OCR Text |
Show 1867.] DR. J. E. GRAY ON SPONGES. 539 D. jeffreysii, Bowerb. ib. pp. 347-350. Halichondria corrugata, Bowerb. ib. ii. p. 242. H. Candida, Bowerb. ib. p. 251. H. pulchella, Bowerb. ib. p. 256. II. inornata, Bowerb. ib. p. 27. 26. ASYCHIS. Sponge ? Spicules of two forms:-1. Fusiform, large. 2. Fusiform, slender, bihamate, simple (and contorted), large, and small. 1. ASYCHIS FIBULATA. Reniera fibulata, O. Schmidt, p. 73, t. 7. f. 9. 2. ASYCHIS VARIANTIA. Halichondria variantia, Bowerb. B. S. f. 11, 409. Hymeniacidon varantia, Bowerb. ib. p. 174. 27. DYMNUS. Sponge ? Spicules:-1. Simple, bihamate, with an umbo on the inner or outer, or on the inner and outer sides of the middle of the shaft. DYMNUS SICULUS. Sponge from Sicily, Bowerb. B. S. i. p. 247, f. 115-117. 28. DAMO. Sponge ? Spicules bihamate, each of the ends clavate, rounded, blunt (see Bowerb. B. S. f. 118, 119, 120). DAMO BICLAVATA. Sponge, Bowerb. ib. i. pp. 44, 247, f. 118-120. 29. ABILA. Sponge-coating smooth. Oscules minute, dispersed. Skin spiculose. Spicules of three kinds:-1. Fusiform, long, slender, smooth. 2. Fusiform, tricurvate, stout. 3. Fusiform, stout, broad, spined. ABILA L^EVIS. Microciona Icevis, Bowerb. ib. ii. p. 127. 30. ORINA. Sponge massive, smooth. Outer skin with a network of spicules. Spicules of two kinds:-1. Fusiform slender. 2. Fusiform truncate. |