A history of British star-fishes, and other animals of the class Echinodermata . Genus, Ophiocoma. Agassiz. Generic Character.—Rays simple, squamose, not prolonged into the disksuperiorly, and separated at their origins beneath by small pentangular plates.(Cirrhi pinnate.) GRAY BRITTLE-STAR. Ophiocoma neghcta. -Johnston. Specific Character.—Disk round, flat, imbricated with small smooth oblong, parallel, touching plates opposite the origin of each ray. Upper ray-scales square; lateral ray-plates, bearing four or five spines each, which areequal in length to the breadth of the ray. O
A history of British star-fishes, and other animals of the class Echinodermata . Genus, Ophiocoma. Agassiz. Generic Character.—Rays simple, squamose, not prolonged into the disksuperiorly, and separated at their origins beneath by small pentangular plates.(Cirrhi pinnate.) GRAY BRITTLE-STAR. Ophiocoma neghcta. -Johnston. Specific Character.—Disk round, flat, imbricated with small smooth oblong, parallel, touching plates opposite the origin of each ray. Upper ray-scales square; lateral ray-plates, bearing four or five spines each, which areequal in length to the breadth of the ray. OpMura ncglecta, Johnston, Mag. Nat. Hist. VIII. p. 4(57, fig. 42. La-marck, Anim. sans Vert. 2 Edit. p. ncglecta, Forbes, Wern. Mem. vol. VIII. p. 120, pi. iv. fig. elegans, Leach, Zool. Misc. II. p. 57. Tnrc Brittle-stars are at once recognised as distinctfrom the true Ophiurae, either alive or dried, by their GRAY BRITTLE-STAR. 31 peculiar habit, as well as by minute but more easily-definable characters. The rays of the Sand-stars have awhip-like
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