﻿A. 
  E. 
  Yerrill 
  — 
  Echinoderms 
  of 
  Northeastern 
  America. 
  201 
  

  

  Cross 
  aster 
  papposus 
  Miill. 
  and 
  Troschel. 
  

  

  Asterias 
  papposa 
  Fabricius, 
  Fauna 
  Gronlandica, 
  p. 
  369, 
  1780. 
  

  

  Solasier 
  papposus 
  Forbes, 
  Mem. 
  Wern. 
  Soc., 
  vol. 
  viii, 
  p. 
  121, 
  1839; 
  Brit. 
  Star- 
  

   fishes, 
  p. 
  112, 
  fig., 
  1841; 
  Stimpson, 
  Invert. 
  Grand 
  Manan, 
  p. 
  15, 
  1853; 
  

   Miill. 
  and 
  Trosch., 
  Syst., 
  p. 
  26, 
  1842; 
  Perrier, 
  Stellerides 
  du 
  Mus., 
  p. 
  94; 
  

   Danielssen 
  and 
  Koren, 
  op. 
  cit., 
  p. 
  48, 
  pi. 
  9, 
  fig. 
  12, 
  1884. 
  

  

  Orossaster 
  papposus 
  Miill. 
  and 
  Trosch., 
  Wieg. 
  Arch., 
  vol. 
  iv, 
  part 
  1, 
  p. 
  183, 
  1840 
  ; 
  

   Yerrill, 
  Proc. 
  Boston 
  Soc. 
  Nat. 
  Hist., 
  vol. 
  x, 
  p. 
  345, 
  1866 
  ; 
  A. 
  Agassiz. 
  North 
  

   Amer. 
  Starfishes, 
  pp. 
  99, 
  112, 
  pi. 
  12, 
  figs. 
  1-5, 
  1877 
  ; 
  Duncan 
  and 
  Sladen, 
  op. 
  

   cit., 
  p. 
  36, 
  pi. 
  3, 
  figs. 
  1-4, 
  1881; 
  Sladen, 
  Yoy. 
  Challenger, 
  vol. 
  xxx, 
  p. 
  444. 
  

  

  B. 
  range, 
  to 
  179 
  fath. 
  Taken 
  by 
  the 
  Gloucester 
  fisher- 
  

   men 
  at 
  numerous 
  localities 
  on 
  all 
  the 
  fishing 
  Banks, 
  from 
  off 
  

   Newfoundland, 
  K 
  lat. 
  49° 
  20' 
  30" 
  to 
  George's, 
  in 
  40 
  to 
  125 
  

   fathoms 
  ; 
  and 
  by 
  the 
  U. 
  S. 
  Fish. 
  Comm., 
  from 
  K 
  lat. 
  46° 
  58' 
  

   to 
  40° 
  09'. 
  It 
  is 
  common 
  in 
  the 
  Bay 
  of 
  Fundy, 
  from 
  extreme 
  

   low-water 
  mark 
  to 
  60 
  fathoms 
  on 
  hard 
  bottoms 
  ; 
  less 
  common 
  

   and 
  smaller 
  in 
  Casco 
  Bay 
  and 
  Massachusetts 
  Bay, 
  10 
  to 
  50 
  

   fath. 
  It 
  is 
  found 
  in 
  the 
  Arctic 
  Ocean 
  and 
  on 
  the 
  northern 
  

   coasts 
  of 
  Europe. 
  

  

  A 
  closely 
  related 
  species 
  (S. 
  penicellatus 
  SI.) 
  occurs 
  in 
  the 
  

   S. 
  Atlantic, 
  S. 
  lat. 
  37° 
  25' 
  30" 
  to 
  46° 
  43', 
  in 
  110 
  to 
  140 
  fath. 
  

   Another 
  allied 
  form 
  occurs 
  on 
  the 
  N.W. 
  coast 
  of 
  America. 
  

  

  Crossaster 
  heliaxthus 
  Yerrill. 
  

  

  Proc. 
  Nat. 
  Mus., 
  vol. 
  xvii, 
  p. 
  274, 
  1894. 
  

  

  B. 
  range, 
  100 
  to 
  150 
  fath,, 
  near 
  George's 
  Bank. 
  

  

  Lophaster 
  furcifer 
  Yerrill. 
  

  

  Solaster 
  furcifer 
  Duben 
  and 
  Koren, 
  K. 
  Yet. 
  Akad. 
  Forhandl., 
  p. 
  243, 
  pi. 
  6, 
  figs. 
  

   7-10, 
  1844; 
  Thomson, 
  Depths 
  of 
  the 
  Sea, 
  pp. 
  119, 
  456, 
  figs. 
  14, 
  75, 
  1873; 
  

   Danielssen 
  and 
  Koren, 
  op. 
  cit, 
  p. 
  47, 
  pi. 
  8, 
  fig. 
  12 
  ; 
  pi. 
  9, 
  figs. 
  9-11, 
  1884. 
  

   Lophaster 
  furcifer 
  Yerrill, 
  this 
  Journal, 
  vol. 
  xvi, 
  p. 
  214, 
  1878; 
  Duncan 
  and 
  

   Sladen, 
  op. 
  cit, 
  p. 
  43, 
  pi. 
  3, 
  figs. 
  9-12, 
  1881; 
  Yerrill, 
  Expl. 
  by 
  the 
  Alba- 
  

   tross, 
  p. 
  541, 
  pi. 
  16. 
  figs. 
  49, 
  49 
  a 
  , 
  1885; 
  Sladen. 
  Yoyage 
  Challenger, 
  vol. 
  xxx, 
  

   p. 
  459, 
  1889. 
  

  

  B. 
  range, 
  111 
  to 
  640 
  fath. 
  Taken 
  at 
  several 
  stations 
  from 
  

   K 
  lat. 
  47° 
  40' 
  to 
  40° 
  01' 
  ; 
  also 
  in 
  the 
  Gulf 
  of 
  Maine 
  in 
  150 
  

   fath., 
  1872. 
  It 
  is 
  also 
  European 
  and 
  Arctic 
  (N. 
  lat. 
  81° 
  41'). 
  

  

  An 
  allied 
  5-rayed 
  species 
  (Z. 
  radians 
  Perrier) 
  occurs 
  in 
  the 
  

   West 
  Indies. 
  

  

  Another 
  closely 
  related 
  species 
  (Z. 
  stellans 
  SI.) 
  occurs 
  off 
  

   the 
  W. 
  coast 
  of 
  S. 
  America, 
  in 
  40 
  to 
  1325 
  fath. 
  

  

  Family 
  Pterastekid^e. 
  

   Ptee 
  aster 
  pulvillus 
  M. 
  Sars. 
  

  

  Pteraster 
  pulvillus 
  Sars, 
  Overs. 
  Norges 
  Echinod., 
  p. 
  62, 
  pi. 
  6, 
  figs. 
  14-16, 
  pis. 
  7, 
  

   8, 
  1861; 
  Yerrill, 
  this 
  Journal, 
  vol. 
  xvi, 
  p, 
  371, 
  1878. 
  

  

  B. 
  range, 
  20 
  to 
  111 
  fath. 
  Eare. 
  K 
  lat. 
  46° 
  50' 
  to 
  Gulf 
  of 
  

   Maine, 
  off 
  Isles 
  of 
  Shoals, 
  1ST. 
  H. 
  Bay 
  of 
  Fundy, 
  20 
  fath. 
  

   Banks 
  off 
  Xova 
  Scotia 
  and 
  Newfoundland. 
  It 
  occurs 
  also 
  off 
  

   the 
  northern 
  coasts 
  of 
  Europe 
  and 
  in 
  the 
  Arctic 
  Ocean. 
  

  

  Am. 
  Jour. 
  Sci.— 
  Third 
  Series, 
  Yol. 
  XLIX, 
  Xo 
  291.— 
  March, 
  1895. 
  

   14 
  

  

  