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 HICKSON, 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, Camberley. 



Kew. 



Hon. Secretary 



S. A. NEAVE, D.Sc, 



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



Council 



Lt.-Col. ALCOCK, I.M.S., F.R.S. R. T. LEIPER, D.Sc 



Prof. B. T. P. BARKER Prof. W. MAXWELL LEFROY 



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



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



A. D. COTTON Prof. A. SUMMERVILLE 



A. D. IMMS, D.Sc 



CONTENTS OF Vol. V, No. 2 



FAOB 



1. A Short Summary of our Knowledge of the Frit-fly. By J. E. 



Collin, F.E.S 81 



2. On the Transport of Herring Spawn to the Southern Hemisphere. By 



H. Chas. Williamson, M.A., D.Sc 97 



3. The Larval and Pupal Stages of Scatopse Notata, L. By H. M. Morris, 



M.Sc. (Mane). (With Plate X and 7 Text-figures) ... 102 



4. Physiological Pre-determination : the Influence of the Physiological 



Condition of the Seed upon the Course of Subsequent Growth and 

 upon the Yield: II. Review of Literature. Chapter L By 

 F. KiDD, M.A. (Cantab.), D.Sc. (Lond.), and C. West, A.R.C.Sc, 

 D.Sc. (Lond.) 112 



5. A List of Coccidae Affecting Various Genera of Plants. By E. E. Green, 



F.E.S., F.Z.S 143 



