﻿228 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  tol. 
  103 
  

  

  N., 
  167°41' 
  W., 
  1890. 
  Southwestern 
  Alaska: 
  Iluiliiik 
  Harbor, 
  

   Unalaska, 
  Dall, 
  1871. 
  Southeastern 
  Alaska: 
  Sitka, 
  Dall. 
  East 
  

   Coast 
  North 
  America: 
  Off 
  Labrador, 
  13-125 
  fms., 
  Blue 
  Dolphin 
  

   Expeditions, 
  1949, 
  1950, 
  1951. 
  

  

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

   and 
  Canadian 
  Arctic, 
  Davis 
  Strait, 
  Greenland, 
  Spitsbergen, 
  Novaya 
  

   Zemlya. 
  Also 
  Iceland, 
  Faroes, 
  Norway 
  to 
  France; 
  Hudson 
  Bay 
  to 
  

   Massachusetts; 
  Bering 
  Sea 
  to 
  Washington; 
  north 
  Japan 
  Sea. 
  In 
  

   low 
  water 
  to 
  630 
  fathoms. 
  

  

  Gattyana 
  ciliata 
  Moore, 
  1902 
  

  

  Gattyana 
  ciliata 
  Moore, 
  1902, 
  p. 
  263, 
  pi. 
  13, 
  figs. 
  14-19; 
  pi. 
  14, 
  fig. 
  20; 
  1905a, 
  

   p. 
  525; 
  1908, 
  p. 
  337.— 
  Annenkova, 
  1937, 
  p. 
  148, 
  pi. 
  2, 
  figs. 
  9, 
  11; 
  pi. 
  4, 
  fig. 
  33; 
  

   1938, 
  pp. 
  83, 
  100, 
  132, 
  224.— 
  Berkeley 
  and 
  Berkeley, 
  1948, 
  p. 
  12, 
  fig. 
  11.— 
  

   Pettibone, 
  1953, 
  p. 
  40, 
  pi. 
  19. 
  

  

  Description.- 
  — 
  Length 
  63-65 
  mm., 
  width 
  including 
  setae 
  25-29 
  mm, 
  

   (length 
  up 
  to 
  80 
  mm.^ 
  — 
  ^Annenkova, 
  1937). 
  Segments 
  36 
  or 
  37. 
  

   Cephalic 
  peaks 
  lacking 
  or 
  short 
  and 
  blunt. 
  Elytral 
  tubercles 
  of 
  

   several 
  kinds: 
  Microtubercles 
  numerous, 
  conical, 
  pointed, 
  hooked, 
  

   some 
  bifid; 
  usually 
  intermediate-sized 
  tubercles 
  elongated, 
  conical, 
  

   some 
  bifid, 
  in 
  several 
  rows 
  arranged 
  diagonally 
  from 
  center 
  of 
  elytron 
  

   lateralljT^; 
  conical 
  macro 
  tubercles 
  Vv^ith 
  blunt, 
  roughened 
  tips, 
  usually 
  

   near 
  posterior 
  border 
  of 
  elytra, 
  variable 
  in 
  number, 
  size, 
  and 
  shape. 
  

   Color: 
  In 
  alcohol: 
  Elytra 
  tannish 
  mottled 
  with 
  brown. 
  

  

  New 
  records. 
  — 
  Arctic 
  Alaska: 
  Oft' 
  Point 
  Barrow 
  base, 
  up 
  to 
  12.1 
  

   miles 
  from 
  shore, 
  20-87 
  fms., 
  on 
  bottoms 
  of 
  rocks, 
  stones, 
  smaU 
  

   amount 
  of 
  gravel 
  (4 
  stations, 
  4 
  specimens). 
  Bering 
  Sea: 
  Albatross 
  

   Sta. 
  3606, 
  55°27' 
  N., 
  167°47' 
  W., 
  87 
  fms., 
  green 
  mud, 
  fine 
  sand, 
  1895. 
  

  

  Distribution. 
  — 
  Alaskan 
  Arctic 
  (originally 
  recorded 
  from 
  Greenland 
  

   waters, 
  corrected 
  to 
  Icy 
  Cape, 
  Alaska 
  — 
  Moore, 
  1902, 
  1905); 
  Bering 
  

   Sea 
  to 
  Washington; 
  north 
  Japan 
  Sea. 
  In 
  4.4-303 
  fathoms. 
  

  

  Family 
  Sigalionidae 
  

  

  Prostomium 
  subglobular, 
  with 
  two 
  pairs 
  of 
  eyes, 
  dorsal 
  antennae 
  

   1-3, 
  a 
  pair 
  of 
  subulate, 
  ventral 
  palps 
  (fig. 
  26,/). 
  First 
  or 
  tentacular 
  

   segment 
  with 
  or 
  without 
  numerous 
  setae 
  (lacldng 
  in 
  Pholoe), 
  with 
  

   two 
  pairs 
  of 
  tentacular 
  cirri. 
  Parapodia 
  biramous, 
  with 
  notosetae 
  

   simple, 
  neurosetae 
  simple 
  or 
  composite 
  or 
  both; 
  with 
  paired 
  dorsal 
  

   elytra 
  on 
  certain 
  segments 
  ; 
  without 
  dorsal 
  cirri 
  ; 
  with 
  paired 
  subulate 
  

   ventral 
  cirri. 
  Pygidium 
  with 
  pair 
  of 
  anal 
  cirri. 
  With 
  or 
  without 
  

   cirriform 
  branchiae 
  and 
  ciliated 
  cushions 
  or 
  ctenidia 
  on 
  parapodia 
  

   (both 
  lacking 
  in 
  Pholoe) 
  . 
  Muscular 
  proboscis 
  eversible, 
  with 
  circle 
  of 
  

   soft 
  marginal 
  papillae 
  and 
  two 
  pairs 
  of 
  interlocking, 
  chitinous 
  jaws. 
  

  

  Represented 
  by 
  a 
  single 
  species 
  from 
  Point 
  Barrow. 
  

  

  