250 Sammelreferat. 
82. Hagedoorn, A.L., 1919. Mendelian inheritance of sex. Arch. f. Entwicklungs- 
mechanik. Bd. 28. — S. 186, 189, 193, 230. 
83. — 1921. The relative value of the process causing evolution. — S. 190, 192, 196, 
228, 230, 241. 
84. Haldane, J. B.S., 1921. Crossing over in the fowl. Science. N. S. Vol. 54. p. 663. 
— S. 232. 
85. Harris, Blakeslee, Warner, Kirkpatrick, 1917. The correlation between 
body pigmentation and egg production on the domestic fowl. Genetics. 2. — 
S. 210, 217. 
86. Harris, Blakeslee, Kirkpatrick, 1918. The correlation between egg production 
during various periods of the year in the domestic fowl. Genetics. 3. — 
S. 217. 
87. — — — 1917. Interperiodie correlation in the egg-production of the domestic 
fowl. Proc. Nation. Acad. Sci. 3. — S. 217. 
88. — — — 1921. Warner and Card. The egg records of limited periods as criteria 
for predicting the egg-production of the white Leghorn. Genetics. Vol. 6. — 
8. 217. 
89. — — — 1921. The prediction of annual egg production from the records of 
limited periods. Proc. Nat. Acad. Sci. Vol. 7. — S. 217. 
90. — and Lewis, 1921. The second-year record of birds which did and did 
not lay during individual months of the pullet year. Science. N.S. Vol. 54. 
S. 224—296. — S. 217. 
91. Hartmann und Hamilton, 1921. A case of true hermaphroditism in the fowl. 
Journ. exp. Zool. Vol. 36. Nr. 2. — S. 222. 
92. Holdefleiss, 1911. Versuche über Xenienbildung und Vererbungsgesetze bei der 
Kreuzung von Hühnern. Berichte aus dem physiol. Labor. der Versuchsanstalt 
des landw. Inst. der Univers. Halle. Bd. 20. — S. 202. 
93. Hurst, C.C., 1905. Experiments with Poultry. Rep. to the Evolution Committee 
Royal Soc. Report. II. §. 131—154. — S. 194, 203, 206, 208, 211, 219. 
94. — 1921. The genetics of egg production in white Leghorns and white Wyandottes. 
Assoc. of Poultry Investigators. — S. 203, 217, 221, 243. 
95. Jones, E.L., 1914. The Campine Club. Year Book. S. 192, 193, 226, 230. 
96. Jones, Sarah, 1921. Inheritance of Silkiness in Fowls. Journ. of Heredity. 
Vol. XII. — S. 204, 243. 
97. Keibel und Abraham, 1900. Normentafeln zur Entwicklung der Wirbeltiere. 
Heft II. Jena. — S. 211, 222. 
98. Klatt, B., 1917. Transplantation der Haube beim Haubenhuhn. Sitzungsber. der 
Naturf. Freunde, Berlin. S. 205, 211. 
98a. Köhler, O., 1922. Neuere Arbeiten über hennenfedrige Hähne. Referat. 
Zeitschr. f. ind. Abst.- u. Vererbgsl. Bd. 29. — S. 225. 
99. Kuklenski, 1915. Über das Vorkommen und die Verteilung des Pigmentes in 
den Organen und Geweben bei japanischen Seidenhühnern. Arch. f. mikr. Ana- 
tomie. Bd. 87. — S. 200. 
100. Ladebeck, E., 1922. Die Farben einiger Hühnerrassen. Zeitschr. f. ind. Abst.- 
u. Vererbgsl. Bd. 30. — S. 187, 201, 210. 
