Vol. 7, No. 1 



October, 1917 



JOURNAL OF GENETICS 



EDITED BY 



W. BATESON, M.A., F.R.S. 



DIRECTOR OF THE JOHN INNES HORTICULTURAL INSTITUTION 

 AND 



R. C. PUNNETT, M.A., F.R.S. 



ARTHUR BALFOUR PROFESSOR OF GENETICS IN THE UNIVERSITY OF CAMBRIDGE 



CAMBRIDGE UNIVERSITY PRESS 

 C. F. CLAY, Manager 

 LONDON : FETTER LANE, E.C. 4. 

 EDINBURGH: 100, PRINCES STREET 



also 



H. K. LEWIS & CO., LTD., I 36, COWER STREET, LONDON, W.C. I 

 WILLIAM WESLEY AND SON, 28, ESSEX STREET, LONDON, W.C. 2 



CHICAGO : THE UNIVERSITY OF CHICAGO PRESS 



BOMBAY, CALCUTTA AND MADRAS ! MACMILLAN & CO., LTD. 



TORONTO : J. M. DENT & SONS, LTD. 



TOKYO : THE MARUZEN-KABUSHIKI-KAI3HA 



Price Ten Shillings net 



Issued October 12, 1917] 



