Vol. 7. No. 4 



August, 1918 



JOURNAL OF GENETICS 



EDITED BY 



W. BATESON, MA., 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. + 

 also 



H. K. LEWIS & CO., LTD., 1 36, GOWER STREET, LONDON, W.C. I 



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



CHICAGO : THE UNIVERSITY OF CHICAGO PRESS 



BOMBAY, CALCUTTA, MADRAS : MACMILLAN Sc CO., LTD. 



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



TOKYO : THE MARUZEN-KABUSHIKI-KAISHA 



Price Ten Shillings net 



Issued 29 August, 1918] 



