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(39) 



Mc f andlish, A. C. Environment and breeding as factors influencing milk 

 production. Journ. Heredity. 11. S. 204— 214. 1 1 Textf. 



Murphy, L., 1917. Fourth Irish egg laying competition 191.") — 1916. Supple- 

 mentary report on the noncompeting pens, with some notes on the 

 breeding of Rhode Island Reds for egg production. Journ. Dept. Agr. 

 and Tech. Instr. Ireland. 17. S. 280—289. 



Pearl, R., 1920. A contribution of genetics to the practical breeding of 

 dairy cattle. Proc. Nat. Acad. Sei. 6. S. 225—233. 1 Textf. 



Kit/man, E. («., 1920. Breeding earless sheep. Journ. Heredity. 11. S. 238 

 bis 240. 4 Textf. 



Itubertsoii, E., 1921. Notes on breeding for increase of Milk in Dairy 

 cattle. Journ. Genetics. 11. S. 79—90. 8 Textf. 



Slye, M., Holmes, H. P. and Wells, H. G., 1920. Primary spontaneous 

 tumors of the ovary in mice. Studies on the incidence and inherita- 

 bility of spontaneous tumors in mice. Fourteenth communication. Journ. 

 rn of Cancer Research. 5. S. 20.^—226. 5 Taf. 



Spöttel, VV. und Tänzer, E., 1921. Eigenschaften und Verwendbarkeit der 

 Maultiere. Flugschr. d. Dtsch. Ges. f. Züchtungskunde Nr. .53. 99 S. 



Watson, T. A. S., 1921. A mendelian Experiment with Aberdeen -Angus 

 and West Highland Cattle. Journ. Genetics. 11. S. 59—68. 1 Taf. 



Wester, J., 1921. Eierstock und Ei, Befruchtung und Unfruchtbarkeit bei 

 den Haustieren. Berlin, R. Scholtz. 1. S. 146. 41 Textf. 



Wilsdorf, (ir., 1921. Die Ziegenzucht, mit ausführlicher Beschreibung der 

 Ziegenrassen in Deutschland und der Schweiz. 3. Aufl. Berlin, P. Parey. 



1. 352 S. 75 Textf. 



Winkjer, J. G., 1918. Cooperative bull associations. U. S. Dept. Agr. 

 Farmers' Bull. 993. Washington. 35 S. 7 Textf. 



c) Mensch. 



Adkinson, J., 1920. The behavior of bronchial asthma as an inherited 



character. Genetics. 5. S. 363—418. 39 Textf. 

 Alfven, A., 1920. Det rashygieniska institutet. Fysisk fostran. 7. S. 3 — 6. 

 Bauer, J., 1921. Die konstitutionelle Disposition zu inneren Krankheiten. 



2. Auflage. Berlin, J. Springer. 186 S. 63 Textf. 



Kaur, E., 1920. Den modema ärftlighetsforskningen betydelse för rashygien 



och befolkningspolitik. Svenska läkartidningen. S. 345 — 352. 

 Hayou, II., 1920. Racial and sexual differences in the vermiform appendix. 



Anat. Record. 18. S. 241—249. 

 Bell .V. (»., 1920. Is race suicide possible' Journ. Heredity. 11. S. 339 — 341. 

 Downey, J. E., 1918. Standardized tests and mental inheritance. Journ. 



Heredity. 9. S. 311—314. 

 Edin, A., 1921. The Swedish church registers and the demographical science. 



The Swedish Nation in word and picture. S. 95 — 101. 

 Elderton, E. M., 1920. On the Inheritance of the Finger Print. Biometrika. 



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 Eriksen, A., 1920. En dypere forstaaelse av den nordiske race. Den nor- 



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