444 



THE VOYAGE OF H.M.S. CHALLENGER. 



Chorological Synopsis of the Species. 



1. Crossaster papposus (Linck), Muller and Troschel. 



Triskaidecaetis 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 Groenlandica, p. 369, No. 364. 

 Asterias (Solasterias) papposus, Blainville, 1834, Manuel d'Actinologie, p. 241. 

 Stellonia papposa, Agassiz, 1835, Prodr. Monog. Rad., Mem. Soc. Sci. 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 (Pohjaster) 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 Faeroe Channel. Lat. 60° 25' N., long. 8° 10' W. Depth 384 

 fathoms. Bottom temperature -0 o- 8 C. ; surface temperature ll° - 2 C. 



Station 57. In the Faeroe Channel. Lat. 60° 14' N., long. 6° 17' W. Depth 632 

 fathoms. Bottom temperature — 0°-8 C. ; surface temperature 11 0, 1 C. 



Station 64. 1 Between the Faeroe 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 Faeroe 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, 1S82, Proc. Roy. Soc. Edin., vol. xL 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. 



