The Association of Economic Biologists 



President 



Sir DAVID PRAIN, C.M.G., C.I.E., LL.D, F.KS. 



Vice-Presidents 



Prof. V. H. BLACKMAN, Sc.D, F.R.S. 

 G. A. K. MARSHALL, C.M.G., D.Sc. 



Hon. Treasurer Hon. Editors 



A. D. IMMS, D.Sc, W. B. BRIERLEY, Esq. 



Rothamsted Experimental Station, D. WARD CUTLER, M.A., 



Harpenden Rothamsted Experimental Station, 



Harpenden 



Hon. Secretary (General and Botanical) Hon. Secretary (Zoology) 



W. B. BRIERLEY, Esq., S. A. NEAVE, D.Sc, 



Rothamsted Experimental Station, Imperial Bureau of Entomology, 



Harpenden 41, Queen's Gate, S.W. 7 



Council 



W. LAWRENCE BALLS, ScD. A. D. COTTON, Esq. 



Prof. V. H. BLACKMAN, Sc.D., F.R.S. Prof. J. B. FARMER, D.Sc, F.R.S. 



F. T. BROOKS, M.A. J. C. F. FRYER, M.A. 



A. B. BRUCE, M.A. G. A. K.MARSHALL, C.M.G., D.Sc 



E. J. BUTLER, D.Sc, CLE., M.B. E. J. RUSSELL, D.Sc, F.R.S. 



F. J. CHITTENDEN, Esq. J. WATERSTON, M.A., B.Sc 



CONTENTS OF Vol. VIII, Nos. 3 and 4 



FAGB 



1. A Preliminary Survey of the Soil Fauna of Agricultural Land. By 



Philip Buckle, M.Sc (Manch.) 135 



2. On Forms of the Hop {Humulus Lupulus L.) Resistant to Mildew 



(Sphaerotheca Humuli (DC.) Burr.): Y. By E. S. Salmon . . 146 



3. On the Fleeces of certain Primitive Species of Sheep. By F. A. E. 



Crew. (With Plates I and II) 164 



4. Observations on the Insects of Grasses and their Relation to Culti- 



vated Crops. By Herbert W. Miles, N.D.A., Dip. Agr. (Harper 

 Adams) 170 



5. Studies on the Apple Canker Fungus. I. Leaf Scar Infection. By 



S. P. Wiltshire, B.A., B.Sc. (With 2 Text-figures and Plate III) 182 



6. On the Life History of " Wireworms " of the Genus Agriotes, Esch., 



with some Notes on that of -4iAozts A-aeworr^oicZa^w, F. Part II. By 



A. W. Rymer Roberts, M.A. (With 4 Text- figures and Plate IV) 193 



7. Note on the Chemotropism of the House Fly. By W. R. G. 



Atkins, Sc.D 216 



8. Review 218 



