45 Compr. Zool. 
Titles. 
0000 
Wasmann, Erich. Die moderne 
Biologie und die Entwicklungstheorie. 
3., stark verm. Aufl. Freiburg i. B. 
(Herder), 1906, (xxx + 630), 7 Taf. 
24 cm. 8 M. 899 
Wasmann, E. Menschen- und Tier- 
seele. 3. Aufl. Koln (J. P. Bachem), 
1906, (16). 23 cm. 0,60 M. 900 
Wasmann. Das Entwicklungs- 
problem. Umschau, Frankfurt a.' M., 
11, 1907, (261-264, 285-289). 901 
Wasmann, Erich. Der Kampf um 
das Entwicklungsproblem in Berlin. 
Ausfiihrlicher Bericht . . . Freiburg i. 
B. (Herder), 1907, (xii + 162). 25 cm. 
2 M. 902 
[Wasmann, Erich.] BocMaHT>, 9pHXT> 
0. I. Htoi’h cpaBMinejibHofl nciixo- 
jiorin. H. I. IIiicthiikt'l h paojMHocTL 
B'b U,apCTB r li JICHBOTHLlXTb. H. 11. OpaB- 
niiTejibiibia HBCJi'hji.OBaHia flymen noil 
IKH3HH MypaBbeBT, H BblCWHX'b iKHBOT- 
Hbix'b. [(Die Ergebnisse der ver- 
gleichenden Psychologie. ) I. Instinkt 
und Intelligenz im Thierreich. II. 
Vergleichende Studien des Seelen- 
lebens der Ameisen und der hoheren 
Thiere.] Uebers. v. Vlad. Karavajev 
mit Hinzufiigung der zoopsycholo- 
gischen Anschauungen von V. Wagner. 
Kiev, St. Peterburg, 1906 [1907], 
(xviii + 624 + 1). 24 cm. 3 R. 50. 
903 
Watson, John B. Animal educa- 
tion : an experimental study on the 
psychical development of the white 
rat, correlated with the growth of its 
nervous system. [Thesis, Ph.D., Univ. 
Chic.], Chicago, 1903, (122) 3 pis. 24 cm. 
904 
Weaver, Charles E Contribution to 
the paleontology of the Martinez group. 
Berkeley, Univ. Cal., Bull. Dept. Geol. 
4, [1905], (101-123) 2 pis. 905 
Weindl, Theodor. Pigmententste- 
hung auf Grund vorgebildeter Tryosi- 
nasen. Arch. EntwMech., Leipzig, 23, 
1907, (632-642). 906 
Weller, Stuart. The fauna of the 
Cliff wood clays. New Jersey, Rep. 
Geol., Trenton, 1904, 1905, (133-144) 
pi. 907 
Weller, Stuart. A report on the 
Cretaceous paleontology of New Jersey, 
based upon the stratigraphic studies of 
George N. Knapp. Geological Survey 
of New Jersey, Paleontology Series,. 
Trenton, 4, 1907, (Text, i-ix + 3-871 ; 
Plates, 873-1106), pi. 903 
Welles, Miriam U. vide Folsom,. 
J. W. 
Went, F. A. F. C. Ueber Zweck- 
losigkeit in der Jebenden Natur. Biol. 
Centralbl., Leipzig, 27, 1907, (257- 
271). 909’ 
Werner, F. Ein Tag auf der Kit- 
chener-Insrl. Bl. Aquarieukunde,. 
Magdeburg, 18, 1907, (267-268, 275- 
276). ' 910- 
Werner, Franz. Das Ende der 
Mimikryhypothese ? Biol. Centralbl.,. 
Leipzig, 27, 1907, (174-185). 911 
Whitney, David Day. Determination, 
of sex in Hydatina senta. J. Exp- 
Zool., Baltimore, Md., 5, 1907, (1-26). 
912. 
Wilder, Frank A. Memoir of Albert. 
Allen Wright. Rochester, N.Y., Bull- 
Geol. Soc. Amer., 17, 1907 (687-690). 
913- 
Will. [Zur Geschichte des Zoolog. 
Institutes der Univ. Rostock.] Verh. 
D. zool. Ges., Leipzig, 17, 1907, (13— 
18). 914 
Willi ims, Leonard W. The struc- 
ture of cilia, especially in gastropods. 
Amer. Nat., Boston, Mass., 41, 1907, 
(545-551). 915 
Williams, C< A. vide Stephen, S. A. 
Williamson, E. B. A collecting trip 
north of Sault Ste. Marie, Ontaiio. 
Ohio, Nat., Columbus, 7, 1907, (129- 
148). 916- 
Williamson, E. B. Odonata, Asta- 
cidae and Unionidae collected along 
the Rockcastle river at Livingston, 
Kentucky. Ohio Nat., Columbus, 
5, 1905, (309-312). 917 
Williston, S. W. The first reviser 
of species. Science, New York, N.Y., 
N. Ser., 25, 1907, (790-791).- 918- 
Wilson, Edmund B. Sex determi- 
hation in relation to fertilization and! 
parthenogenesis. [Address given be- 
fore the American society of naturalists; 
at Columbia university, New York, 
December 28, 1906.] Science, ? New 
York, N.Y., N. Ser., 25, 1907,J376- 
379). 919 
