L.^ T 



Vol. IX, Nos. 3 & 4 



November, 1922 



THE ANNALS OF 

 APPLIED BIOLOGY 



EDITED FOR THE ASSOCIATION OF ECONOMIC BIOLOGISTS 



BY 



W. B. BRIERLEY 



AND 



D.WARDCUJLElg^^^J 



/ 



PUBLICATIONS COMMITTEE 



V. H. BLACKMAN A. D. IMMS 



A.W.HILL R.T.LEIPER 



^ 



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CAMBRIDGE UNIVERSITY PRESS 



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