138 OPHIUROIDEA. 
? Euryale scutatum, De Bl. Actin. (1884) p. 246 (non Gould, Invert. 
Mass. (1841) p. 545). 
Astrophyton scutatum, Forbes, Brit. Starf. (1840) p. 67 (non Agassiz, 
Mém. Soc. Neuch. ii. (1859), Notice &e. p. 11). 
Astrophyton linckii, M. Tr. Syst. Ast. (1842) p. 122; Lyman, Ill. 
Cat. M. C. Z. 1. (1865) p. 190; Norman, Ann. § Mag. xv. (1865) 
. 105. 
Goseonodapieind linckii, Lyman, Chall. Rep. Oph. (1882) p. 264; 
Hoyle, Proc. R. Phys. Soc. Ed. viii. (1885) p. 138. 
Disk with a single madreporite at one of the angles of the rays, 
equally covered on the whole of the dorsal surface with strong 
spinous cylinders or cones, the longest near or on the margin; un- 
equal and irregular development of spines on the ventral surface. 
No tubercles on the arms, but on the ventral side a median band of 
large granules ; papille well developed, three and then four in a 
row. 
Distribution. North Atlantic (eastern side). 
No specimen from British area in the collection of the British 
Museum. 
2. Gorgonocephalus eucnemis. 
? Asterias caput-meduse, Fabr. Faun. Grenl. (1780) p. 872, no. 367 ; 
Dewhurst, Nat. Hist. Cetacea, (1854) p. 279. 
Astrophyton eucnemis, M. Tr, Syst. Ast. (1842) p. 125; Liith. K. 
Dansk. Vid. Selsk. Skrift. v. (1859) p. 70, pl. ii. figs. 9-19; Sars, 
Norg. Ech. (1861) p.4; Lyman, Til. Cat. M. C. Z.i. (1865) p. 181; 
Marenzeller, Denks, Ak. Wien, xxxv. (1878) p. 383. 
Gorgonocephalus eucnemis, Lyman, Chall. Rep. Oph. (1882) p. 263; 
Hoyle, Proc, R. Phys. Soc, Ed. viii. (1884) p. 187, 
Disk with a single madreporite at one of the angles of the rays. 
Surface of disk with thin integument, through which the elongated 
radial shields stand out very prominently ; the surface of the shields 
loosely covered with granules, but there are no spines or tubercles ; 
skin in interbrachial areas smooth, as are, too, the under surfaces 
of the arms; three, four, or five papille. 
Colour yellowish brown. 
Distribution. Northern parts of Atlantic (east and west). 
