﻿270 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol. 
  los 
  

  

  Nephtys 
  ciliata 
  (Miiller, 
  1789) 
  

  

  Figure 
  30, 
  n 
  

  

  Nereis 
  ciliata 
  Miiller, 
  1789, 
  p. 
  14, 
  pi. 
  89, 
  figs. 
  1-4. 
  

  

  Nephthys 
  ciliata 
  Malmgren, 
  1865, 
  p. 
  104, 
  pi. 
  12, 
  fig. 
  17. 
  — 
  Webster 
  and 
  Benedict, 
  

  

  1887, 
  p. 
  709.— 
  Moore, 
  1903, 
  p. 
  433.— 
  Eliason, 
  1920, 
  p. 
  31.— 
  Fauvel, 
  1923, 
  

  

  p. 
  371, 
  fig. 
  145, 
  a-b; 
  1933, 
  p. 
  39.— 
  Augener, 
  1928, 
  p. 
  699.— 
  Gustafson, 
  1936, 
  

  

  p. 
  7.— 
  Treadwell, 
  1937, 
  p. 
  28 
  (part) 
  .— 
  Annenkova, 
  1937, 
  p. 
  164; 
  1938, 
  p. 
  

  

  162.— 
  Friedrich, 
  1939, 
  p. 
  123.— 
  Gorbunov, 
  1946, 
  p. 
  38.— 
  Thorson, 
  1946, 
  p. 
  

  

  69, 
  figs. 
  32, 
  33.— 
  Berkeley 
  and 
  Berkeley, 
  1948, 
  p. 
  55, 
  fig. 
  82.— 
  Wesenberg- 
  

  

  Lund, 
  1950a, 
  p. 
  21; 
  1950b, 
  p. 
  59; 
  1951, 
  p. 
  45. 
  

   Nephthys 
  caeca 
  Murdoch, 
  1885, 
  p. 
  153 
  (part; 
  includes 
  var. 
  ciliata). 
  — 
  Moore, 
  1911, 
  

  

  p. 
  243 
  (not 
  Nereis 
  caeca 
  Fabricius, 
  1780). 
  

   Nepthys 
  ciliata 
  Chamberlin, 
  1920, 
  p. 
  9. 
  

   Nepthys 
  hudsonica 
  Chamberlin, 
  1920, 
  p. 
  10, 
  pi. 
  2, 
  figs. 
  4-6. 
  

   Nephtys 
  ciliata 
  Hartman, 
  1944a, 
  pp. 
  335, 
  339, 
  pi. 
  15, 
  fig. 
  9 
  (as 
  N. 
  incisa, 
  not 
  fig. 
  

  

  10 
  {=N. 
  caeca)); 
  1950, 
  p. 
  95. 
  

  

  Description. 
  — 
  Length 
  100-300 
  mm., 
  width 
  without 
  setae 
  9-11 
  mm. 
  

   Tentacular 
  cirri 
  subequal 
  to 
  antennae. 
  Acicular 
  lobes 
  deeply 
  bilobed 
  

   in 
  anterior 
  and 
  median 
  regions; 
  rounded 
  or 
  slightly 
  bilobed 
  in 
  posterior 
  

   region. 
  Postsetal 
  lamellae 
  of 
  both 
  notopodia 
  and 
  neuropodia 
  rounded, 
  

   entire, 
  short, 
  about 
  same 
  length 
  as 
  or 
  only 
  slightly 
  surpassing 
  the 
  

   acicular 
  lobes. 
  Color: 
  In 
  alcohol: 
  White, 
  tannish, 
  or 
  anterior 
  third 
  

   reddish 
  brown 
  or 
  buff. 
  (According 
  to 
  G. 
  E. 
  MacGinitie, 
  the 
  pellets 
  

   of 
  this 
  worm 
  indicate 
  that 
  it 
  is 
  a 
  detritus 
  feeder.) 
  

  

  New 
  records. 
  — 
  Arctic 
  Alaska: 
  Off 
  Point 
  Barrow 
  aero 
  radio 
  mast, 
  

   10 
  fms.; 
  off 
  Point 
  Barrow 
  base, 
  up 
  to 
  8 
  miles 
  from 
  shore, 
  6-75.5 
  fms., 
  

   on 
  bottoms 
  of 
  mud 
  and 
  various 
  combinations 
  of 
  mud, 
  pebbles, 
  gravel, 
  

   stones, 
  rocks, 
  large 
  perforated 
  rocks, 
  and 
  shells 
  (18 
  stations, 
  37 
  speci- 
  

   mens). 
  Siberia: 
  Plover 
  Bay, 
  Dall, 
  1880. 
  Alaska: 
  Chiachi 
  Island, 
  20 
  

   fms., 
  mud; 
  Round 
  Island, 
  Coal 
  Harbor, 
  6-8 
  fms., 
  mud, 
  1872; 
  Port 
  

   Mulgrove, 
  Yakutat 
  Bay, 
  6-40 
  fms., 
  1874; 
  Port 
  Etches, 
  12-18 
  fms., 
  

   1874; 
  aU 
  collected 
  by 
  DaU. 
  West 
  Coast 
  North 
  America: 
  Wash- 
  

   ington 
  and 
  Puget 
  Sounds, 
  low 
  water 
  to 
  83 
  fms. 
  (common), 
  Petti- 
  

   bone. 
  East 
  Coast 
  North 
  America: 
  Off 
  Labrador, 
  6-95 
  fms.. 
  Blue 
  

   Dolphin 
  Expeditions, 
  1949, 
  1950, 
  1951; 
  off 
  Nova 
  Scotia, 
  Bay 
  of 
  

   Fundy, 
  Maine, 
  Massachusetts, 
  14-110 
  fms., 
  U. 
  S. 
  Fish 
  Commission. 
  

  

  Distribution. 
  — 
  Widely 
  distributed 
  in 
  the 
  Arctic: 
  Siberian, 
  Alaskan, 
  

   aud 
  Canadian 
  Arctic, 
  Greenland, 
  Spitsbergen, 
  Norway, 
  Barents 
  Sea, 
  

   White 
  Sea, 
  Novaya 
  Zemlya, 
  Kara 
  Sea. 
  Also 
  Iceland, 
  Faroes 
  to 
  

   France; 
  to 
  Massachusetts; 
  to 
  Southern 
  California; 
  to 
  Japan, 
  China. 
  

   In 
  low 
  water 
  to 
  500 
  fathoms. 
  

  

  Nephtys 
  discors 
  Ehlers, 
  1868 
  

  

  Figure 
  30, 
  m 
  

  

  Nephthys 
  discors 
  Ehlers, 
  1868, 
  p. 
  626, 
  pi. 
  23, 
  figs. 
  39, 
  40.— 
  Verrill, 
  1873, 
  p. 
  103.— 
  

  

  Webster 
  and 
  Benedict, 
  1887, 
  p. 
  709. 
  

   Nephtys 
  discors 
  Hartman, 
  1938c, 
  p. 
  9, 
  pi. 
  1, 
  figs. 
  2, 
  3; 
  1950, 
  p. 
  96. 
  

   Nephtys 
  rickettsi 
  Hartman, 
  1938b, 
  p. 
  153; 
  1950, 
  p.',97. 
  

  

  