TITLES. 
Gen . Sub. 45 
i 
773. [Zacharias, 0.]. Franz v Leydigs Anted an der Erforschung des 
einheimischen Susswasserfauna. T. c. pp. 102-114. 
774. . Hydrobiologische und fischereiwirtschaftliche Beobachtungen 
an einigen Seen der Schweiz und Italiens. T. c. pp. 169-302. 
775. . Die Station fiir Fischzucht und Hydro biologie an der Univer- 
sitat Toulouse. T. c. pp. 331-339. 
776. . Beobachtungen liber das Leuchtvermogen von Ceratium tripos 
(Mull.). Biol. Centrbl. xxv, pp. 20-30. 
777. . Die moderne Hydrobiologie und ihr Verhaltnis zu Fischzucht 
und Fischerei. T. c. pp. 322-329, 352-365. [Of. (772).] 
778. Zarnik, B. Uber funktionelle direkte Kernteilungen. SB. Ges. 
Wurzburg 1805, pp. 101-105. 
779. Zeleny, C. Compensatory regulation. J. exp. Zool. ii, pp. 1-102. 
780. . The relation of the degree of injury to the rate of regeneration. 
T. c. pp. 347-369. 
781. . The regeneration of a double chela in the fiddler Crab 
( Gelasimus pugilator) in place of a normal single one. BioL Bull, ix, 
pp. 152-155, text-fig. 
Abstract by V., Rev. Scient. (5) iv, p. 598. 
782. *Ziegler, H. E. Die Vererbungslehre in dor Biologie. Jena 1905, 
viii-f 76 pp. 
Reviews: by F. v. Wagner, Zool. Zentrlbl. 1905, pp. 835, 836 ; by Plate, 
Arch. Rassen ii, pp. 851-854. 
783. Zierler, F. E. Beitrage liber die Diff'erenzierung des Gebisses aus 
der Phylogcneso der fossilen Suiden. Biol. Zentrbl. xxv, pp. 508-519. 
784. Zykoff, W. Bermerkungen fiber das Plankton des Wolgadeltas. 
Zool. Anz. xxix, pp. 278-283 & 445. 
785. . Uber das Plankton des Saisan-Sees. T. c. pp. 477-482, and 
Berichtigung, p. 591. 
786. . tjber das Winterplankton der Wolga bei Romanow-Boriso- 
, glebsk. T. c. pp. 344-346. 
II.— SUBJECT-INDEX. 
1. General Works, including General Text-Books, 
Essays, Evolution, etc. 
Special text-books are recorded under the subjects to which they refer. 
a. General works on Zoology. General text-books : — 
General systematic works, Schulze (645), Bronn (89a). 
Text-book of zoology, vol. ii, Amphioxus , Vertebrata , Sedgwick (653). 
Text-book, Claus 7th edition completed, Grobben (272). 
Text- book of zoology for schools, Landois (391). 
Text-book for schools, French, Belzung (43). 
Russian text-book of zoology, Cholodkovsky (126). 
“ Cambridge Natural History,” vii, Harmer & Shipley (291). 
