, 
  no. 
  5, 
  p. 
  1 
  ; 
  Nautilus, 
  1942, 
  vol. 
  56, 
  no. 
  1, 
  p. 
  20 
  

  

  Type 
  species 
  by 
  subsequent 
  designation, 
  Pilsbry 
  and 
  Harbison, 
  1933, 
  Acad. 
  Nat. 
  Sci. 
  

   Philadelphia, 
  Proc, 
  vol. 
  85, 
  p. 
  115 
  C. 
  obtusa 
  Lamarck, 
  1822, 
  Hist. 
  Nat. 
  An. 
  sans 
  Vert., 
  

   vol. 
  7, 
  p. 
  71 
  = 
  C. 
  lineolata 
  Griffith 
  and 
  Pidgeon, 
  1834, 
  Cuvier, 
  Animal 
  Kingdom, 
  

   Mollusca, 
  pi. 
  14, 
  fig. 
  4 
  as 
  Melania 
  =: 
  C. 
  truncatinn 
  Griffith 
  and 
  Pidgeox, 
  Cuvier, 
  Ani- 
  

   mal 
  Kingdom, 
  Mollusca, 
  p. 
  596. 
  Recent. 
  Indo-Malayan 
  

  

  Cerithidea 
  hegewischii 
  albonodosa 
  Carpenter 
  

   (PI. 
  20, 
  fig. 
  19) 
  

  

  Cerithidea 
  albonodosa 
  Carpenter, 
  in 
  Gould 
  and 
  Carpenter, 
  1856, 
  Zool. 
  Soc. 
  London, 
  Proc., 
  

   p. 
  205; 
  Carpenter, 
  1857, 
  Rept. 
  British 
  Assoc. 
  Adv. 
  Sci. 
  1856, 
  p. 
  228, 
  283, 
  325, 
  351; 
  1860, 
  

   Smith. 
  Misc. 
  Coll., 
  vol. 
  2, 
  art. 
  6, 
  p. 
  4 
  ; 
  1864b, 
  p. 
  667; 
  Reprint, 
  1872, 
  p. 
  153 
  var. 
  maaatlaniea; 
  

   1863, 
  Zool. 
  Soc. 
  London, 
  Proc, 
  p. 
  350; 
  Reprint, 
  1872, 
  p. 
  186; 
  Reeve, 
  1866, 
  Conch. 
  Icon., 
  

   vol. 
  15, 
  Cerithidea, 
  pi. 
  1, 
  figs, 
  la-b 
  

  

  Cerithidea 
  hcgczvischii 
  albonodosa 
  Carpenter, 
  Berquaert, 
  1942, 
  Nautilus, 
  vol. 
  56, 
  no. 
  1, 
  

   p. 
  25; 
  Smith, 
  M., 
  1944, 
  Panamic 
  Marine 
  Shells, 
  p. 
  18; 
  Durham, 
  1950, 
  Geol. 
  Soc. 
  Amer., 
  

   Alem. 
  43, 
  p. 
  120, 
  pi. 
  2,Z, 
  fig. 
  19 
  

  

  "C. 
  t. 
  solida, 
  C. 
  varicosae 
  simili, 
  compacta, 
  fusco-purpurea, 
  varicibus 
  et 
  nodulis 
  albis, 
  

   fasciis 
  spiralibus 
  intensioribus 
  saepe 
  ornata 
  ; 
  anfr. 
  XII 
  parum 
  convexis, 
  sutura 
  impressa 
  ; 
  

   liris 
  spiralibus 
  IV. 
  in 
  anfr. 
  penult, 
  et 
  liris 
  creberrimis 
  transversis 
  vix 
  undatis, 
  ad 
  intersec- 
  

   tiones 
  nodosis, 
  ornata; 
  varicibus 
  iii, 
  in 
  anfr. 
  ii, 
  apertura, 
  subquadrata, 
  sinu 
  minimo, 
  labio 
  baud 
  

   expanse 
  ; 
  operculo 
  subplanato, 
  nucleo 
  mucronato, 
  anfr. 
  plurimis 
  indistinctis, 
  fusco, 
  ad 
  

   marginem 
  tenuissimum 
  diaphano. 
  

  

  "Long. 
  .8, 
  long. 
  spir. 
  .57, 
  lat. 
  .Z2, 
  div. 
  20°. 
  

  

  "Hab. 
  San 
  Diego 
  ; 
  legit. 
  Dr. 
  Webb. 
  Mus. 
  Gould. 
  

  

  "Known 
  from 
  C. 
  I'aricosa 
  var. 
  Mazatkinica, 
  by 
  the 
  light 
  purplish 
  brown 
  tinge, 
  the 
  colour 
  

   of 
  which 
  wears 
  off 
  at 
  the 
  varices 
  and 
  nodules, 
  and 
  by 
  the 
  details 
  of 
  sculpture." 
  [Carpenter 
  in 
  

   Gould 
  and 
  Carpenter, 
  1856, 
  p. 
  205] 
  

  

  G. 
  L. 
  Wilkins 
  (British 
  Museum) 
  kindly 
  furnished 
  the 
  following 
  (Personal 
  communica- 
  

   tion) 
  : 
  

  

  "We 
  do 
  not 
  appear 
  to 
  have 
  the 
  specimen 
  figured 
  by 
  Reeve, 
  which 
  is 
  larger 
  than 
  that 
  

   selected 
  by 
  Carpenter 
  as 
  the 
  type 
  on 
  pp. 
  205-6, 
  P.Z.S. 
  1856 
  but 
  there 
  is 
  one 
  that 
  approximates 
  

   to 
  it 
  (17 
  mm. 
  in 
  length). 
  The 
  label 
  fits 
  very 
  well 
  and 
  runs 
  C. 
  albonodosa 
  Carp. 
  San 
  Diego 
  

   Dr. 
  Webb 
  and 
  is 
  from 
  the 
  Cuming 
  Collection. 
  If 
  this 
  does 
  not 
  prove 
  to 
  be 
  the 
  type 
  it 
  is 
  

   probably 
  a 
  reliable 
  paratype 
  and 
  may 
  have 
  been 
  sent 
  to 
  Cuming 
  by 
  Gould." 
  

  

  The 
  authorities 
  of 
  the 
  British 
  Museum 
  have 
  cooperatively 
  furnished 
  a 
  photograph 
  of 
  the 
  

   specimen 
  mentioned. 
  The 
  writer 
  selects 
  the 
  specimen 
  as 
  the 
  lecotype 
  of 
  this 
  species. 
  No 
  other 
  

   authentic 
  type 
  material 
  has 
  been 
  found. 
  

  

  Lectotype. 
  — 
  British 
  Museum 
  (Natural 
  History), 
  Department 
  of 
  Zoology, 
  no. 
  1950.11.9.2. 
  

  

  Distribution. 
  — 
  Recent 
  San 
  Diego, 
  California 
  (type) 
  ; 
  San 
  Diego, 
  California, 
  Magdalena 
  

  

  