﻿MARINE 
  POLYCHAETE 
  WORMS 
  — 
  PETTIBONE 
  227 
  

  

  Gattyana 
  cirrosa 
  Mcintosh, 
  1900, 
  p. 
  285, 
  figs.— 
  Moore, 
  1902, 
  p. 
  259; 
  1908, 
  p. 
  

   337.— 
  Southern, 
  1914, 
  p. 
  51.— 
  EHason, 
  1920, 
  p. 
  21.— 
  Fauvel, 
  1923, 
  p. 
  49, 
  

   fig. 
  17, 
  a-g.— 
  Augener, 
  1928, 
  p. 
  692; 
  1939, 
  p. 
  136.— 
  Gustafson, 
  1936, 
  p. 
  5.— 
  

   TreadweU, 
  1937, 
  p. 
  25.— 
  Annenkova, 
  1937, 
  p. 
  148; 
  1938, 
  pp. 
  83, 
  96, 
  133, 
  

   222.— 
  Monro, 
  1939a, 
  p. 
  345.— 
  Berkeley 
  and 
  Berkeley, 
  1943, 
  p. 
  129; 
  1948, 
  

   p. 
  13, 
  fig. 
  13.— 
  Thorson, 
  1946, 
  p. 
  45.— 
  Gorbunov, 
  1946, 
  p. 
  38.— 
  Hartman, 
  

   1948, 
  p. 
  14.— 
  Zatsepin, 
  1948, 
  p. 
  106, 
  pi. 
  28, 
  fig. 
  5.— 
  Pettibone, 
  1949, 
  p. 
  2; 
  

   1953, 
  p. 
  41, 
  pi. 
  20.— 
  Wesenberg-Lund, 
  1950a, 
  p. 
  5, 
  pi. 
  1, 
  figs. 
  1, 
  2; 
  1950b, 
  

   p. 
  12; 
  1951, 
  p. 
  9. 
  

  

  Gattyana 
  cirrhosa 
  Chamberlin, 
  1920, 
  p. 
  8. 
  

  

  Description. 
  — 
  Length 
  11-35 
  mm., 
  width 
  including 
  setae 
  4-12 
  mm- 
  

   Segments 
  35-38. 
  Elytra 
  with 
  long 
  papillae 
  on 
  posterior 
  and 
  external 
  

   borders 
  as 
  well 
  as 
  scattered 
  over 
  the 
  exposed 
  part 
  of 
  elytral 
  surface, 
  

   usually 
  covered 
  with 
  debris, 
  giving 
  a 
  straggly 
  appearance. 
  Elytral 
  

   tubercles 
  amber-colored, 
  exceedingly 
  variable 
  in 
  shape, 
  conical 
  or 
  

   cylindrical, 
  simple, 
  bifid 
  or 
  quadrifid, 
  showing 
  various 
  degrees 
  of 
  

   being 
  worn 
  down; 
  tubercles 
  on 
  the 
  anterior 
  few 
  pairs 
  of 
  elytra 
  tend 
  

   to 
  be 
  less 
  worn 
  down, 
  showing 
  their 
  more 
  characteristic 
  shapes. 
  

   Color: 
  In 
  alcohol: 
  Elytra 
  tan 
  mottled 
  with 
  brown 
  or 
  uniformly 
  tan; 
  

   often 
  with 
  blackish 
  foreign 
  material 
  on 
  elytral 
  tubercles 
  and 
  papillae. 
  

   Specimens 
  washed 
  ashore 
  were 
  essentially 
  free 
  from 
  debris, 
  the 
  elytra 
  

   whitish, 
  iridescent, 
  with 
  amber-colored 
  tubercles 
  and 
  inconspicuous, 
  

   delicate 
  papillae. 
  

  

  Parasites. 
  — 
  Three 
  of 
  the 
  126 
  specimens 
  had 
  the 
  parasitic 
  copepod 
  

   Herpyllobius 
  arcticus 
  Steenstrup 
  and 
  Liitken 
  attached 
  to 
  the 
  prostomia 
  

   (identified 
  by 
  Illg). 
  

  

  New 
  records. 
  — 
  Arctic 
  Alaska: 
  Eluitkak 
  Pass, 
  Elson 
  Lagoon 
  near 
  

   Point 
  Barrow, 
  6.6 
  fms.; 
  Point 
  Barrow 
  base, 
  washed 
  ashore; 
  off 
  Point 
  

   Barrow 
  base, 
  up 
  to 
  15 
  miles 
  from 
  shore, 
  18.3-123.5 
  fms., 
  on 
  bottoms 
  

   of 
  mud, 
  stones, 
  masses 
  of 
  worm 
  tubes, 
  and 
  various 
  combinations 
  of 
  

   mud, 
  pebbles, 
  small 
  and 
  large 
  rocks, 
  stones, 
  gravel, 
  and 
  worm 
  tubes; 
  

   from 
  breaking 
  rock 
  (30 
  stations, 
  126 
  specimens). 
  Cape 
  Smyth, 
  2.5-3 
  

   fms.. 
  Point 
  Barrow 
  Expedition, 
  1883. 
  Canadian 
  Arctic: 
  South 
  end 
  

   Cape 
  Martineau, 
  Melville 
  Peninsula, 
  7-15 
  fms., 
  1933; 
  Foxe 
  Basin, 
  

   1933; 
  east 
  end 
  Cobourg 
  Island, 
  Baffin 
  Bay, 
  75°40' 
  N., 
  78°50' 
  W., 
  

   23-40 
  fms., 
  1935; 
  Kneeland 
  Bay, 
  Frobisher 
  Bay, 
  Baffin 
  Island, 
  14 
  

   fms., 
  1942; 
  all 
  collected 
  by 
  Bartlett. 
  West 
  Greenland: 
  Vaigat, 
  

   Disko 
  Island, 
  1937; 
  between 
  Capes 
  Alexander 
  and 
  Chalon, 
  25-40 
  fms., 
  

   rocky, 
  1937; 
  Walrus 
  grounds, 
  Murchison 
  Sound, 
  60 
  fms., 
  1938; 
  

   northwest 
  Conical 
  Rock, 
  1938; 
  all 
  collected 
  by 
  Bartlett. 
  Upernivik 
  

   Harbor, 
  13 
  fms., 
  and 
  Godhavn, 
  U. 
  S. 
  S. 
  Alert, 
  1884. 
  East 
  Green- 
  

   land: 
  Off 
  Cape 
  Hold 
  with 
  Hope, 
  4-6 
  fms., 
  Bartlett, 
  1939. 
  North 
  

   Greenland: 
  North 
  Omenolu 
  near 
  North 
  Star 
  Bay, 
  17 
  fms., 
  Bartlett, 
  

   1932. 
  SpnsBERGEN: 
  Spitsbergen 
  Sea, 
  U. 
  S. 
  S. 
  ylZ^iance, 
  1881. 
  Bering 
  

   Sea: 
  Bering 
  Strait, 
  13 
  fms., 
  Dall, 
  1880. 
  Albatross 
  Sta. 
  3326, 
  53°40' 
  

  

  