Th 



e 



Journal of Heredity 



(Formerly the American Breeders' Magazine) 



Vol. V, No. 2 



February, 1914 



CONTENTS 



Sex-Determination in Sheep, compiled by the Editor, from the 



Records of Alexander Graham Bell 47 



Lecturer on Eugenics Appointed 57 



Injuries to Germ Cells, abstracted from an article by Dr. Charles 



R. Stockard 58 



Plant Breeding Section to Meet 64 



A Study of Semi-Sterility, by John Belling 65 



Origin of Cultivated Oats, by Dr. L. Trabut 74 



Plans for International Congress 84 



Mendelism in Great Britain, by R. C. Punnett 86 



The Influence of Monarchs, by Frederick Adams Woods, reviewed 



by C. B. Davenport 90 



Breeding Wild Game, by Paul Larsen 91 



On Marriage Certificates 91 



Hereditary Chorea 91 



Register of Hybrid Orchids 92 



Color Inheritance in Pigs 92 



The Journal of Heredity is published monthly by the American Genetic 

 Association (formerly called the American Breeders' Association) for the benefit 

 of its members. Canadian members who desire to receive it should send 25 cents a 

 year, in addition to their regular membership dues of $2, because of additional post- 

 age on the magazine; foreign members pay 50 cents extra for the same reason. 

 Price of single copies, 25 cents. 



Entered as second-class matter August 27, 1912, at the postoffice at Washington, 

 D. C, under the act of August 24, 1912. Contents copyrighted 1914 by the 

 American Genetic Association. Reproduction of articles or parts of articles 

 permitted provided proper credit is given to author and magazine. 



Date of issue of this number, January 30, 1914. 



