CONTENTS— coKt. 



PAGE. 



U.S.A.: Dusting Experiments in Peach and Apple Orchards inVirginia 363 



U.S.A. : An Infestation of the White Pine Aphid 364 



U.S.A.: TheBroodsof the Tobacco Worms in Kentiioky .. .. 36i 



U.S.A.: Experiments against the Chrysanthemum Gall Midge .. 364 



U.S.A.: A New Aleurodid on imported Azaleas ,. .\ .. 365 



U.S.A. : The Transmission of Mosaic Disease of Sugar-cane by Insects 370 



U.S.A.: Me^rnvres against Cosmopolites sordidiis ia Florida .. .. 371 



U.S.A. : A New Tropical Weevil from Florida 371 



U.S.A.: Insecticide Investigations in Oregon .. .. .. 372 



U.S.A.: Measures against Poj>'iH7"«jrt^on,iea in New Jersey .. ., 374 



U.S.A.: The Bionomics and Control of the Hessian riy .. .. 376 



U.S.A.: Control of American Foulbrood in Bees .. .. .. 377 



U.S.A.: Descriptions of New Forest Lepidoptera .. .. .. 381 



U.S.A. : New Hymenoptera of Economic Importance in Forests . , 381 



U.S.A.: The Bionomics and Control of JVe-sam i?(>idit?a in Florida .. 381 

 U.S.A. : A Blossom-destroying Beetle infesting Mango Trees in 



Florida ..383 



U.S.A.: Pests iatereepted in Quarantine in Florida .. .. .. 383 



U.S.A. : The Establishment of Beneficial Fungi against Whiteflies 



in Florida . . . . . . . . . . . . . . . . 384 



U.S.A. : The Bionomics and Control of the Green Clover Worm, 



Plathypena scahra .. .. .. ., .. .. 384,390 



U.S.A. : Insect Pests in Virginia in 1918-19 .. 



U.S.A. : Notes on Cabbage Pests in South Dakota 



U.S.A. : Gooseberry and Currant Pests in South Dakota 



U.S.A. : A ready-made Grasshopper Poison ,. 



U.S.A. : A Note on the Indian Peach Aphis, Anur aphis heUchrysi 



U.S.A. : The Interception of Fruit-fly Larvae from South Africa 



U.S.A. : Pest intercepted in California. . .... 



U.S.A. : Notes on the Cornpith Weevil, Centrinuspenicellus 

 U.S.A. : The Bionomics of 8phenophorus pertinax infesting Maize 

 U.S.A. : The Life-Histories of Jyac/wosier«.aspp. in Kansas .. 

 U.S.A. : The Life-history of the Chinch Bug in Montana 

 U.S.A. : A Predaceous Enemy of Bean Bruchids 

 U.S.A. : Geresabub(dus in Orchards in Michigan 

 U.S.A. : Ehrhornia cxi,pressi and other Cypress Pests in California 

 U.S.A. : An Offer to conduct the Introduction of Cuban Parasites of 



the Sugar Cane Borer . . . . . . .... 



U.S.A. : The Co-operation of Railways in dealing with Entomologi 



cal Problems 

 U.S.A. : Measures against the Alfalfa Weevil in Ohio 

 U.S.A. : Transmission of Mosaic Disease of Potatoes by Insects 

 U.S.A. : Measures against the Potato Eelwormin Oregon . . 

 U.S.A. : Precautions against the Potato Tuber Moth in Oregon 

 U.S.A. : Insect Pests of Kale in Virginia 

 U.S.A. : Control of the Grape-berry Moth in Northern Ohio 

 U.S.A.; Measures against the Bean Ladybird 

 U.S.A. : Remedies for the Colorado Potato Beetle in South Dakota 

 U.S.A. : The possible Transmission of Apple Powdery Mildew by 



Insects 

 U.S.A. : A Study of European Foulbrood in Bees 

 U.S.A. : The Relation of Insects to Mosaic Disease of Sugar-cane 

 U.S.A. : The Control of the Sugar-Beet Nematode . . 

 U.S.A.: Measures against Pear Pests .. 

 U.S.A. : Scale-Insects of the Santa Cruz Peninsula, California 

 U.S.A. : Notes on Gonatopus ombrodes, a Parasite of Jassids . . 

 West Indies : Insect Pests in 1918 

 West Indies : The Red Ring Disease of Coconut Palms 

 The Properties and Preparation of Pyrethrum Powder 

 Direct Sunlight as a Factor in Forest Insect Control . . 

 Immunity Experiments with the Larvae of Oalleria viellonella 

 The Utilisation of Chloropiciin against Insect Pests of Plants 

 The Methods of forming New Colonies by Termites . . 

 Insect Transmission of Plant and Animal Diseases 

 Experiments with Substitutes for Nicotine 

 A Combined Bordeaux and Oil Emulsion Spray . . ■ . 



Insect Pests and Fungus Diseases of Fruit and Hops (Review) 



385 

 386 

 386 

 386 

 387 

 387 

 387 

 388 

 389 

 391 

 392 

 392 

 393 

 393 



396 



396 

 396 

 397 

 401 

 402 

 402 

 403 

 403 

 412 



413 

 414 

 414 

 414 

 415 

 415 

 416 

 410 

 411 

 362 

 365 

 367 

 369 

 371 

 396 

 400 

 401 

 404 



