OPHIUROIDEA OF THE BAHAMA EXPEDITION. "77 



Stations 4 and 13, of Havana, no to 200 fathoms, three 

 examples; station 29, off Sand Key, 116 fathoms, one example; 

 station 15, 200 fathoms, three examples. Taken by the 

 Blake Exped., in many localities, in 69 to 288 fathoms. 



Like the allied species, this clings to certain gorgonians 

 that it closely imitates in form and colors. 



One six-rayed specimen was taken off Havana. 



Astroschema arenosum Lyman. 



Astroschema arenosum Lyman, Bull. Mus. Comp. Zool., V, 9, p. 23, 

 pi. Ill, figs. 62, 64, 1878; op. cit. X, p. 280; Lyman, Report Voy. 

 Challenger, Zool., Ophiuroidea, V, 278. 



Ophicreas sp., Nutting, Narrative, p. 80. 



Station 29, off Sand Key, 116 fathoms, one example; sta- 

 tion 37, off Key West, 125 fathoms, one example. Taken 

 by the Blake Exped., in 124 to 805 fathoms. 



Astroschema intectum Lyman. 



Astroschema intectum Lyman, Bull. Mus. Comp. Zool., V, 9, p. 235, 

 pi. Ill, figs. 59-61, 1878; Lyman, Report Voy. Challenger, Zool., 

 Ophiuroidea, V, p. 278. 



Ophiocreas, sp., Nutting, Narrative, p. 80. 



Station 13, off Havana, 200 fathoms, three examples. Tak- 

 en by the Blake Exped., in 175 fathoms. 



Astroschema nuttingii, sp. nov. 



Plate VII; Figures 3, 3#. 



Five long, slender, curled arms. ' Disk five-lobed, with ten 

 prominent radial ridges (when dry), extending nearly to the 

 center; its whole surface is covered with minute, rough, 

 rounded granules, those on the ribs distinctly coarser and 

 more crowded than the rest; those in the depressions between 

 the ribs very minute and scattered, showing the naked skin 

 between them; the skin is divided into small areas, which ap- 

 pear to cover small imbedded scales. 



