﻿236 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol. 
  103 
  

  

  Eteone 
  sp. 
  larvae 
  

  

  Larvae 
  of 
  a 
  species 
  of 
  Eteone 
  found 
  in 
  a 
  mass 
  of 
  jelly 
  (off 
  Point 
  

   Barrow 
  base, 
  1.7 
  fms., 
  300 
  ft, 
  out, 
  on 
  sandy-mud, 
  July 
  20, 
  1948); 
  11 
  

   segments, 
  of 
  which 
  8 
  were 
  setigerous; 
  triangular 
  prostomium 
  with 
  

   short 
  antennae 
  and 
  eyes; 
  tentacular 
  segment 
  with 
  short 
  tentacular 
  

   cirri; 
  anal 
  cirri 
  short, 
  spherical. 
  

  

  Genus 
  Phyllodoce 
  Savigny, 
  1817 
  

  

  Subgenus 
  Anaitides 
  Czerniavsky, 
  1882 
  

   Phyllodoce 
  (Anaitides) 
  groenlandica 
  Oersted, 
  1842 
  

  

  Figure 
  27, 
  d, 
  i 
  

  

  Phyllodoce 
  groenlandica 
  Oersted, 
  1842, 
  p. 
  121 
  {fide 
  Bergstrom, 
  1914); 
  1843, 
  p. 
  192, 
  

   pi. 
  2, 
  figs. 
  19, 
  21, 
  22, 
  29-32.— 
  Malmgren, 
  1865, 
  p. 
  96; 
  1867, 
  p. 
  21, 
  pi. 
  2, 
  fig. 
  

   9.— 
  Webster 
  and 
  Benedict, 
  1884, 
  p. 
  703; 
  1887, 
  p. 
  710.— 
  Murdoch, 
  1885, 
  p. 
  

   153.— 
  Moore, 
  1903, 
  p. 
  428.— 
  Mcintosh, 
  1908, 
  p. 
  86, 
  figs.— 
  Ditlevsen, 
  1917, 
  

   p. 
  56.— 
  Fauvel, 
  1923, 
  p. 
  153, 
  fig. 
  54, 
  f-i.— 
  Augener, 
  1928, 
  p. 
  703.— 
  not 
  

   Treadwell, 
  1937, 
  p. 
  28 
  { 
  — 
  Paranaitis 
  wahlbergi 
  (Malmgren), 
  in 
  USNM). 
  — 
  

   Annenkova, 
  1937, 
  p. 
  156.— 
  Friedrich, 
  1939, 
  p. 
  122.— 
  Thorson, 
  1946, 
  p. 
  52, 
  

   fig. 
  21.— 
  Gorbunov, 
  1946, 
  p. 
  38.— 
  Berkeley 
  and 
  Berkeley, 
  1948, 
  p. 
  46, 
  fig. 
  

   66.— 
  Wesenberg-Lund, 
  1950a, 
  p. 
  10; 
  1950b, 
  p. 
  32; 
  1951, 
  p. 
  26. 
  

  

  Phyllodoce 
  citrina 
  Moore, 
  1908, 
  p. 
  328. 
  — 
  Hartman, 
  1948, 
  p. 
  19 
  (part; 
  includes 
  

   P. 
  groenlandica 
  and 
  P. 
  mucosa, 
  in 
  USNM; 
  not 
  P. 
  citrina 
  Malmgren, 
  1865). 
  

  

  Anaitides 
  groenlandica 
  Bergstrom, 
  1914, 
  p. 
  141, 
  fig. 
  42. 
  — 
  Southern, 
  1914, 
  p. 
  68. 
  — 
  

   EUason, 
  1920, 
  p. 
  24 
  (part) 
  .— 
  Chamberiin, 
  1920, 
  p. 
  11.— 
  Hartman, 
  1944a, 
  

   pp. 
  335, 
  338; 
  1948, 
  p. 
  19.— 
  Zatsepin, 
  1948, 
  p. 
  Ill, 
  pi. 
  29, 
  fig. 
  2. 
  

  

  Description. 
  — 
  Length 
  16-285 
  mm., 
  width 
  without 
  setae 
  1-9 
  mm. 
  

   (length 
  up 
  to 
  450 
  mm. 
  — 
  Ditlevsen, 
  1917). 
  Segments 
  very 
  numerous. 
  

   Body 
  elongate, 
  large, 
  robust, 
  linear, 
  flattened, 
  attenuate 
  posteriorly. 
  

   Prostomium 
  cordiform, 
  notched 
  posteriorly 
  with 
  an 
  occipital 
  tubercle 
  

   in 
  the 
  notch, 
  with 
  foiu- 
  short 
  subulate 
  frontal 
  antennae, 
  with 
  smaU, 
  

   paired, 
  lateral, 
  retractile, 
  nuchal 
  knobs 
  just 
  anterior 
  to 
  the 
  first 
  pair 
  

   of 
  tentacular 
  cirri. 
  Tentacular 
  cirri 
  unequal; 
  two 
  pairs 
  short, 
  two 
  

   pairs 
  longer, 
  extending 
  to 
  segments 
  9-11. 
  Dorsal 
  cirri 
  of 
  median 
  

   region 
  up 
  to 
  two 
  times 
  longer 
  than 
  wide, 
  subquadrangular, 
  with 
  distal 
  

   ends 
  truncate; 
  ventral 
  cirri 
  oval, 
  with 
  asymmetrical 
  acuminate 
  tip. 
  

   Anterior 
  part 
  of 
  extended 
  proboscis 
  transversely 
  rugose, 
  crowned 
  

   mth 
  17 
  papillae; 
  basal 
  part 
  with 
  12 
  longitudinal 
  rows 
  of 
  smaU, 
  oval 
  

   papillae 
  (6 
  rows 
  on 
  each 
  side), 
  with 
  10-20 
  papillae 
  per 
  row. 
  Color: 
  

   In 
  life 
  and 
  in 
  alcohol: 
  Body 
  with 
  bluish 
  iridescence, 
  usually 
  heavily 
  

   pigmented 
  dark 
  greenish 
  brown 
  or 
  deep 
  reddish 
  blue, 
  with 
  dorsal 
  and 
  

   ventral 
  cirri 
  tan 
  to 
  dark 
  brown; 
  on 
  some, 
  body 
  not 
  so 
  darkly 
  pig- 
  

   mented, 
  with 
  cirri 
  only 
  partly 
  pigmented. 
  

  

  