OCR Text |
Show 546 DR. J. E. GRAY ON SPONGES. [May 9, so that the rays alternate ; the rays flat, short, broad, truncated, two, three, four, or rarely five subequal acute lobes at the ends. Axos CLIFTONII. Sponge, Bowerb. B. S. i. p. 260, f. 197. Hab. Australia, Nichol's Bay (Cr. Clifton). See Samus anonyma, Bowerb. B. S. f. 41, 42, in Clionidee. 23. ACHINOE. Sponge ? Spicules stellate, three-rayed ; rays much larger than the small central body, with one or more whorls of acute conical tubercles. ACHINOE AUSTRALIS, Bowerb. B. S. i. p. 268, f. 235, 236. Hab. West Australia, Freemantle. See also Bowerbank's Brit. Sponges, f. 166. South Seas. 24. CYAMON. Sponge ?, spiculose. Spicules stellate, three- or four-rayed; rays from a central point, cylindrical, blunt, minutely spined all over. CYAMON VICKERSII. Dictyocylindrus vickersii, Bowerb. B. S. i. p. 267, f. 234. Hab. West Indies. See also a parasitic sponge, Bowerb. ib. p. 242, f. 88. 25. SOLINA. Sponge ? Spicules stellate, three-rayed ; rays from a central point, elongate, cylindrical, blunt, with regular whorls of many small spines. SOLINA ELEGANS, Bowerb. B. S. i. p. 241, f. 84. Hab. Indian Ocean ? 26. ?EURYADES, Duchass. & Michelotti, Sp. Caraibe, p. 106. Sponge subgiobose, lobed, horny, reticulated, with large concave central oscules. Spicules large, tricuspid, rays acute. EURYADES NOTABILIS, Duchass. & Michel, ib. p. 206, t. 25. f. 3. Hab. West Indies, St. Thomas's. Order V. ARENOSPONGIA. Sponge consisting of a disk of agglutinated sand, with a series of diverging spicules on the circumference of the disk, and a pencil of similar spicules at the mouth of the oscules on the upper surface of the disk. |