Journal of Heredity 



Vol. XIV. No. 5 August, 1923 



CONTENTS 



CHROMOSOMES AND HEREDITY 



Charles W. Metz and Mildred S. Moses 195 



UNUSUAL RESULTS WITH BEAN HYBRIDS 



Karl Sax and H. C. McPhee 205 



FURTHUR DATA ON WEBBED TOES W. E. Castle 20<) 



WORLD'S DAIRY CONGRESS TO MEET 210 



THE HUMAN CONSTITUTION (A Review) 211 



THE CARE OF THE CHILD (A Review) 212 



SELECTION IN BROOM CORN J. B. Park 21.3 



THE PROTECTION OF THE GERM PLASM (A Review) 219 



A MUTANT OF THE OLD ENGLISH RAT F. A. E. Crew 221 



A BRITISH JOURNAL OF EXPERIMENTAL BIOLOGY 222 



IN THE MELTING POT (A Review) 223 



BOOKS RECEIVED 225 



CRESTED DOMESTIC DUCKS R. W. Shukeldt 227 



THE GENETICS OF JACOB.... R. E. Stone 228 



THE INHERITANCE OF DEGREES OF SPOTTING IN HOL- 



STEIN CATTLE L. C. Dunn, H. F. Webb and M. Schneider 229 



The JOURNAL OF HEREDITY is published monthly by the 



AMERICAN GENETIC ASSOCIATION 



At 1918-32 Harford Avenue, Baltimore, Md., and Washington, D. C. 



Address communications regarding editorial matters and the business management of the 

 Association to Box 354, Penna. Ave. Sta., Washington, D. C. 



Entered as second class matter February 24, 1923, at the post office at Balti- 

 more, Maryland. Acceptance for mailing at the special rate of postage 

 provided for in Section 1103, Act of October 3, 1917, authorized December 20, 

 1918. Contents copyrighted 1923 by the American Genetic Association. Re- 

 production of articles or parts of articles permitted only upon request, for a 

 proper purpose, and provided due credit is given to author and to the 

 JOURNAL OF HEREDITY, V/ashington, D. C. 



Date of Issue of this Number, August 30, 1923 



