444 THE VOYAGE OF H.M.S. CHALLENGER. 
Chorological Synopsis of the Species. 
Ocean. Range in Fathoms, Nature of the Sea-bottom, 
AP f Atlantic (? Pacific : Clay (coarse, sandy, Blue) ; 
Crossaster afjinis  . - - |) Bering Strait). 70 to 634 Since 4 2 
Crossaster neptuni . : ay | eueaeitic: eee see 
Crossaster papposus . : . | Atlantic. Shallow water to 640 Hard ground, Clay. 
Crossaster penicillatus . . | Southern Ocean. 140 Volcanic mud. 
1. Crossaster papposus (Linck), Miler and Troschel. 
Triskaidecactis papposus, Linck, 1733, De Stellis marinis, p. 43, tab. xxxii. No. 52, tab. xxxiv. 
No. 54, 
Asterias helianthemoides, Pennant, 1777, British Zoology, vol. iv. p. 66, No. 72. 
Asterias papposa, Fabricius, 1780, Fauna Greenlandica, p. 369, No. 364. 
Asterias (Solasterias) papposus, Blainville, 1834, Manuel d’Actinologie, p. 241. 
Stellonia papposa, Agassiz, 1835, Prodr. Monog. Rad., Mém, Soe. Sei. Nat. Neuchatel, t. i. p. 192. 
Solaster papposa, Forbes, 1839, Ast. Irish Sea, Mem. Wern. Soc., vol. viii. p. 121. 
Crossaster papposus, Miiller and Troschel, 1840 (April), Monatsber. d. k. preuss. Akad. d. Wiss. 
Berlin, p. 103. 
Solaster (Polyaster) papposa, Gray, 1840 (November), Ann. and Mag. Nat. Hist., vol. vi. p. 183, 
Localities.—Station 48. South-west of Halifax, Nova Scotia. May 8,1873. Lat. 43° 
4’ 0" N., long. 64° 5/0” W. Depth 51 fathoms. Rock. Surface temperature 38°0 Fahr. 
“Porcupine” Expedition : 
Station 52. In the Faerde Channel. Lat. 60° 25’ N., long. 8° 10’ W. Depth 384 
fathoms. Bottom temperature —0°°8 C.; surface temperature 11°-2 C. 
Station 57. In the Faerde Channel. Lat. 60° 14’ N., long. 6°17’ W. Depth 632 
fathoms. Bottom temperature —0°-8 C.; surface temperature 11°'1 C. 
Station 64... Between the Faerée and Shetland Islands. Lat. 61° 21’ N., long. 3° 44’ 
W. Depth 640 fathoms. Bottom temperature —1°1 C.; surface temperature 9°-3 C. 
“Knight Errant” Expedition : 
Station 3. In the Faerée Channel. August 3 and 4, 1880. Lat. 59° 12’ N., long. 
5° 57’ W. Depth 53 fathoms. 
la. Crossaster papposus, var. septentrionalis, Sladen. 
Crossaster papposus, var. septentrionalis, Sladen, 1882, Proc. Roy. Soc. Edin., vol. xi. p. 704. 
Rays ten, short, broad at the base, and sharply tapering. R=35 mm., r=18 mm. 
R<2~,r. Abactinal surface of the disk gibbous, sloping rather quickly at the base of the 
1 This occurrence is recorded in Sir Wyville Thomson’s Depths of the Sea, but I have not seen any 
specimen from this station. 
