XVII. SPONGIiE. 
6 Spong. 
[Cotte, J.l (8) & (9) Zool. Rec. 1902 Spong. Abstracts by Lenden- 
feld, Zool. Zentrlbl. x, pp. 177 & 178, and by Maas (32a), pp. 3 & 4. 
. (10) Zool. Rec. 1902 Spong. Abstracts by Lendenfeld, Zool. 
Zentrlbl. x, pp. 146 & 147, and by Maas (32a), pp. 2 & 3. 
15. *Diederichs, K. Die Schwamme. Natur und Haus xi, pp. 258-260, 
8 figg. 
16. Foerste, A. F. The Cincinnati Group in Western Tennessee, 
between the Tennessee River and the Central Basin. J. Geol. xi, 
pp. 29-45. [in, B, iv, h.] 
17. . Silurian and Devonian Limestones of Western Tennessee. 
T. c. pp. 554-583, 679-715. [hi, b, iv, g.] 
18. Girty, G. H. The Carboniferous Formations and Faunas of Colorado. 
U. S. Geol. Survey, Professional Paper No. 16, Series C, Systematic 
Geology and Palaeontology, 546 pp., 10 pis. [hi, b, iv, e.] 
19. Gorich, W. Zur Kenntnis der Spermatogenese bei den Poriferen 
und Colenteraten. Zool. Anz. xxvii, pp. 64-70, 3 text-figg. 
[». E. >•] 
20. . Weiteres iiber die Spermatogenese bei Poriferen und Colen- 
teraten. T. c. pp. 172-174. [n, E, i.] 
21. Greppin, E. Uber Originalien der geologischen Sammlungen des 
Basler Naturhistorischen Museums. Verh. Ges. Basel xv, 1, 1903, 
pp. 25-134. 
22. Ijima, I. Studies on the Hexactinellida. Contribution in. ( Placo - 
soma, a new Euplectellid ; Leucopsacidce and Gaulophacidce). J. Coll. 
Tokyo xviii, Article 1, 124 pp., 8 pis. with explanations. 
Abstract by Lendenfeld, Zool. Zentrlbl. x, pp. 530 & 531. 
[n, a, iii : b, ii, b ; iii ; iv, e ; v, a, b : E, ii, b. ill, a, a, iv. iv, c, i.] 
. (23) Zool. Rec. 1902 Spong. Abstracts by Lendenfeld, Zool. 
Zentrlbl. x, pp. 455 & 456, and by Maas (32a), p. 5. 
23. Jukes-Browne, A. J. On the Zones of the Upper Chalk in Suffolk. 
P. Geol. Ass. xviii, pp. 85-94, pi. xvi. [in, b, iii, b.] 
24. & Hill, W. The Cretaceous Rocks of Britain. Yol. n. The 
Lower and Middle Chalk of England. Mem. geol. Surv. U. K. 1903, 
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25. Kirkpatrick, R. Descriptions of South African Sponges. Part n. 
Cape of Good Hope, Department of Agriculture [Bulletin ?], No. 14, 
1902, Mar. invest. S. Africa ii, pp. 171-180, pi. iv. (27th May, 1903.) 
Abstract by Lendenfeld, Zool. Zentrlbl. x, p. 723. 
[iii, a, a, iii. iv, d, i, b, 1, 2.] 
26. . Descriptions of South African Sponges. Part in. T. c. 
pp. 233-264, pis. v & vi. 
[ill, a, o, iii. iv, D, ii, a, 1, 2 j b ; iii, a.] 
. (28) Zool. Rec. 1902 Spong. Abstracts by Lendenfeld, Zool. 
Zentrlbl. x, p. 147, and by Maas (32a), p. 5. 
Lauterborn. (32) Zool. Rec. 1902. Abstract by Maas (32a), p. 6. 
27. Lendenfeld, R. v. Tetraxonia. Das Tierreich 19, xv + 168 pp., 
44 figg. 
Abstract by Lendenfeld, Zool. Zentrlbl. x, pp. 531 & 532. 
[ii, b, iii ; iv, c, d. iv, D, i, a; b, 1, 2.] 
