﻿6ASTR0P0t>A 
  

  

  19; 
  

  

  Genus 
  Cythnia^o 
  Carpenter, 
  1864 
  

  

  (Cythnoa 
  Dall.^i 
  1924, 
  new 
  name) 
  

  

  Cvthnia 
  Carpenter, 
  1864, 
  Ann. 
  Mag. 
  Nat. 
  Hist., 
  ser. 
  3, 
  vol. 
  XIII, 
  June, 
  p. 
  478 
  Cythnia; 
  Re- 
  

  

  " 
  print, 
  1872, 
  p. 
  218 
  

   Type 
  species 
  by 
  monotvpy, 
  C. 
  asteriaphila 
  Carpenter, 
  1864b, 
  p. 
  478. 
  Living. 
  Lower 
  Cali- 
  

   fornia 
  (PI. 
  19, 
  figs. 
  5, 
  5a) 
  

  

  Cythnia 
  albida 
  Carpenter 
  

  

  (PI. 
  19, 
  figs. 
  3, 
  3a) 
  

  

  Cythna 
  albida 
  Carpenter, 
  1864b, 
  Aug., 
  p. 
  613; 
  Reprint, 
  1872, 
  p. 
  99; 
  1866, 
  California 
  Acad. 
  

  

  Sci., 
  Proc, 
  vol. 
  Ill, 
  p. 
  219 
  

   Cithna 
  [sic] 
  albida 
  Carpenter, 
  1864b, 
  p. 
  657; 
  Reprint, 
  1872, 
  p. 
  143 
  Cythna 
  m 
  index; 
  Cooper, 
  

  

  1867, 
  Geog. 
  Cat. 
  Moll., 
  Geol. 
  Sur. 
  California, 
  p. 
  31 
  

   Cythnia 
  albida 
  (Carpenter), 
  Tryon, 
  1886, 
  Man. 
  Conch., 
  vol. 
  VIII, 
  p. 
  293; 
  Burch, 
  1945, 
  no. 
  

  

  53, 
  p. 
  14 
  

   Cythna 
  albida 
  Carpenter, 
  Dall, 
  1921, 
  p. 
  119; 
  Oldroyd, 
  1927, 
  vol. 
  II, 
  pt. 
  2, 
  p. 
  80; 
  Keen, 
  1937, 
  

  

  p. 
  35 
  

  

  "Very 
  close 
  to 
  C. 
  tumens, 
  Maz. 
  Cat. 
  no. 
  421, 
  but 
  umbilicus 
  angled, 
  not 
  keeled." 
  [Carpen- 
  

   ter, 
  1864b, 
  p. 
  657] 
  

  

  Oldroyd 
  (1927) 
  reproduced 
  part 
  of 
  Carpenter's 
  description 
  (1866). 
  The 
  following 
  changes 
  

   should 
  be 
  made 
  in 
  her 
  copy 
  : 
  

  

  Last 
  line 
  : 
  read 
  "pariete" 
  for 
  "partiete." 
  

   Add: 
  

  

  ''Long. 
  0.03, 
  long. 
  spir. 
  0.015. 
  lat. 
  0.025, 
  div. 
  80°. 
  

   "Hab. 
  San 
  Pedro; 
  in 
  shell-washings. 
  Cooper. 
  

  

  "Known 
  from 
  C. 
  tumens, 
  Maz. 
  Cat. 
  no. 
  421, 
  by 
  the 
  non-keeling 
  of 
  the 
  umbilicus." 
  [Car- 
  

   penter, 
  1866a, 
  p. 
  219] 
  

  

  The 
  holotype 
  is 
  in 
  the 
  U. 
  S. 
  National 
  Museum. 
  It 
  is 
  on 
  an 
  original 
  Carpenter 
  glass 
  mount 
  

   in 
  the 
  original 
  vial 
  with 
  the 
  Carpenter 
  label 
  "'Type. 
  Genus 
  15569 
  Cythna 
  albida 
  Cpr. 
  S. 
  Diego 
  

   Cp." 
  

  

  Holotype. 
  — 
  U. 
  S. 
  National 
  Museum, 
  no. 
  15569 
  

  

  Distribution. 
  — 
  San 
  Diego, 
  California 
  (type); 
  Southern 
  California; 
  parasitic 
  on 
  starfishes 
  

   (Dall) 
  

  

  Family 
  Fossaridae^^ 
  

  

  Genus 
  Iselica 
  Dall, 
  1918 
  

  

  (Isapis 
  H. 
  and 
  A. 
  Adams, 
  1854) 
  

  

  Iselica 
  Dall, 
  1918, 
  Biol. 
  Soc. 
  Washington, 
  Proc, 
  vol. 
  31, 
  p. 
  137. 
  New 
  name 
  for 
  Isapis 
  H. 
  and 
  

  

  A. 
  Adams, 
  1854, 
  Gen. 
  Rec. 
  Moll., 
  vol. 
  I, 
  p. 
  320. 
  Not 
  Isapis 
  Doubleday, 
  1847, 
  see 
  Neave^^ 
  

  

  (1939-1940) 
  

   Type 
  species 
  by 
  monotypy 
  Isapis 
  anomala 
  (C. 
  B. 
  Adams), 
  1850, 
  Cont. 
  Conch., 
  no. 
  7, 
  p. 
  109 
  

  

  as 
  Narica 
  ? 
  Recent. 
  West 
  Indies. 
  Clench 
  and 
  Turner, 
  1950, 
  Occ. 
  Pap. 
  Moll., 
  vol. 
  1, 
  no. 
  

  

  15, 
  p. 
  256, 
  pi. 
  39, 
  fig. 
  14 
  lectotype 
  

  

  The 
  sculpture 
  of 
  /. 
  fenestrata 
  Carpenter 
  is 
  remarkably 
  similar 
  in 
  detail 
  to 
  that 
  of 
  the 
  type 
  

   species 
  of 
  the 
  genus. 
  

  

  Iselica 
  fenestrata 
  Carpenter 
  

   (PI. 
  21, 
  figs. 
  15, 
  16) 
  

   Isapis 
  fenestrata 
  Carpenter, 
  1864b, 
  Aug., 
  p. 
  613, 
  628, 
  656; 
  Reprint, 
  1872, 
  p. 
  99, 
  114, 
  142; 
  

   1864, 
  Dec. 
  Ann. 
  Mag. 
  Nat. 
  Hist., 
  ser. 
  3, 
  vol. 
  XIV, 
  p. 
  429; 
  Reprint, 
  1872, 
  p. 
  241; 
  Cooper, 
  

   1867, 
  Geog. 
  Cat. 
  Moll., 
  Geol. 
  Sur. 
  California, 
  p. 
  29; 
  1870, 
  Amer. 
  Jour. 
  Conch., 
  vol. 
  VI, 
  p. 
  

   64; 
  Keep, 
  1887, 
  West 
  Coast 
  Shells, 
  p. 
  65; 
  Williamson, 
  1892, 
  U. 
  S. 
  Nat. 
  Mus., 
  Proc, 
  vol. 
  

   15, 
  no. 
  898, 
  p. 
  206; 
  Arnold, 
  1903, 
  p. 
  304; 
  Dall, 
  1921, 
  p. 
  155, 
  pi. 
  13, 
  fig. 
  2; 
  Strong, 
  1923, 
  

  

  90 
  Spelling 
  of 
  Carpenter: 
  Cythnia 
  (1864a, 
  June) 
  Cythna 
  (1864b, 
  Aug.) 
  "Cythna 
  A. 
  

   Adams," 
  (1866). 
  Spelling 
  of 
  Adams: 
  Cithna 
  (1863, 
  p. 
  113). 
  

  

  91 
  Dall 
  (1924, 
  p. 
  89) 
  . 
  The 
  new 
  name 
  is 
  not 
  necessary. 
  

  

  92 
  Theile 
  (1929), 
  Wenz 
  (1940), 
  and 
  Aguayo 
  and 
  Jaume 
  (1949) 
  placed 
  Iselica 
  as 
  a 
  sub- 
  

   genus 
  of 
  Phasianema 
  S. 
  Wood 
  (1842) 
  and 
  in 
  the 
  family 
  Pyramidellidae. 
  

  

  ^^ 
  "Isapis 
  Westwood, 
  1851," 
  as 
  quoted 
  by 
  Dall 
  is 
  not 
  in 
  Neave 
  (1939-1940). 
  The 
  result 
  is 
  

   the 
  same. 
  

  

  