Biologia generalis 468 



202RfiO (ioodale, H. D. 577.8 



1914. Dependence of Secondary Sex-Characters on the Germ-gland in 

 Poultry. Year Book Carnegie Inst. Washington No. 12 p. 101—102. 

 Bl Goodale, H. D. 577.8 



1914. A Feminized Cockerel. Science N. S. Vol. 40 p. 594—695. [Cas- 

 trated, with transplanted ovaries.] 



62 Goodrich, H. B. 577.8 



1914. The Maturation Divisions in Ascaris incurva. Biol. Bull. Woods 

 Hole Vol. 27 p. 147 — 150, 1 pi. [2 classes of spermatozoa with 21 and 

 14 chromosomes respectively, yielding in fertilization of egg carrying 21 

 chromosomes, females with 42 and males with 35 chromosomes.] 



63 Morgan, T. H. 577.8 



1914. Two sexlinked lethal factors in Drosophila and their influence on 

 the sex-ratio. Joarn. exper. Zool. Vol. 17 p. 81—122, 7 figg. — A third 

 sex-linked lethal factor in Drosophila. p. 315—324, 3 figg. 



64 JShuU, George H. 577.8 



1914|15. Sex in Lychnis. Year Book Carnegie Inst. Washington No. 



12 p. 100—101. — Sex-linked Inheritance in Lychnis. No. 13 p. 119— 

 120. 



65 Doncaster, Leonard. 577.8 



1915. The Relation between Chromosomes and Sex-determination in 

 ^^Abraxas grossulariata'^ . Nature London Vol. 95 p. 395. [Existence of 

 male- and female-determining not yet finally demonstrated.] 



66 Heider, K. 577.8 



1915. Bestimmung und Vererbung des Geschlechtes. Ber. nat.-iued. 

 Ver. Innsbruck Jahrg. 35 p* XVIII — XX. [AUgemeine Uebersicht.] 



67 Kathariner, L. 577.8 



1915. Zur Frage der Geschlechtsbestimmung bei der Honigbiene. Sam- 

 melreferat. Nat. Wochenschr. Bd. 30 p. 257—266, 1 fig. 

 202868 Nachtsheim, Hans. 577.8 



1915. Entstehen auch aus befruchteten Bieneneiern Drohnen? Eine 

 Kritik der Anschauungen 0. Dickel's iiber die Geschlechtsbestimmung 

 bei den Hymenopteren, insbesondere bei der Honigbiene. Biol, Cen- 

 tralbl. Bd. 35 p. 127—143. [Kein wissenschaftlicher Beweis fiir eine 

 solche Entstehung.] 



69 Papanicolaou, George. 577.8 



1915. Sex Determination and Sex Control in Guinea-Pigs. Science N. 

 S. Vol. 41 p. 401—404. [3 factors: sex tendency of father, sex tenden- 

 cy of mother and alternation of sex tendency of mother from litter to 

 litter.] 



70 Riddle, Oscar. 577.8 



1915. Sexual Differentiation of Pigeon's Eggs. Year Book Carnegie 

 Inst. Washington No. 13 p. 117—118. [Greater energy-content in fe- 

 male-producing eggs.] 



71 Shull, A. Franklin. 577.8 



1915. Periodicity in the Production of Males in Hydatina senta. Biol. 

 Bull. Woods Hole Vol. 28 p. 187—197. [Regular rhythm in some lines, 

 but not the same in all lines simultaneously reared.] 



72 Smith, Geoffrey. 577.8 



1915. The Life-Cycle of Cladocera, with Remarks on the Physiology of 

 Growth and Reproduction in Crustacea. Proc. R. Soc. London Vol. 88 

 B p. 418 — 435, 11 figg. [Isolation seems to prevent appearance of 

 males or ephippial females. Accumulation of excretory matter in glasses 

 (crowding) favours appearance of males and ephippial females. Storage 

 of glycogen in isolated, of fat in crowded specimens (also growth inhi- 

 bition). Antagonism between growth and sex.] 

 20287b Whitney, David D. 5^7.8 



1915. The Production of Males and Females Controlled by Food Con- 

 ditions in the English Hydatina senta. Biol. Bull. Woods Hole Vol. 29 



