THE ANNALS OF 

 APPLIED BIOLOGY 



THE OFFICIAL ORGAN OF THE ASSOCIATION 

 OF ECONOMIC BIOLOGISTS 



EDITED BY 

 E. E. GREEN, Way's End, Camberley (late Government Entomologist, Ceylon) 



AND 



Professor B. T. P. BARKER, National Fruit and Cider Institute, Bristol 



Dr S. E. chandler, Imperial Institute, London 



F. J. CHITTENDEN, Royal Horticultural Society's Gardens, Wisley 



J. C. F. FRYER, Board of Agriculture and Fisheries, London 



Professor F. W. GAMBLE, The University, Birmingham 



Professor PERCY GROOM, Imperial College of Science and Technology, London 



Dr a. D. IMMS, The University, Manchester 



Professor R, NEWSTEAD, The University, Liverpool 



Professor J. H. PRIESTLEY, The University, Leeds 



Volume III 1916-17 



CAMBRIDGE UNIVERSITY PRESS 



C. F. CLAY, Manager 

 LONDON: FETTER LANE E.C. 4 



EDINBURGH: lOO, PRINCES STREET 



also 



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



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



PARIS : LIBRAIRIE HACHETTE & CIE. 



CHICAGO: THE UNIVERSITY OF CHICAGO PRESS 



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



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



TOKYO: THE MARUZEN-KABUSHIKI-KAISHA 



