1867.] DR. J. E. GRAY ON SPONGES. 523 



Abila FREYERII. 



Raspaliafreyerii, O.Schmidt, p. 60, t. o. f. 13. B.M. 



21. SuBERiTES, Nardo ; O. Schmidt, p. 6.3. 



Sponge massive, compact, fleshy, smooth, sometimes with project- 

 ing spicules. Skin with or without spicules. Spicules pin-shaped, 

 fasciculated ; fascicules often expanding near the surface. 



■f Skin without spicules. 



1. SUBERITES SUBERIA. B.M. 



Spongia suberia, Montag. 



Halichondria suberica, Fleming. 



H. suberea, Johnston. 



Hymeniacidon suberea, Bowerb. B. S. p. 200, f. 23. 



2. SUBERITES CARNOSA. B.M. 



Ilalicondria carnosa, Johnst. 



Hymeniacidon carnosa^ Bowerb. B. S. p. 203. 



3. SUBERITES GELATINOSA. 



Hymeniacidon gelatinosa, Bowerb. B. S. ii. p. 222. 

 ft Skin with spicules like the flesh. 



4. SUBERITES SULPHUREA. 



Hymeniacidon sulphurea, Bowerb. B. S. ii. p. 208. 



ftf Spicules in skin and flesh spinose. Flacius. 



5. SUBERITES CLAVIGERA. 



Hymeniacidon clavigera, Bowerb. B. S. p. 211, f. 83. 



22. FiCULINA. 



Sponge massive ; surface even ; oscules few, large. Skin thin, 

 granular, spiculose. Spicules of three kinds : — 1 . Pin-shaped. 

 2. Fusiform. 3. Cylindrical, with central knobs, straight or rather 

 angularly bent. 



FiCULINA FICUS. B.M. 



Halichondria ficus, Johnston. 



Hymeniacidon ficus, Bowerb. B. S. ii. p. 206, f. 95. 



See Isodictya anomala, Bowerb. B. S. ii. p. 293, f. 4. 



23. Raspalia. 



Sponge 1 Spicules short, thick, pin-shaped, nodulous. 



Raspalia, Nardo ; O. Schmidt, Sp. Ad. p. 59 (part.). 



Raspalia typica, Nardo; O. Schmidt, p. 59, t. 4. f. 1. B.M. 



