Th 



e 



Journal of Heredity 



(Formerly the American Breeders' Magazine) 



Vol. V, No. 5 



May, 1914 



CONTENTS 



Crossing Bison and Cattle, by Mossoni M. Boyd 189 



My Experience With Bison Hybrids, by Charles Goodnight 197 



Genetics Must Come First, by C. C. Hurst 199 



An Apple Chimera, by W. E. Castle 200 



The Law of Regression, by Francis Galton 202 



Sexual Inequality in Hemp, by O. F. Cook 203 



Lectures Are in Demand 206 



The Determination of Sex, by P. J. Wester 207 



Nature and Time of Segregation, by William Bateson 208 



Weakness of Eldest Sons, by John H. Chase 209 



Extinction of Family Names, Compiled by the Editor 212 



Possibility of Quick Returns, by William Bateson 215 



What Eugenics Promises, by C. W. Saleeby 215 



The Philippine Negritos, Extracts from Two Articles by Robert 



Bennett Bean 216 



A Race of White Canaries 220 



A Eugenics Bibliography 220 



The Reason for Eugenics, by Francis Galton 221 



"Reversion'" in Prickly Pears, by David Griffiths 223 



Variation by Loss of Inhibitors, by William Bateson 225 



The Importance of Genetics, by Karl Pearson 225 



Effects of Inbreeding, by H. Kraemer 226 



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 Journal. 



Date of issue of this number, April 25, 1914. 



