| OCR Text |
Show 520 DR. J. E. GRAY ON SPONGES. [May 9, 5. HALISARCA. Sponge expanded, smooth, gelatinous. Spicules of two kinds :- 1. Cylindrical, very slender, flexuous. 2. Slender, needle-like, spinose. HALISARCA DUJARDINII, Johnston. B.M. Hymeniacidon dujardinii, Bowerb. B. S. ii. p. 224. 6. LlEBERKUHNIA. Sponge funnel-shaped, turbinate or globose. Texture entirely reticulated. Spicules small, slightly arched, pointed at each end, placed in series forming the fibres. Lieberkuhnia, Balsamo-Crivelli, 1863; O. Schmidt, Supp. i. p. 43. LlEBERKUHNIA AGAGROPHLA, BalsamO, I. C. B.M. Lieberkuhnia calix, O. Schmidt, Supp. ii. p. 43. Esper a calix, Nardo. Reniera calix, O. Schmidt, i. p. 76, t. 7. f. 12. 7. TEDANIA. Sponge lobed, crested, with a lateral tube ending in an open mouth. Spicules of three kinds : - 1 . Clavate, needle-shaped. 2. Fusiform, very slender, elongate, sometimes flexuous. 3. Cylindrical, with rather thicker, blunt ends. 1. TEDANIA DIGITATA. B.M. Reniera digitata, O. Schmidt, p. 75, t. 7• f. 11. 2. TEDANIA AMBIGUA. Reniera ambigua, O. Schmidt, Supp. ii. t. 4. f. 8. 8. OROIDEA. Sponge massive. Spicules cylindrical, with regular whorls of spines, truncated and torn at one end, and attenuated and pointed at the other. OROIDEA ADRIATICA. B.M. Clathria oroides, O. Schmidt, Sp. Adriat. Supp. i. t. 4. f. 2. 9. PRIANOS. Sponge massive. Spicules of two forms:-1. Cylindrical, blunt and rounded at each end. 2. Cylindrical, slender, angularly bent in the middle. PRIANOS AMORPHUS. B.M. Reniera amorpha, O. Schmidt, Supp. i. t. 4. f. 7. |
