REPORT ON THE OPHIUROIDEA. 199 



Ophiacantha aspera, Lym., Bull. Mus. Comp. Zool., vol. v., part 9, p. 228, pi. i. 

 figs. 10-12, 1878. 



Off Havana ; 175 fathoms. 



Ophiacantha indica, Ljn., Oph. Viv., Of. Kong. Akad., p. 326, 1866. 

 Between Batavia and Singapore. 



Ophiacantha dallasii, Duncan, Linn. Soc. Journ., vol. xiv. p. 471, pi. xi. figs. 

 25-27, 1879. 



38° 19' N. 129° 7' E. ; 50 fathoms. 



Ophiacantha stellata, Lym., 111. Cat. Mus Comp. Zool., No. viii., part 2, p. 11, pi. ii. 

 figs. 16-18, 1875. 



Barbadoes ; 100 fathoms. 



Ophiacantha scutata, Lym., Bull. Mus. Comp. Zool., vol. v., part 9, p. 229, pi. i. 

 figs. 1-3, 1878. 



"West Indies ; 287 to 292 fathoms. 



Ophiacantha pentacrinus, Ltk., Addit. ad Hist., part 3, pp. 46 and 99, 1869 ; Lym., 

 Bull. Mus. Comp. Zool., vol. v., part 9, p. 230. 



Ophiacantha meridionals, Lym., Bull. Mus. Comp. Zool., vol. i., part 10, p. 324, 1869. 

 West Indies ; 74 to 539 fathoms. 



Ophiacantha abyssicola, G. O. Sars, Nye Echin. Vid. Selsk. Forh., p. 8, 1871. 

 Lofoten Island ; 20 to 300 fathoms. 



Ophiacantha marsupialis, Lym., 111. Cat. Mus. Comp. Zool., No. viii., part 2, p. 13, 

 pi. i. figs. 9, 10, 1875. 



Juan Fernandez ; 240 fathoms. 



Ophiolebes. 

 Ophiolebes, Lym., Bull. Mus. Comp. ZooL, vol. v., part 7, 1878. 



Disk and arms stout, and covered by a thick skin, which bears grains or stumps, and 

 hides more or less the underlying plates. Arm spines short, blunt, thorny, covered by 

 thick skin, and arranged on the sides of the side arm plates, which project but slightly. 

 Long, stout mouth papillse, and teeth ; no tooth papilla) ; peristomial plates large and 

 wide, making a circle by their connecting ends. Arm plates rather small, but normal, 

 nearly as in Ophiacantha. Two genital openings in each intcrbrachial space. 



