NOTICES. 



Secretaries of Societies and Editors of Journals willing to exchange 

 their publications with those of the Bureau, are requested to cons* 

 municate with the Assistant Director. 



The Subscription to the Review is 12s. per annum, post free; q? 

 the two series may be taken separately. Series A (Agricultural) 

 being 8s., and Series B (Medical and Veterinary), 5s. per annum. 



All orders and subscriptions should be sent direct to the Assistant 

 Director, Imperial Bureau of Entomology, 89, Queen's Gate, London, 

 S.W.7, or through any bookseller. 



CONTENTS. 



PAGE 



The Life-history and Control of the Bark-beetle, Xyloiei-us lineatus, 



in Bavaria . . 

 Control of the Melon Aphis in U.S.A. , . 

 Measures against Weevils in Maize in U.S.A. . . 

 The Southern Corn Rootworm in U.S.A. 



The Control of the Clover-Flower Midge in U.S.A. . . . . . . 4. 



Commercial Bordeaux Mixtures ; how to calculate their Values . . 4 



Entomological Syllabus of the School of Agriculture in Mauritius. . 4 



The Importation of Tiphia parallela from Barbados to Mauritius. . 4 



Some Insect Pests of Small Fruits in U.S.A. . . . . . . 5 



Dusting as a Substitute for Spraying in Orchards in U.S.A. . . 6 



A New Aphid, Toxoptera nigra, on Sedge in U.S.A. . . . . . . 6 



Observations on some Cocoids from Portugal . . . . . . 6 



The Dissemination of Tomato Diseases by Insects in U.S.A. . . 7 



The Establishment of Beneficial Insects in Mauritius . . . . 7 



Insect Pests in Yakima County, Wasliington, in 1916-17 . . . . 8 



Insect Pests intercepted in Nebraska . . . . . . . . . . 9 



A Poison-Bait for Grasshoppers in Nebraska. . .. .. .. 9 



An Outbreak of the Sugar-beet. Web worm in Nebraska . . '. . 9 



Leptinotarsa decevilinsata and its Control in Nebraska . . . . 10 



Vegetable Pests in Nebraska . . . . . . . . . . . . 10 



The Fruit-tree Leaf-roller, Toiirix a/rgyrospilain Ontario . . . . 10 



Notes on the Classification of North American CocciDAE .. .. 11 



Insects injurious to Beet in Southern Manchuria .. .. .. II 



The Development of Crossocosmia sericariae in Silkworms in Japan 12 



Insect Pests in British Columbia in 1918 .. .. .. .. 12 



Coconut Pests in the Far East . . . . . . . . . . 14 



Agroriiyia destructor and its Control on Beans in the Philippines . . 15 



Cydia splendana, a Pest of Chestnuts in Italy . . . . . . 16 



The Use of Bats in the Control of Insects injurious to Pine Woods 



in France .. .. .. .. .. .. .. .. 17 



The Sweet Potato Weevil, Cylas forniicarius, in Ceylon . . . . 17 



The Construction of Fumigating Boxes for use with Hydrocyanic- 

 acid Gas . . . . . . . . . . . . . . . . 17 



Miscellaneous Pests in Florida . . . . . . . . . . 18 



