WORKS AND PAPERS ON SPONGES. 199 



GRAY (J. E.). On the Animal of the Glass Eope ; on the name 



TetTiya and its varieties of spelling ; Marine Sponges in the 



British Museum, Ann. Nat. Hist., ser. 4, vol. x, 1872, p. 152. 

 Notes on the siliceous spicules of Sponges, and on their division 



into types, Ann. Nat. Hist., ser. 4, vol. xii, 1873, p. 203. 

 On two new Free Sponges from Singapore, Ann. Nat. Hist., 



ser. 4, vol. xi, 1873, p. 234. 

 On the arrangement of Sponges, Ann. Nat. Hist., ser. 4, 



vol. xiv, 1874, p. 284. 

 HAEDWICKE (T.). Description of a Zoophyte, commonly found 



about the coasts of Singapore (Sponyia patera), Asiat. 



Besearch, xi, 1822, pp. 180, 181. 

 CHIAJE (S. delle). Memorie sulla storia e anatomia degli animali 



senza vertebre del regno di Napoli, 1823-9, Napoli. 

 BELL (Thomas). Remarks on the animal nature of Sponges, 



Zoological Journal, vol. i, 1824, p. 202. 

 GEANT (E. E.). Observations and experiments on the structure 



and functions of the Sponge, Edinburgh Phil. Journ., vol. xiii, 



1825, pp. 94107, 343346 ; vol. xiv, 1826, pp. 113124, 



336341. 

 Eemarks on the structure of some Calcareous Sponges, Edinb. 



New Phil. Jour., vol. i, 1826, pp. 166171. 

 Observations on the structure of some Siliceous Sponges, 



Edinb. New Phil. Jour., vol. i, 1826, pp. 341351 ; and vol. ii, 



pp. 121141. 

 Notice of a New Zoophyte (Cliona celata) from the Firth of 



Forth, Edinb. New Phil. Jour., vol. i, 1826, p. 78. 

 Structure and Nature of Spongilla friabilis, Ediub. Phil. 



Jour., vol. xiv, 1826, pp. 270284. 

 Notice of two new species of British Sponges (Sponjia 



sanguinea and S. cinerea), Edinb. New Phil. Jour., vol. ii, 



1827, p. 203. 

 Eisso (A.). Histoire Naturelle des principales productions de 



1'Europe Meridionale, vol. 5, 1827, Paris. 

 Bosc (L. A. G.). Histoire Naturelle des Vers, 2nd edit., 1827, 



Paris. 



FLEMING (J.). History of British Animals, Edinburgh, 1828. 

 EASPAIL (Fr. V.). Anatoniie Microscopique des Spong tiles, Mem. 



Soc. d'Hist. Nat. de Paris, iv, 1828, pp. 204237 and 246, 



pi. xxi ; Feruss. Bull., xiii, 1828, p. 170. 



