﻿220 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol. 
  103 
  

  

  25-40 
  fms., 
  Blue 
  Dolphin 
  Expeditions, 
  1949, 
  1950; 
  Nova 
  Scotia, 
  

   Grand 
  Manan, 
  Maine, 
  Massachusetts, 
  low 
  water 
  to 
  110 
  fms., 
  U. 
  S. 
  

   Fish 
  Commission. 
  Japan: 
  Albatross 
  Sta. 
  3656, 
  Hakodate 
  Bay, 
  11.5 
  

   fms., 
  1896. 
  

  

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

   and 
  Canadian 
  Arctic, 
  Baffin 
  Bay, 
  Davis 
  Strait, 
  Greenland, 
  Spits- 
  

   bergen. 
  Also 
  from 
  Norway 
  to 
  English 
  Channel; 
  Labrador 
  to 
  

   Massachusetts; 
  Bering 
  Sea 
  to 
  central 
  California; 
  and 
  Japan. 
  In 
  

   low 
  water 
  to 
  516 
  fathoms. 
  

  

  Genus 
  Harmothoe 
  Kinberg, 
  1857 
  

  

  As 
  used 
  herein, 
  Harmothoe 
  includes 
  Lagisca 
  Malmgren, 
  1865; 
  

   Evarne 
  Malmgren, 
  1865; 
  and 
  Evarnella 
  Chamberlin, 
  1919. 
  

  

  Both 
  species 
  represented 
  have 
  the 
  body 
  short, 
  attenuated 
  posteriorly, 
  

   segments 
  about 
  40 
  (36-50), 
  covered 
  by 
  elytra 
  except 
  for 
  posterior 
  

   few 
  segments; 
  elytra 
  with 
  numerous 
  conical 
  micro 
  tubercles. 
  Pro- 
  

   stomium 
  with 
  cephalic 
  peaks 
  prominent 
  (fig. 
  26, 
  a). 
  Antennae 
  and 
  

   dorsal 
  cirri 
  with 
  short 
  papillae. 
  Notosetae 
  stouter 
  than 
  neurosetae, 
  

   with 
  long 
  distal 
  spinous 
  regions 
  and 
  short, 
  pointed, 
  bare 
  tips. 
  

  

  Key 
  to 
  the 
  species 
  of 
  Harmothoe 
  from 
  Point 
  Barrow 
  

  

  1. 
  Anterior 
  pair 
  of 
  eyes 
  antero 
  ventral 
  on 
  prostomium 
  (slightly 
  posterior 
  and 
  

   lateral 
  to 
  cephalic 
  peaks), 
  not 
  visible 
  dorsally 
  (fig. 
  26, 
  a). 
  Elytra 
  with 
  

   or 
  without 
  large, 
  globular 
  macrotubercles 
  near 
  posterior 
  border. 
  

  

  H. 
  imbricata 
  

   Anterior 
  pair 
  of 
  eyes 
  anterolateral 
  on 
  prostomium, 
  visible 
  dorsally. 
  Elytra 
  

   with 
  macrotubercles 
  globular, 
  sausage-shaped 
  or 
  elongate, 
  rodlike. 
  

  

  H. 
  extenuata 
  

  

  Harmothoe 
  imbricata 
  (Linn^, 
  1767) 
  

  

  Figure 
  26, 
  a, 
  e 
  

  

  Aphrodita 
  imbricata 
  Linn6, 
  1767, 
  p. 
  1804. 
  

  

  Lepidonote 
  cirrata 
  Oersted, 
  1843, 
  p. 
  166, 
  pi. 
  1, 
  figs. 
  1, 
  5-6, 
  11, 
  14-15. 
  

  

  Polynoe 
  cirrata 
  Sars, 
  1860, 
  p. 
  60. 
  

  

  Harmothoe 
  imbricata 
  Malmgren, 
  1865, 
  p. 
  66, 
  pi. 
  9, 
  fig. 
  8. 
  — 
  Webster 
  and 
  Benedict, 
  

   1884, 
  p. 
  701; 
  1887, 
  p. 
  709.— 
  Johnson, 
  1897, 
  p. 
  181; 
  1901, 
  p. 
  390.— 
  Mcintosh, 
  

   1900, 
  p. 
  314, 
  figs.— 
  Moore, 
  1902, 
  p. 
  270; 
  1903, 
  p. 
  402; 
  1908, 
  p. 
  334.— 
  Dit- 
  

   levsen, 
  1909, 
  p. 
  7, 
  pi. 
  2, 
  fig. 
  5.— 
  Sumner, 
  1913, 
  p. 
  617.— 
  Southern, 
  1914, 
  p. 
  

   52.— 
  Chamberhn, 
  1920, 
  p. 
  4.— 
  EHason, 
  1920, 
  p. 
  19.— 
  Fauvel, 
  1923, 
  p. 
  55, 
  

   fig. 
  18, 
  f-e; 
  1933, 
  p. 
  10; 
  1936, 
  p. 
  50.— 
  Treadwell, 
  1925, 
  p. 
  1; 
  1937, 
  p. 
  26.— 
  

   Augener, 
  1928, 
  p. 
  677; 
  1939, 
  p. 
  133.— 
  Annenkova, 
  1934, 
  p. 
  322; 
  1937, 
  p. 
  151; 
  

   1938, 
  p. 
  136.— 
  Okuda, 
  1938b, 
  p. 
  83; 
  1939, 
  p. 
  224.— 
  Friedrich, 
  1939, 
  p. 
  122.— 
  

   Monro, 
  1939a, 
  p. 
  345.— 
  Hartman, 
  1944a, 
  pp. 
  335, 
  337; 
  1948, 
  p. 
  13.— 
  Thorson, 
  

   1946, 
  p. 
  46, 
  figs. 
  17-18.— 
  Gorbunov, 
  1946, 
  p. 
  38.— 
  Zatsepin, 
  1948, 
  p. 
  108, 
  

   pi. 
  28, 
  fig. 
  10.— 
  Berkeley 
  and 
  Berkeley, 
  1948, 
  p. 
  11, 
  ^fig. 
  9.— 
  Pettibone, 
  1949, 
  

   p. 
  2; 
  1953, 
  p. 
  32, 
  pis. 
  13-16.— 
  Hartman 
  and 
  Reish, 
  1950, 
  p. 
  6.— 
  Wesenberg- 
  

   Lund, 
  1950a, 
  p. 
  6; 
  1950b, 
  p. 
  18; 
  1951, 
  p. 
  12. 
  

  

  