218 



THE VOYAGE OF H.M.S. CHALLENGER. 





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Table of Species of Ophiothrix — continued. 



Four to six arm spines. Very few slender spines on disk. A ) o,,/,/„/;„,> memonii. 

 purple stripe along upper and lower sides oi arm, . . J -^ 



Nine to eleven arm spines. Disk set with needle-like spines \ 



and minute stumps. Tentacle scale running along ontei ^- OphiofJirix liridicdha. 



edge of arm plate. A green stripe along ujiper arm, . j 



« 

 Four to five arm spines. Stout articulated spines on disk, \ 



with some very short. A purpile line running along upper ^ Ophiotliri.i: ];iurpurca. 



arm. Disk lined with purple ami yellowish, . . ) 



r Four to five arm spines. Long haii'-like spines on disk and 1 

 j radial shields. A white line along upper arm with a Ojihiothrix comata. 

 purple one on either side, . . . . ) 





Large (disk 22 mm.). Disk and radial shields set with | ^ ;„-^/;,,-, ,,,„///„,,■,. 

 minute stumps, wide brown stripe along upper arm, . j -' 



Numerous trifid, slender stumps on disk ; among them a few \ 



slender spines. Six slender, strongly echinate arm spine.s. A ■ Oi'Mothrix eJegans. 

 dark line along upper arm, . . . . . ) 



Upper disk densely beset with hair-like spines. Eight needle-like 1 



arm spines, echinate only at the tip. A radiating black line Ojihiothrix capemis. 

 in each brachial space, . . . . . ) 



Upper disk densely beset with rather coarse spines. Seven to \ 



eight somewhat stout, strongly echinate arm spines. (Belongs ■ Ophiothrix pallida. 

 nc-AV UjihiotJu-ix aiKjulata?), . . . . .) 



Upper disk beset with coarse, sharp, echinate spines. Eadial \ 



shields large. Ten moderately stout very echinate arm sp)ines. Ophiothrix aristulata. 

 Colour pinkish, . . . . . . j 



„„ . ■ i Similar to Onhiuthrij: hirsida, Ijut with a glossy disk. 



Of uncertain ) -' ' o j > 



jilace. ) 



Ophiothrix pilanalata. 

 Ophiothrix ccerulea. 



Ophiothrix liitkeni, Wyv. Thomson, Depths of Sea, p. 100, 1872. 



Station 75.— July 2, 1873 ; lat. 38° 37' N., long. 28° 30' W. ; 450 fathoms (young) ; 



sand. 



Ophiothrix trujloclds, Mull. & Tr., Syst. Ast., p. 114, 1842; Ltk., Addit. ad Hist., 

 part 3, p. 59. 



Simon's Bay ; 5 to 1 8 fathoms. 



Ophiothrix cccspitosa, Lym. (PI. XXVI. figs. 12-14). 



Ophiothrix ccespitosa, Lym., Bull. Mus. Comp. Zool, 

 417-420, 1879. 



Nine short, stout, much flattened, strongly toothed arm spines. The puffed disk and 



Ophiothrix ccespitosa, Lym., Bull. Mus. Comp. Zool., vol. vi., part 2, p. 53, pi. xv. tigs. 

 417-420, 1879. 



