CONTENTS— co«<. 



PAGE 



Germany : J.Ieasures against Argyresihia conjugella . . . . . . 466 



Germany : Nematodes infesting Potatoes . . . . . . . . ... 466 



Hawaii : Notes on Pineapple Pests . . . . . . . . . . . . 445 



Hawaii : Pests intercepted in Quarantine . . . . . . . . 446, 476 



Holland : Notes on Fruit Pests . . . . . . . . . . . . 465 



India : The Protection of Insectivorous Birds . . . . . . . . 456 



India ; Coccid Pests of Tea and Tephrosia . . . . , . . . 476 



India, Portuguese : Measures against Oryctes rhinoceros .. .. 455 



Italy : Apple Pests in Sicily . . . . . . . . . . . . 444 



Italy : Measures against Lytia vesicatoria on Olives . . . . . . 455 



Morocco : The Introduction of Novius cardinalis . . . . . . 462 



New Zealand : Insect Pests in 1921-22 467 



New Zealand : The Importance of the Rhynchota . . . . . . 468 



Russia : Notes on Phaedon cochleariae . . . . . . . . . , 444 



Russia: Insect Pests in the Petrograd District .. .. .. .. 454 



Russia : A New Species of Pemphigus on Alder . . . . . . . . 454 



Russia : A New Phaedon from the Urals . . . . . . . . . . 454 



Russia : A Handbook of Practical Studies in Entomology . . . . 455 



Russia : Notes on Pieris brassicae . . . . . . . . . . . . 455 



Russia: A New Bark-beetle in the Crimea . . .. .. .. .. 463 



Sudan : Asal of Cotton and its Causes . . . . . . . . . . 450 



Sudan : Notes on the Cotton Thrips . . . . . . . . . . 450 



Sweden : Problems of Forest Entomology . . . . . . . . . . 460 



Switzerland : Notes on Vine Moths . . . . . . . . 443, 467 



Switzerland : Measures against Pieris brassicae . . . . . . . . 443 



Switzerland : Vine Pests in 1921 . . . . . . . . , . . . 444 



Switzerland : Cassida nebiilosa infesting Beet . . . . . . . . 467 



U.S.A. : The Relation of Insects to Tomato Mosaic . . . . . . 442 



U.S.A. : A List of the Califomian Aleurodids . . . . . . . . 445 



U.S.A. : Measures against Pholus achemon in California . . . . 445 



U.S.A. : A Destructive Lawn Insect in Florida . . . . . . . . 445 



U.S.A.: l^otes on Dinapate wrighti in Caliiorma .. .. .. .. 451 



U.S.A. : The Strawberry' Crown-borer in Kentucky . . . . . . 451 



U.S.A. : Flea-beetles of Tobacco and Potato in Kentuckj- . . . . 452 



U.S.A. : Typocerns sinuatus as a Forage Plant Pest . . . . . . 452 



U.S.A. : The Com Borer Problem in New York . . . . . . . . 456 



U.S.A. : An Anobiid infesting the Puff ball . . . . . . . . 457 



U.S.A. : Hymenopterous Parasites in Pennsylvania . . . . . . 457 



U.S.A. : The Onion Thrips in Iowa . . . . . . . . . . . . 458 



U.S.A. : Control of the Sugar-cane Borer . . . . . . . . . . 458 



U.S.A. : A New Thrips from Florida . . . . . . . . . . 463 



U.S.A. : The Spread of the Cotton Boll-weevil . . . . . . . . 469 



U.S.A. : Pests of Cucumbers in Greenhouses . . . . . . . . 469 



U.S.A. : Fumigation with Hydrocyanic Acid Gas in California . . . . 470 



U.S.A. : The Artichoke Plume Moth in California . . . . . . . . 470 



U.S.A. : Nematodes attacking Dahlia Tubers . . . . . . . . 470 



U.S.A. : Two New Blister Mites in California 471 



U.S.A. : Pests intercepted in Quarantine in California . . . . . . 471 



U.S.A. : An Arsenical Spray for Potatoes . . . . . . . . . . 478 



U.S.A. : Measures against Clothes Moths . . . . . . . . . . 478 



U.S.A. : Notes on Cynipids 478 



U.S.A. : Chalcids of the Subfamily Leucospininae . . . . . . 479 



U.S.A. : The Relation of Temperature to Development in Cydia pomonella 479 



U.S.A. : Fumigation with Hydrocyanic Acid Gas in Greenhouses . . 480 



West Indies : Miscellaneous Pests in Grenada in 1921 . . . . . . 453 



West Indies : Insect Pests in Tortola, 1920-21 .. .. '. . .. 453 



West Indies : The Pink Bollworm in Montserrat . . . . . . 453 



West Indies : Cacao Pests in the Dominican Republic . . . . 456 



West Indies : Control of Insect Pests in Jamaica . . . . . . 468 



The Effect of Paradichlorobenzene on the Viability of Stored Seeds . . 453 



Notes on New Termites . . . . . . . . . . . . . . 458 



The Addition of Adhesives to Insecticides . . . . . . . . . . 460 



Insects as Food for Domestic Animals . . . . . . . . . . 463 



Injury to Foliage by Arsenical Sprays . . . . . . . . . . 468 



The Addition of Glucose to Arsenicals .. .. .. .. .. 471 



Methods for Expressing the Association of Different Species . . . . 472 



Legislation : Against the Importation of Citrus into S. Rhodesia . . 449 



