﻿338 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol. 
  103 
  

  

  Key 
  to 
  the 
  species 
  of 
  Chone 
  from 
  Point 
  Barrow 
  

  

  1. 
  Collarette 
  nearly 
  straight 
  (fig. 
  39, 
  b). 
  Free 
  end 
  of 
  branchial 
  filaments 
  flat- 
  

   tened, 
  foliaceous, 
  widely 
  limbate 
  (fig. 
  39, 
  e)_- 
  -_C. 
  infuudibuliformis 
  

  

  Collarette 
  oblique, 
  longer 
  on 
  ventral 
  side 
  (fig. 
  39, 
  k). 
  Free 
  end 
  of 
  branchial 
  

   filaments 
  with 
  long 
  filiform 
  tips 
  (fig. 
  39, 
  I) 
  C. 
  duneri 
  

  

  Chone 
  infundibuliformia 
  Kroyer, 
  1856 
  

  

  Figure 
  39, 
  a-j 
  

  

  Chone 
  infundibuliformis 
  Kroyer, 
  1856, 
  p. 
  33. 
  — 
  Malmgren, 
  1865, 
  p. 
  404, 
  pi. 
  28, 
  

   fig. 
  87.— 
  Th6el, 
  1879, 
  p. 
  66.— 
  Wir6n, 
  1883, 
  p. 
  422.— 
  Fauvel, 
  1927, 
  p. 
  334, 
  

   fig. 
  116, 
  a-o.— 
  Augener, 
  1928, 
  p. 
  806.— 
  Annenkova, 
  1934, 
  p. 
  322; 
  1937, 
  

   p. 
  196; 
  1938, 
  p. 
  215.— 
  Hartman, 
  1942b, 
  p. 
  136; 
  1944a, 
  pp. 
  334, 
  336 
  (not 
  pi. 
  

   20, 
  fig. 
  5), 
  pi. 
  21, 
  fig. 
  7.— 
  Berkeley 
  and 
  Berkeley, 
  1943, 
  p. 
  130; 
  1952, 
  p. 
  123, 
  

   figs. 
  252, 
  253.— 
  Gorbunov, 
  1946, 
  p. 
  39.— 
  Zatsepin, 
  1948, 
  p. 
  164, 
  pi. 
  39, 
  

   fig. 
  13.— 
  Wesenberg-Lund, 
  1950a, 
  p. 
  58; 
  1950b, 
  p. 
  131; 
  1951, 
  p. 
  123. 
  

  

  Chone 
  gracilis 
  Moore, 
  1906b, 
  p. 
  257, 
  pi. 
  12, 
  figs. 
  62-66. 
  — 
  Berkeley 
  and 
  Berkeley, 
  

   1952, 
  p. 
  123, 
  fig. 
  254. 
  

  

  Description. 
  — 
  Length 
  30 
  mm., 
  width 
  2.5 
  mm. 
  (up 
  to 
  120 
  mm. 
  long, 
  

   6 
  mm. 
  wide 
  — 
  Fauvel, 
  1927). 
  Collarette 
  nearly 
  straight 
  laterally. 
  

   Branchial 
  filaments 
  about 
  15 
  (10-36), 
  with 
  tips 
  more 
  or 
  less 
  foliaceous, 
  

   edged 
  by 
  transparent 
  border 
  (prolongations 
  of 
  palmar 
  membrane). 
  

   Color: 
  In 
  life: 
  Variable 
  — 
  flesh 
  color, 
  branchiae 
  orange 
  spotted 
  with 
  

   white; 
  olive 
  green 
  with 
  distal 
  half 
  of 
  branchiae 
  brick 
  red, 
  basal 
  half 
  

   red 
  and 
  olive, 
  chalk 
  white 
  on 
  outer 
  sides 
  of 
  bases 
  of 
  branchiae. 
  In 
  

   alcohol: 
  Colorless, 
  gra3dsh, 
  or 
  tannish. 
  Tube: 
  Membranous, 
  en- 
  

   crusted 
  with 
  sand, 
  mud, 
  or 
  pebbles 
  of 
  variable 
  sizes, 
  foraminiferans. 
  

  

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

   Point 
  Barrow, 
  6.6 
  fms.; 
  off 
  Point 
  Barrow 
  base, 
  up 
  to 
  7.5 
  miles 
  from 
  

   shore, 
  20^9 
  fms., 
  on 
  bottoms 
  of 
  mud, 
  stones, 
  and 
  various 
  combina- 
  

   tions 
  of 
  mud, 
  sand, 
  gravel, 
  stones, 
  rocks, 
  large 
  perforated 
  rocks, 
  shells 
  

   (12 
  stations, 
  32 
  specimens). 
  Canadian 
  Arctic: 
  East 
  side 
  Cobourg 
  

   Island, 
  Baffin 
  Bay, 
  75° 
  40' 
  N., 
  78° 
  40' 
  W., 
  Bartlett, 
  1935. 
  North- 
  

   west 
  Greenland: 
  1 
  mile 
  northwest 
  Conical 
  Rock, 
  Bartlett, 
  1940. 
  

   East 
  Greenland: 
  Off 
  Cape 
  Hold 
  with 
  Hope, 
  23-40 
  fms., 
  Bartlett, 
  

   1939. 
  Spitsbergen: 
  Spitsbergen 
  Sea, 
  U.S.S. 
  ^Z/iance, 
  1881. 
  Bering 
  

   Sea: 
  St. 
  Paul 
  Island, 
  Pribilofs, 
  Palmer, 
  1890; 
  St. 
  George 
  Island, 
  

   Pribilofs, 
  Hanna, 
  1913; 
  Albatross 
  Sta. 
  3232, 
  58° 
  30' 
  N., 
  157° 
  34' 
  W., 
  

   10.5 
  fms., 
  1890, 
  Sta. 
  3233, 
  58° 
  23' 
  N., 
  157° 
  42' 
  W., 
  7 
  fms., 
  1890, 
  and 
  

   Sta. 
  3289, 
  56° 
  44' 
  N., 
  159° 
  16' 
  W., 
  16 
  fms., 
  1890; 
  Kiska, 
  Aleutians, 
  

   Dall. 
  West 
  Coast 
  North 
  America: 
  Strait 
  of 
  Juan 
  de 
  Fuca, 
  Wash- 
  

   ington, 
  40 
  fms., 
  mud, 
  Pettibone. 
  East 
  Coast 
  North 
  America: 
  Off 
  

   Nova 
  Scotia, 
  Maine, 
  Massachusetts, 
  Rhode 
  Island, 
  10-206 
  fms., 
  U. 
  

   S. 
  Fish 
  Commission. 
  

  

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

   and 
  Canadian 
  Arctic, 
  Greenland, 
  Spitsbergen, 
  Novaya 
  Zemlya, 
  Kara 
  

  

  