TITLES. 
Spon g. 11 
67. Wanner, J. Die Fauna der obersten weissen Kreide der libyschen 
Wiiste. Pakeontogr. xxx, ii Abth. 3 (1902), pp. 91-151, pis. xiii-xix. 
[hi, b, iii, b. iv, c, ii.] 
Weltner, W. (62) Zool. Rec. 1901. Abstract by Maas (39). 
68. Whiteaves, J. F. The fossils of the Galena-Trenton and Black River 
formations of Lake Winnipeg and its vicinity. Geol. Survey of 
Canada, Palaeozoic Fossils, hi, iii (1897), pp. 129-242, pis. xxi & xxii. 
[m, b, iv, h. iv, c, i : d, i, b, 2 : G.] 
69. Whitelegge, T. Notes on Lendenfeld’s Types described in the 
Catalogue of Sponges in the Australian Museum. Rec. Austral. Mus. 
iv, 7 (25th Aug. 1902), pp. 274-288. [iv, d, ii, b.] 
-. (64) Zool. Rec. 1901. Abstract by Maas (39); in J. R. Micr. 
Soc. 1902, p. 190; by Lendenfeld in Zool. Zentrlbl. ix, p. 247. 
70. Willey, A. Contribution to the Natural History of the Pearly 
Nautilus. I. Personal Narrative. Willey’s Zoological Results, Part 
vi, pp. 691-734, 18 figg., Cambridge University Press, Aug. 1902. 
[ii, d, iii. hi, a, a, iv.] 
71. Wilson, H. Y. The Sponges collected in Porto Rico in 1899 by the 
U. S. Fish Commission Steamer Fish Hawk. Bull. U. S. Fish 
Comm, for 1900, 2 (1902), pp. 375-411, 30 text-figg. 
[ii, f, i. ill, A, a, ii. iv, b, ii: c, ii: D, i, a; b, 1 ; ii, a, 1; b; iii, a.] 
72. -. On the Asexual Origin of the Ciliated Sponge Larva. Airier. 
Natural, xxxvi, No. 426, pp. 451-459. 
Abstract in J. R. Micr. Soc. 1902, p. 562; by Maas in Zool. Zentrlbl. ix, 
pp. 620 & 621. [ii, e, iii.] 
73. Wiman, C. Uber die Borkliolmer Schicht im Mittelbaltischen Silur- 
gebiet. Bull. Geol. Inst. Upsala v, 2, No. 10, pp. 149-222, pis. v-viii. 
[iii, b, iv, g.] 
74. Wollemann, A. Das Senon von Biewende. Jahresber. Ver. Braun¬ 
schweig 12, pp. 56-59. [iii, b, iii, b.] 
75. Zahalka, C. Pasmo iv, kridoveho litvaru v PojizeiT. (Die iv Zone 
der Kreideformation im Isergebiete.) SB. Bolimisch. Ges. 1902, 
Memoir xvi, 22 pp., 2 pis. [hi, b, iii, b.] 
76. *Zehfuss, —. Preparieren von Spongillenskeletten. Natur und 
Haus, Berlin, ix, 1901, pp. 204-206. [n, F, i.] 
II. BIOLOGY. 
A. Evolution. 
(i) General Principles. 
Sycon [Grantin'] compressum Fabr., bionomical signiticance of specific 
characters [vide n, d, iv], pp. 376-380: variation in >S 'liberties domuncula 
and Halichondria panicea as the direct result of external conditions: the 
word “metampy” suggested for such definite divergence from the type, 
when known to be due to post-natal influence, pp. 380-382; Bidder (4). 
