CONTENTS— co«<. 



PAGE 



Palaearctic Region : New and rare Bark-beetles 



Russia : A Bibliography of Pests of the Don Region 



San Thom]6 : The Insect Pests of Cacao and other Crops 298, 299, 300, 



Winter Measures against Orchard Pests . . 



The Phylloxera Problem . . 



Measures against Vine Moths 

 Reasons for the Migration of the Larvae of the Asiatic 



Switzerland 

 Switzerland 

 Switzerland 

 Turkestan : 



Locust 

 U.S.A 



Eradication of the Sweet-potato Weevil in Florida 

 U.S.A. : A Fungus infesting the Periodical Cicada 

 U.S.A. : Walnut Pests in California 

 U.S.A. : Phylloxera-TQsist^x\.t Vine Stocks . . 

 U.S.A. : Waters for Spraying Purposes in California 

 U.S.A. : Pests of Stored Grain in Nebraska 



U.S.A. : The Organisation of Training in Economic Entomology 302, 



U.S.A.: The Progress of Measures against the Japanese Beetle 303, 



U.S.A.: Cheaper Arsenicals and their Use. . .. 



U.S.A.: Experiments with Contact Dusts. . .. .. .. 304, 



U.S.A. : A Traction Duster for Grape Leaf-hopper Control 



U.S.A. : The False Apple Red-bug {Lygidea mendax) in Pennsylvania. . 



U.S.A.: Insect Pests in the Cotton States . . 



U.S.A. : A Poison Bait for Eleodes 



U.S.A.: Ants infesting Houses in Mississippi 



U.S.A. : Pests intercepted in Quarantine . . 



U.S.A. : Greenhouse and other Insect Pests in Indiana in 1920-21 



U.S.A. : Insect Pests in Mississippi in 1920-21 



U.S.A. : The Grasshoppers of Tennessee . . 



U.S.A.: Insect Pests in Minnesota in 1920-21 



U.S.A. : Miscellaneous Pests and their Parasites in California . . 

 U.S.A. : The Importance of extended Quarantine Measures 



U.S.A. : Vine Pests in California * . . . . . . ... 



U.S.A. : The Relation of Insects to Pear and Apple Blight in Montana 

 U.S.A.; A Spraying Programme for Orchards in Ohio .. 



U.S.A.: Gas Treatment for Aegeria exitiosa .. .. .. 316, 



U.S.A.: Heat for the Control of Cereal Insects 

 U.S.A. : Insect Pests of Roses 



U.S.A. : The Life-history of the Beet Leaf-hopper in California 



U.S.A. : Control of Sucking Insects by Dusting 



U.S.A. : Experiments against Pear Psj'lla in New York. . . . 325, 



U.S.A.: Control of Codling Moth in Western New York . . 



U.S.A. : Spray Schedules in New York 



U.S.A.: The Danger to Mississippi of the Mexican Bean Beetle 



U.S.A. : Regulations of the State Plant Board of Mississippi 



U.S.A. : The Japanese Camphor Scale in Mississippi 



U.S.A.: Plants intercepted in Quarantine in Mississippi 



U.S.A. : The Sugar-cane Moth Borer in Mississippi 



U.S.A.: Miscellaneous Pests in the Winter of 1921-22 .. .. .. 



U.S.A. : Miscellaneous Pests in Connecticut in 1921 . . . . 332, 334, 



U.S.A. : The Violet Gall Midge, Contarinia violicola, in Connecticut . . 



U.S.A.: An Outbreak of Argyresthia thuiella in Cxim:\ect\cu.t 



U.S.A. : Tests of Materials for the Control of Wireworms 



U.S.A. : Experiments in Dusting versus Spraying in Connecticut 



W^EST Indies : Notes on Dtwmitus punctifer 



West Indies : ■ Measures against Cotton-stainers in St. Vincent 



West Indies : Cacao Pests in Grenada . . . . . . . . 297, 



West Indies : Legislation against Plant Pests in Trinidad 



West Indies: Insect Pests in Guadeloupe in 1920 



A List of Lepidopterous Pests of the Grape-vine . . 



The Preparation of Nicotine Dust as an Insecticide 



Inter-relations of Insects in Nature . . 



The History of Spraying Mixtures 



The Coleoptera of Europe ( Review) . . 



A Carbon-tetrachloride Killing-bottle 



Notes on the Biology of Chalcids 



Forest Entomology (i?CTfew) .. 



Legislation : Against Plant Pests in N. Rhodesia 



Legislation : Respecting Cotton-growing in Swaziland . . 



Legislation : Against Insect Pests in Canada 



Legislation : Restricting the Importation of Sugai-cane in India 



Legislation : Against Plant Pests in Trinidad . . 



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