68 SPONGIDA. 



GRAY, J. E. On the peculiar Structure and Function of the Spicules of Hyalo- 

 nema. Ann. and Mag. of Nat. Hist. Ser. 4, Vol. i. pp. 292295, 1868. [192 



GRAY, J. E. Observations on Sponges and on their Arrangement and Nomen- 

 clature. Ann. and Mag. of Nat. Hist. Ser. 4, Vol. i. pp. 161173, 1868. [193 



GRAY, J. E. Note on Hyalonema Schultzei, Semper. Ann. and Mag. of Nat. 

 Hist. Ser. 4, Vol. n. pp. 373378, 1868. [194 



GRAY, J. E. Note on Hyalonema boreali, Love'n. Ann. Mag. Nat. Hist. Ser. 4, 

 Vol. i. p. 484, 1868. [195 



GRAY, J. E. On the name Alcyoncellum. Ann. Mag. Nat. Hist. Ser. 4, Vol. n. 

 pp. 390, 391, 1868. [196 



GRAY, J. E. Note on lanthella, a new genus of Keratose Sponges. Proc. Zool. 

 Soc. 1869, pp. 4951. [197 



GRAY, J. E. On the Manner of Growth of Hyalonema. Ann. and Mag. of Nat. 

 Hist. Ser. 4, Vol. in. pp. 192196, 1869. [198 



GRAY, J. E. Note on a new Genus of Sponge from West Australia (Echino- 

 spongia australis = Axos Cliftoni). Ann. and Mag. of Nat. Hist. Ser. 4, Vol. vi. 

 pp. 272346, 1870. [199 



GRAY, J. E. Notes on Anchoring Sponges (Pheronema, Holtenia). Ann. and 

 Mag. of Nat. Hist. Ser. 4, Vol. vi. pp. 309312, 1870. [200 



GRAY, J. E. Note on Spongia linteiformis and S. lycopodium, Esper. Ann. 

 Mag. Nat. Hist. Ser. 4, Vol. vm. p. 142, 1871. [201 



GRAY, J. E. Notice of a new Netted Sponge (Meyerella) from the Philippines. 

 Ann. and Mag. of Nat. Hist. Ser. 4, Vol. x. p. 76, 1872. [202 



GRAY, J. E. On the Name Tethya and its Varieties of Spelling. Ann. and Mag. 

 of Nat. Hist. Ser. 4, Vol. x. pp. 150, 151, 1872. [203 



GRAY, J. E. On the Animal of the Glass-rope. Ann. and Mag. of Nat. Hist. 

 Ser. 4, Vol. ix. pp. 324, 325, 1872. [204 



GRAY, J. E. Notes on the Classification of the Sponges. Ann. and Mag. of 

 Nat. Hist. Ser. 4, Vol. ix. pp. 442462, 1872. [205 



GRAY, J. E. On a new Genus of Hexaradiate, and other Sponges discovered 

 in the Philippine Islands by Dr A. B. Meyer (Crateromorpha). Ann. and Mag. of 

 Nat. Hist. Ser. 4, Vol. x. pp. 134139, 1872. [206 



GRAY, J. E. Sponges from Ceylon. Ann. and Mag. of Nat. Hist. Ser. 4, Vol. 

 xn. pp. 266, 267, 1873. [207 



GRAY, J. E. On two new Free Sponges from Singapore (Psetalia, Labaria). 

 Ann. and Mag. of Nat. Hist. Ser. 4, Vol. xi. pp. 234, 235, 1873. [208 



GRAY, J. E. Notes on the Siliceous Spicules of Sponges, and on their Division 

 into Types. Ann. and Mag. of Nat. Hist. Ser. 4, Vol. xn. pp. 203 217, 

 1873. [209 



GRAY, J. E. Natal Sponges (Leuconia, Ciocalypta). Ann. and Mag. of Nat. 

 Hist. Ser. 4, Vol. xn. p. 264, 1873. [210 



GRAY, J. E. On the Genus Oceanapia, Norman (Rhi zochalina of Oscar Schmidt). 

 Ann. and Mag. of Nat. Hist. Ser. 4, Vol. xn. p. 266, 1873. [211 



GRAY, J. E. On the Arrangement of Sponges. Ann. and Mag. of Nat. Hist. 

 Ser. 4, Vol. xm. pp. 284291, 1874. [212 



GRIMM, E. 0. Aralo-Caspian Kesearches (Russian). St Petersburg, 1876, 1877. 

 (New Sponges, Vol. 11. pt. 1, p. 80, pi. ii. and iii. ; pt. 2, p. 29, pi. ix.) [213 



GUILLAUME, . Notice sur les eponges du lac de Neuchatel. Bull, de la Soc. des 

 Sci. Nat. de Neuchatel, Vol. vi. pp. 405411, 1864. (1 pi.) [214 



GUMBEL, C. W. Spongien-Nadeln im Flysch. Verh. k. k. geol. Reichsanst. 

 Wien, 1880, pp. 213215. [215 



HADLOW, H. The Hyalonema mirabilis. Tr. A. S. Japan, 1872-3, p. 10, 1874. 



[216 



H^CKEL, ERNST. Ueber den Organismus der Schwamme und ihre Verwandt- 

 schaft mit den Corallen. Jenaische Zeitschr. f. Medicin, etc. Vol. v. pp. 207235, 

 1870. 21 



