CONTENTS 



No. 1 (May, 1915) 



•_>. 



o. 



8. 



A Bacteria] Disease of the Mango. Bacillus mangiferae D.sp. 

 By Ethel M. Doidge, M.A., F.L.S. (With Plates I XIV 

 and ;') Text-figures) 



Two Scoliid Parasites on Scarabaeid Larvae in Barbados. By 

 \Y. Nowell, A.R.C.S. (With Plate XV and 1 Text-figure) . 



I'ink Disease of Plantation Rubber. By F. T. Brooks, M.A. 

 and A. Sharples, A.R.C.S. (With Plates XVI and XVI] 

 and 11 Text-figures) . 



An Attempt to Measure the Local and Seasonal Abundance of 

 the Swede Midge in Parts of Yorkshire over the Years 1912 

 to 1914. By F. W. Dry, M.Sc. (With Plate XVIII, 2 Text- 

 figures, and 5 Charts) ....... 



The Occurrence of Fungi on Aleurodes vaporariorum in Britain. 

 Bv A. S. Horne .... 



Nos. 2 and 3 (July, 1915) 



1. The South African Mulberry Blight Bacterium mori (Boy. and 



Lamb.) Smith. By Ethel M. Doidge, M.A., F.L.S. (With 

 Plates XIX-XXIV) 



2. " Black Neck " or Wilt Disease of Asters. By Wilfrid Robinson, 



M.Sc. (With Plates XXV, XXVI) . . / . . 



3. A Contribution to our Knowledge of Silver-leaf Disease. By 



Ph. Dr Jar. Smolak (Roudnici, Bohemia). (With 20 Text- 

 figures) 



i. Notes on some Hymenopterous Parasites bred from the Pupae 

 of Chortophila brassicae Bouche, and. Acidia heraclei L. By 

 J. T. Wadsworth 



5. Note on American Gooseberry Mildew. By M. A. Bailey, B.A. 



6. The Effect of various Chemicals on Blow-fly. By W. F. Cooper, 



B.A. (Cantab.), F.C.S. and W. A. B. Walling . 



7. On Diseases of Plum Trees caused by some Species of Cytospora. 

 By W. N. C. Belgrave, B.A. (With 10 Text-figures) 



Studies in Enchytraeid Worms. Henlea fragilis Friend. By 

 the Rev. Hilderic Friend, F.R.M.S. (With Plates XXVII- 

 XXXII) 



40 



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81 



109 



113 



125 



138 



158 

 162 



166 



183 



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