

CONTENTS— ««K. 



PAGB 



Russia : Pests of Medicinal Plants in the Crimea 303 



Seychelles : Insect Pests in 1919 275 



Spain : Insect Pests of Olives 278 



Sweden : Investigations on Myelophilus piniperda . . . . . . 301 



Switzerland : Legislation of Long-standing against Insect Pests. . .. 268 



Switzerland : Psyche unicolor infesting Vines . . . . . . . . 316 



Tonkin : A Braconid Parasite of Xylotrechus quadripes . . . . . . 295 



Tripoli : The Successful Utihsation of Novitcs cardinalis . . . . . . 300 



Uganda : Insect Pests in 1919-20 319 



U.S.A. : Pests intercepted in Quarantine in California . . . . . . 265 



U.S.A. : A Mosaic Disease of Lettuce transmitted by Aphids . . . . 266 



U.S.A. : The Bionomics of Neodiprion lecontei infesting Pines. . . . . 266 



U.S.A. : Dipterous Parasites of Sawflies 267 



U.S.A. : The Bionomics of a Tachinid Parasite of the Colorado Potato 



Beetle 267 



U.S.A. : A New Weevil from Florida 269 



U.S.A. : A New Flea-beetle on Sugar-beet 269 



U.S.A. : Maize as a Trap-crop for the Heliothis obsoleta in Arizona . . 281 



U.S.A. : A European Membracid in New Jersey . . . . . . . . 283 



U.S.A. : A List of Aphids from New York 283 



U.S.A. : Vegetable Pests in Wisconsin 284 



U.S.A. : Larvae likely to be confused with that of Popillia japonica . . 284 



U.S.A. : A New Parasite of Rhagoletis pomonella in Connecticut. . . . 284 



U.S.A. : Experiments with Insecticides in Minnesota 284 



U.S.A. : Experiments against Conotrackelus nenuphar in Mississippi . . 285 



U.S.A. : Anthonomus grandis in South Mississippi . . . . . , . . 286 



U.S.A. : Legislation against Platyedra gossypiella in Mississippi . . . . 286 



U.S.A. : The Life-history of the Hylobius pales in Conifers . . . . 288 



U.S.A. : Insect Pests in Connecticut in 1920 290 



U.S.A. : Measures against the Gipsy and Brown-tail Moths in Connecticut 



in 1919-20 292 



U.S.A. : Notes on the False Apple Red Bug in Connecticut . . . . 292 



U.S.A. : A Sawfly feeding on Austrian Pine in Connecticut . . . . 292 



U.S.A. : Tests of Soap Sprays against Macrosiphum solanifolii . . . . 293 



U.S.A. : A Mite infesting Orchards in Connecticut 293 



U.S.A. : Lepidotera likely to be confused with the Pink BoUworm . . 293 



U.S.A. : The Biology of the Smartweed Borer, Pyrausta ainsliei . . . . 294 



U.S.A. : Prevention and Control of Insects in dried Fruits . . . . 294 



U.S.A. : Pests intercepted in Quarantine in California 294 



U.S.A. : Measures against Orchard Pests in Washington 295 



U.S.A. : Miscellaneous Pests in Indiana in 191^-19 296 



U.S.A. : The Bionomics of Cydia pomonella in Indiana . . . . . . 296 



U.S.A. : The Hessian Fly in Indiana 296 



U.S.A. : Bees and their Relation to Arsenical Sprays 296 



U,S.A. : The Economic Value of the Starling 304 



U.S.A. : The Relation of Insects to Mosaic Disease of Cucurbits . . . . 306 



U.S.A. : Lygris diversilineata infesting Vines in Pennsylvania . . . . 309 



U.S.A. : Notes on Grapevine Flea-beetles in Pennsylvania. . .. .. 309 



U.S.A. : The Grape-berry Moth in Northern Ohio 311 



U.S.A. : The Bionomics of the Red-banded Leaf-roller {Etdia velutina) . . 312 



U.S.A. : The Bionomics of the Clover-leaf Weevil 312 



U.S.A. : Report of the Insecticide and Fungicide Board for 1920 . . 313 

 U.S.A. : Plant Pest Quarantine Measures in 1920 .. .. .. ..313 



U.S.A. : Rules for Poisoning the Cotton Boll Weevil 314 



U.S.A. : Dispersion of the Cotton Boll Weevil in 1920 314 



U.S.A. : Grasshopper Control in the Pacific States 314 



U.S.A. : Measures against Sa/)efda co/carato 314 



U.S.A. : Notes on the Angoumois Grain Moth 314 



U.S.A. : Sprays for Hypara variabilis 315 



West Indies : The Danger of the Spread of the Pink Bollworm . . 315 



The Chemical Composition and Properties of Lime-sulphur . . • . 270 



A Revision of the Locusts of the Genus Dociostaurus 276 



The Mine-patterns of Bark-beetles 279 



Analyses of Proprietory Brands of Lead Arsenate 283 



Manual of the Orthoptera of New England 287 



A Monograph on Italian Coccidae {Review) 302 



The Preparation and Use of Banding Materials for Lepidoptera . . . . 307 

 Conditions influencing Injury in Fumigation with Hydrocyanic Acid . . 310 

 The Influence of Chemical Constitution on the Toxicity of organic Com- 

 pounds to Wireworms 320 



