Vol. 4, No. 4 



April, 1915 



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. 



EDINBURGH: 100, PRINCES STREET 



also 



H. K. LEWIS, 136, COWER STREET, LONDON, W.C. 



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



CHICAGO ! THE UNIVERSITY OF CHICAGO PRESS 



BOMBAY AND CALCUTTA : MACMILLAN & CO., LTD. 



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



TOKYO : THE MARUZEN-KABU.'iHIKI-KAISHA 



Price Ten Shillings net 



Issued April 26, 1915] 



