198 WORKS AND PAPERS ON SPONGES. 



1867, p. 117 ; Ann. Nat. Hist., vol. i, 1868, p. 292 ; vol. ii, 



1868, p. 264 ; vol. iii, 1869, p. 192. 



GRAY (J. E.). On Venus' Flower-Basket (Euplectella speciosa), 



Ann. Nat. Hist, vol. xviii, 1866, p. 487. 

 On Placo&pongia, a new generic form of Spongiadse in the 



British Museum, Proc. Zool. Soc., 1867, p. 127. 

 Notes on the arrangement of Sponges with the description of 



some new Genera, Proc. Zool. Soc., 1867, p. 492. 

 Observations on Sponges and on their arrangement and 



nomenclature, Ann. Nat. Hist., 1868, vol. i, p. 161. 

 Letter from, containing a reply to Dr. Bowerbank's remarks 



on his 'Notes on Sponges,' Proc. Zool. Soc. Lond., 1868, 



p. 532. 

 Notes on Theonilla, a new genus of Coralloid Sponges from 



Formosa, Proc. Zool. Soc. Lond., 1868, p. 565. 

 Notes on Ceratellidce, a family of Keratose Sponges, Proc. 



Zool. Soc., 1868, p. 575. 

 Notes on Xylospongia Coolcii, a new genus of Palmated 



Sponges in the Collection of the British Museum, Proc. Zool. 



Soc. Lond., 1868, p. 637. 



On Alcyonellum, Ann. Nat. Hist., vol. ii, 1868, p. 390. 



Note on Hyalonema boreale, Loven, Ann. Nat. Hist., vol. i, 



1868, p. 484. 

 Note on Hyalonema Schultzei, Semper, Ann. Nat. Hist., vol. ii, 



1868, p. 373. 

 On Tetilla euplocamus and Hyalonema boreale, Ann. Nat. Hist., 



vol. ii, 1868, p. 319. 

 Note on Janthella, a new genus of Keratose Sponges, Proc. 



Zool. Soc., 1869, p. 49. 

 Note on a new genus of Sponge from West Australia, Ann. 



Nat. Hist., ser. 4, vol. vi, 1870, pp. 272 and 346. 

 Notes on Anchoring Sponges (in a letter to Mr. Moore), 



Ann. Nat. Hist., ser. 4, vol. vi, 1870, p. 309. 

 Notes on the classification of Sponges, Ann. Nat. Hist., 



ser. 4, vol. ix, 1872, p. 442. 

 On a new netted Sponge (Mey&rella) from the Philippines, 



Ann. Nat. Hist., ser. 4, vol. x, 1872, p. 76. 

 New genus of Hexradiate and other Sponges discovered in the 



Philippine Islands, by Dr. A. B. Meyer, Ann. Nat. Hist... 



eer. 4, vol. x, 1872, p. 134. 



