Vol. II, No. 3 



December, 192 1 



JOURNAL OF GENETICS 



EDITED BY 



W. BATESON, MA., F.R.S. 



DIRECTOR OF THE JOHN INNES HORTICULTURAL INSTITUTION 

 AND 



R. C. PUNNETT, MA., 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 

 also 



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WHELDON & WESLEY, LIMITED, 28, ESSEX STREET, LONDON, W.C. 2 



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TOKYO : THE MARUZEN-KABUSHIKI-KAISHA 



Price Fifteen Shillings net 



Issued 30 December 192 1 ] 



