Studien über die Süsswasser-Schwämme des Russischen Reiches. 2 1 
Verzeichniss der Literatur. 
(Alphabetisch geordnet.) 
1) Blainville, Manuel d'actinolog. p. 524, 534, Tab. 92, Fig. 6. 
2) Bowerbank (J. S.), A monogr. of the British Spongiadae. Vol. I. p. 262. Tab. IX. Fig. 201 — 207, 
Tab. 22. Fig. 217—322; Vol. II. pp. 339—344. 
3) — Monogr. on the Spongillidae (Proe. zool. Soc. 1863. Nov. 24. Tab. 38. pp. 440—472). 
4) — Monogr. of the Brit. Spongiadae. Vol. 3; p. 199. Tab. LIX— LX. 
5) — Anat. and physiol. of Sgongiadae (Philos, trans. of the Roy. Soc. 1802. p. 1115). 
6) Bronn (Dr. H. G.), Die Klassen und Ordnungen des Thierreichs 1859. Bd. I. pp. 3 — 28. Tab. I. 
7) Carter (H. J.), Notes ои the Speeles, structure and animality of the Freshwater Sponges in the Is- 
land of Bombay (Ann. et Magaz. nat. bist. Ser. 2. Vol. I. 1848. p. 303). 
8) — A descript. account of the freshwater Sponges of the Island of Bombay, with observ. on 
the struct. and devolop. (Ibid. Vol. 4. 1849. p. 81. Tab. III— V). 
9) — Zoosperms in Spongilla (Ibid. Vol. 14. 1854. p. 334. Tab. XI). 
10) — On the ultimate struct. of Spongilla (Ibid. Vol. 20. 1857, p. 21, Tab. I. 
11) — On the fecundat. of the Volvoces (Ann. and Magaz. nat. bist. Ser. 3. Vol. 3. 1859. 
p. 12 — If). Tab. I. Fig. 12—14). 
12) — On the identity in struct. and composit. of the so-called «Seed-like Body» of Spongilla with 
the Winter-egg of the Bryozoa, and the présence of starch-granules in each (Ibid. Vol. 3. 
1859. p. 331. Tab. VIII). 
13) — On a variety of Spongilla Meyeni from the River Exe, Devonshire (Ann. and Magaz. nat. 
bist. Ser. 4. Vol. 1. 1868. p. 247). 
14) — On the nature of the Seed-like Body of Spongilla (Анп, and Magaz. nat. bist, Ser. 4. Vol. 
15. 1874 p. 97). 
15) — Notes introductory to the study and classific. of Spongidae (Ibid. Vol. 16. p. 1, 1875. 
p. 187, 190, 199). 
16) — On the nutritive and reproductive proc. of Sponges (Ann, and Magaz. nat. bist, Ser. 5 
Vol. 4. 1879 p. 374). 
17) — History and classific. of the knowu Speeles of Spongilla (Ann. and Magaz. of nat, bist. 
Ser. 5. vol. 7 1881. p. 77—107. pl. V— VI. 
18) Czernay, Труды Общества Естествоиспыт. прп Харьковскомъ Универсптетѣ 1871 г. стр. 1 — 4. 
Таб. IX. 
19) Delonchampt, Encyclop. méthod. Zooph. p, 324. 
20) Dujardin, Observations sur les Eponges d'eau douce (Ann. de Se. nat. 2 Sér. Zool, T. 10. 1838. 
p. 5—13, Tab. I. Fig. 1), 
