The Association of Economic Biologists 



President 



Professor J. B. FARMER, D.Sc, F.R.S. 



Vice-Presidents 



Professor CARPENTER, M.R.I.A. 

 Professor STANLEY GARDINER, F.R.S. 

 Professor HTCKSON, F.R.S. 

 R. STEWART MacDOUGALL, D.Sc. 

 A. E. SHIPLEY, D.Sc, F.R.S. 



Hon. Treasurer Hon. Sec. for Publications 



J. C. F. FRYER, Esq., E. E. GREEN, Esq., 



The Pathological Laboratory, Way's End, 



Royal Gardens, Camberl'ey. 



Kew. 



Hon. Secretary 



S. A. NEAVE, D.Sc, 



89, Queen's Gate, S.W. 7 



Council 



Lt.-Col. ALCOCK, LM.S., F.R.S. A. D. IMMS, D.Sc 



Prof. B. T. P. BARKER R. T. LEIPER DSc 



S. E. CHANDLER, D.Sc. G. A. K. MARSHALL DSc 



F. J. CHITTENDEN A. G. L. ROGERS 



A. D. COTTON Prof. W. SOMERVILLE 



CONTENTS OF Vol. VI, No. 1 



On the occurrence of the Immature Stages of Anopheles in London 

 By F. E. Jarvis 



The distribution of Pai-asite-infected Fish. By H. C Williamson 

 M. A., D.Sc. (With 4 Text-figures) 



Observations on the habits of certain Flies, especially of those breeding 

 in manui^. By J. E. M. Mellor, B.A. (With 6 Text-figures and 

 4 Charts) ° 



FAGB 



L Physiological Pre-determination : the Influence of the Physiological 

 Condition of the Seed upon the Course of Subsequent Growth and 

 upon the Yield: V. Review of Literature. Chapter IV Bv 

 F. KiDD, M.A. (Cantab.), D.Sc. (Lend.), and C. West ARCSc 

 D.Sc. (Lond.), F.L.S. (With Plate I and 3 Text-figures) '. ' "' i 



2. Studies in Bacteriosis. III. A Bacterial Leaf-spot disease of Protea 

 Cynaroides, exhibiting a host reaction of possibly Bacteriolytic 

 Nature. By S. G. Paine and H. Stansfield. (With Plate Hand 

 4 Text-figures) _ 07 



40 



48 



53 



