2 Spong . 
XVII. SP0NGI2E. 
Moluccas, Japan, Canada, and the Eastern Atlantic ; (55) in which 
Weltner gives a concise account of the structure of Ephydatia fluvia- 
tilis ; (35) in which MiNCHiN treats of the development of Asconids ; 
(1, 2) aud (4), in which Allen and Bidder dwell on the artificial culture 
of bath Sponges ; and (41) in which Rauff proves that the structures 
described by Cayeux (12, Zool. Rec. 1895) as remains of Precambrian 
Sponge-spicules, arc not of organic origin at all, but growing pyrites. 
I.— TITLES* 
1. Allen, E. J. Report on the Sponge-fishery of Florida, and the 
artificial culture of Sponges. J. Mar. Biol. Ass. (n.s.) iv, pp. 188— 
194. [Summaries, J. R. Micr. Soe. 189G, p. 319 ; Zool. Centralbl. iii, 
pp. 688-G90.] 
2. . Supplement to report on the Sponge-fishery of Florida, and 
the artificial culture of Sponges (Letter by Ralph Monroe). J.Mar. 
Biol. Ass. (n.s.) iv, pp. 289-292. [Summary, Zool. Centralbl. iii, 
pp. 892 & 893.] 
3. Bade, E. Das Siisswasseraquarium. Goschichte, Flora und Fauna 
des Susswasseraquariums, seino Anlage und Pflege. vi & 230 pp., 
258 figg., 6 pis. (Sponges under the heading “ Protozoa,” pp. 497 & 
498.) 
4. Bidder, G. Note on projects for the improvement of Sponge- 
fisheries. J. Mar. Biol. Ass. (n.s.) iv, pp. 195-202. [Summaries, 
J. R. Micr. Soc. 1896, p. 319 ; Zool. Centralbl. iii, pp. 688-690.] 
5. °Bogdanow, E. A. Ueber das Konserviren zoologischer Objecte 
mit Erhaltung der Form und Farbe. Tagblatt der zoologischen 
Abtheilung der Gesellschaft der Freunde der Naturwissenschaften 
in Moskau, ii, pp. 1-5. 
6. Bonaparte, R. Recherches faites sous la direction de Mr. de 
Lacaze-Duthiers, a bord du vapeur le “ Roland ” de la station zoo- 
logique de Banyuls-sur-mer. Congr. Internat. Leyden, pp. 129 & 
130. (Some references to the works on French Sponges by Topsent.) 
7. Brandt, K. Das Vordringen mariner Thiere in den Kaiser Wilhelm- 
Canal. Zool. Jahrb. Syst. ix, pp. 432 & 433. [Summary, Naturw. 
Rundseh. xi, pp. 432 & 433.] 
8. Breitfuss, L. Kalkschwamme der Bremer Expedition nach Ost- 
Spitzbergen im Jahre 1889 (Prof. W. Kukenthal und Dr. A. Walter). 
Zool. Anz. xix, pp. 426-432. [Summary, J. R. Micr. Soc. 1896, 
p. 637.] 
9. . Kalkschwamme von Ternate (Molukken) nach den Samm- 
lungen Prof. W. Kukenthals. Zool. Anz. xix, pp. 433-435. 
10. . Amphoriscus semoni , eine neue Art heterocoeler Kalk- 
schwamme. T. c. pp. 435 & 436. 
11. Buck, E. Die Susswasserschwamme im Aquarium und ihre Zucht. 
Blatt. Aquar. Fr. vii, pp. 257-259 & 267-270, 1 pi. 
* An asterisk prefixed to a quotation indicates that the Recorder has not seen 
the Journal or Work referred to. The titles without date refer to papers published 
in 1896 ; to the titles of papers omitted in last year's record, and now given, the date 
(1895) is attached. 
