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CONTENTS. 



A new Tachinid Parasite of Pieris rapae in U.S.A. 



The Pink Bollworm and its Control in the Anglo-Egyptian Sudan 



Measures against Diparopsis castmiea in the Sudan . . 



An Ascalaphus predaceous on Prodenia Utnra in Egypt 



Wood-boring Beetles in Egypt . . 



Insect Pests in Uganda in 1916-17 



Insect Pests of Cacao and Coffee in S. Thona6 



Grapliic Methods of Presenting Entomological Facts . . 



Stomacoccus platani, gen. et sp. n., on Sycamore in California 



Dusting as a Substitute for Spraying in North America 



Experiments in dusting Fruit Trees in Canada 



Insects attacking Fruit Trees in Canada 



Insect Pests in Spain in 1917 



A Note on Precipitated Sulphur as an Insecticide in Spain . . 



The Resistance of Plants to Insect Attack in Spain . . 



Sericulture in Madagascar 



The Races of Phylloxera infesting Vines in Italy 



Poultry in Orchards and their Effect on Injurious Insects in Britain 57 



The Gold tail Moth attacking the Fruit of Apple in England . . 58 



Pests of Sugar-cane in Barbados . . . . . . . . 68 



Notes on British Coccidae . . . . . . . . . . 59 



Masterpieces of American Economic Entomology . . . . 59 



Notes on Erioeampoides limacina in Quebec . . . . . . . . 60 



Carriers and Diluents for Dusting in Canada . . . . . . . . 60 



Cabbage Pests in Quebec . . . , . . . . . . . . . . 60 



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Insect Pests of Basket Willows in Britain 



Machines for the Treatment of Cotton Seed against Pink Bollworm 

 in Egypt 



The Utilisation of Bats to destroy Lepidopterous Pests of Cotton i 

 the West Indies 



The Danger of Introdiiction of the Pink Bollworm, Pectinophora 

 gossypiella, into the West Indies . . 



Traps for Cosmopolite.fi sordidus in Jamaica 



The Bionomics of the Chinese Gall Aphis 



Philtraea elegantaria infesting Privet in Louisiana 



A New Aphid-destroying Syi^phid in California 



Megacoelum stramineum, a Pest of Sorghum in Madras 



Adisura atkinsoni, a Pest of Dolichos lablab in Madras 



Contheyla rotunda, a Pest of Coconuts in Madras 



Notes on the Oviposition of the Agathi Weevil, Alcides bubo, in Madras 47 



The Correct Names of Apple-infesting Aphids in U.S.A. . . . . 47 



The Life-history of the Clothes Moth, Tineoln biselliella, in New York 48 



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