52 Gen. Sub. 
I. GENERAL SUBJECTS. 
854. Wallengren, H. Inanitionserscheinungen der Zelle. Unter- 
suchungen an Protozoen. Zeitschr. allg. Physiol, i, pp. 67-128, pis. 
i, ii. 
855. Ward, H. B. The fresh-water biological stations of the world. Stud. 
Lab. Nebraska xl, pp. 39-66. 
Summary, Zool. Centrbl. 1902, pp. 314-316, by Zschokke. 
856. Wassilieff, A. Ueber kiinstliche Parthenogenesis des Seeigeleies. 
Biol. Centrbl. xxii, pp. 758-772, 19 figg. 
857. Wasmann, E. Noch ein Wort zu Bethe’s Beflextheorie. Biol. 
Centrbl. xxii, pp. 573-576. 
Relates to Bethe (75). 
858. -. Zur naheren Ivenntnis der termitophilen Dipteren-g attung 
Termitoxenia Wasm. Verh. Congr. Zool. v, pp. 852-873, 1 pi. 
859. -. Neues iiber die zusammengesetzten Nester und gemischten 
Kolonien der Ameisen. .[Continuation.] Allg. Zeitschr. Ent. vii, pp. 2 
etc. [Hymenoptera.~\ 
This has been published also separately extending to 78 pp., 1 pi. 
860. Waterhouse, C. 0. Index Zoologicus. An alphabetical list of 
names of genera and subgenera proposed for use in Zoology as recorded 
in the “Zoological Record” 1880-1900: together with other names 
not included in the “ Nomenclator Zoologicus ” of S. H. Scudder. 
Compiled (for the Zoological Society of London) by Charles Owen 
Waterhouse and edited by David Sharp. London, 1902, 8vo, xii -h 
421 pp. 
About 40,000 names. 
861. * Weber, A. Une methode de reconstruction graphique d’epaisseurs 
et quelques-unes de ses applications k l’embryologie. Bibl. Anat. 
Nicolas, xi, pp. 43-55 [ex Zool. Anz. Bibl. 1903, p. 62]. 
862. Weber, M. Siboga-Expeditie. Introduction et description de l’ex- 
pedition. Siboga-Expeditie Livr. iii. Leiden, 1902, 4to, 159 pp., 3 pis. 
This Livr. includes a list of the stations by M. G. F. Tydeman the 
Commander of the vessel. He also gives in Livraison iv a description 
of the ship and appliances used. 
863. *-. Der indo-australische Archipel und die Geschichte seiner 
Tier welt. Jena, 1902, 46 pp. 
Summary by Meisenheimer, Zool. Zentrlbl. 1903, pp. 254-257. 
864. Wedekind, W. Die Parthenogenese und das Sexualgesetz. Verh. 
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Brief notice by Fick, Zool. Zentrlbl. 1903, p. 373. 
865. *Weiske, A. Bedeutung der Kinematik im Aufbau des Thier- 
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xxv, Bibl. p. 192]. 
866. Weismann, A. Vortriige liber Descendenztheorie gelialten an der 
Universitat zu Freiburg im Breisgau. 2 Vols. Jena, 1902, Vol. i, xii + 
456 pp. Vol. ii. vi + 462 pp. 
Review by Escherich, Allg. Zeitschr. Ent. vii, pp. 282-284. 
867. Weitlaner, F. Tagebuchnotizen eines Schiffsarztes iiber das 
Meeresleuchten. Verh. Ges. Wien lii, pp. 270-277. 
868. Weldon, W. F. R. Variation and selection. Enc. Brit, xxxiii, 
pp. 633-637. 
