LIST OF WORKS. 
Spong. 3 
30. [Potts, E.] A New Fresh-water Sponge from Nova Scotia ( Hetero- 
meyenia pictonensis, sp. n.). P. Ac. Philacl. 1885, pp. 28 & 29 ; Ann. 
N. H. (5) xv. pp. 425 & 426. 
31. -. A Fresh-water Sponge from Mexico ( Meyenia mexicana , sp. n.). 
Am. Nat. xix. pp. 810 & 811. 
32. -. Fresh-water Sponges from Mexico. P. U. S. Nat. Mus. 1885, 
pp. 587-589. 
33. Rice, H. J. Sponges. J. N. Y. Micr. Soc. i. pp. 116-122. 
34. Ridley, S. O. The Monaxonicla. Chall. Nar. i. pp. 569-573, 
figs. 187 & 188- 
35. Schmidt, O. Enstehung neuer Arten du.rch Verfall und Schwund 
alterer Merkmale. Z. wiss. Zool. xlii. pp. 639-647, pi. xxiii. 
36. Schulze, F. E. Ueber das Yerwandtschaftsverhaltniss der Spongien 
zu der Choanoflagellaten. SB. Ak. Berlin, 1885. pp. 179-191. [Trans, 
in Ann. N. H. (5) xv. pp. 365-377 ; extr. in Arch. Z. exper. (2) iii. 
pp. xliv.-xlvi.] 
37. -. Lebende Krusten von Oscar ella lobular is, O. S., var. ccerulea , 
aus Triest, mit in der Bildung begriffen und bereits abgestossen 
BruBkapseln. SB. nat. Fr. 1885, pp. 183-185. 
38. -. The Hexactinellida. Chall. Nar. i. pp. 437-451, figs. 158-170. 
39. Seely, H. M. A New Genus of Chazy Sponges, Strepliocetus, Am. 
J. Sci. (3) xxx. pp. 355-357. 
40. Sollas, W. J. Note on th 3 Structure of the Skeleton in the Ano- 
mocladina. Ann. N. H. (5) xv. pp. 236-238. 
41. -. On Vetulina stalactites (0. S.), and the Skeleton of the Ano- 
moclaclina. P. R. Irish Ac. (2) iv. pp. 486-492, pis. iii. & iv. [Abstr. 
in J. R. Micr. Soc. (2) v. p. 464.] 
42. -. On the Physical Characters of Calcareous and Siliceous Sponge 
Spicules and other Structures. P. R. Dubl. Soc. (n.s.) iv. pp. 374-392, 
pi. xv. 
43. -. On a Hexactinellid Sponge from the Gault, and a Lithistid 
from the Lias of England. T. c. pp. 443-446, pi. xxi. 
44. -. A Classification of the Sponges. Ann. N. H. (5) xvi. p. 395. 
45. -. The Tetractinellicla. Chall. Nar. i. pp. 451 & 452. 
46. Vejdovsky, F. Observations on some Fresh-water Sponges. Ann. 
N. H. (5) xv. pp. 14-18. [Translated by W. S. Dallas from SB. 
bohm. Ges. 1884 (cf. Zool. Rec. xxi. Spong. p. 4).] 
47. Vosmaer, G. C. J. Porifera , pts. vii.-xi. Bronn’s Klassen und 
Ordnungen, pp. 177-368, pis. xix.-xxv. 
-. Something about Scudder’s Nomenclator Zoologicus. Zool. 
Anz. viii. pp. 216-218. 
48. 
