CONTENTS— cent. 



PAGE 



Rhodesia, Southern : Notes on Tobacco Pests . . . . 193, 207 



San Thom^; : An Outbreak of Heliothrips rubrocinctus . . . . 201 



Siberia: A New Bark-beetle 175 



SoMALiLAND, ITALIAN : Notes on the Pink Bollworm . . . . 202 



Straits Settlements : The Efiect of Derris on Agromyza phaseoli 193 

 Sudan, Anglo-Egtptian : Clean Cultivation and its Relation to 



the Control of Insect Pests 172 



Sudan, Anglo-Egtptian : Notes on Cotton Pests. . .. 172,173 



Sudan, Anglo-Egtptian : Anthonomus vorax infesting Clothing. . 173 

 Sudan, Anglo-Egtptian : Measures against the Dura Asal Fly, 



ApJiis son/hi. . .. •• •• •• •• •• •• 1^8 



Switzerland: The Food-plants of the Gipsy Moth .. .. 291 



U.S.A. : The Establishment of Parasites of Diatraea saccharalis in 



Louisiana . . . . . . . . • • • • • • • • 169 



U.S.A. : Studies of Sorosporella uvella, infesting Noctuid Larvae . . 169 



U.S.A.: The Value of Birds in Orchards and Forests .. .. 174 



U.S.A. : Precautions against Cotton Pests in California . . . . 181 



U.S.A. : Measures against Termites 181 



U.S.A. : The Grape Scale in California 181 



U.S.A. : The Distribution of Insect Pests by Railways in California 181 



U.S.A. : Pests intercepted in Quarantine in California . . . , 181 



U.S.A. : The Beet Leaf -hopper in California 182 



U.S.A.: Lepidoptera at Light Traps 184 



U.S.A. : Eubiomyia calosomae, a Tachinid Parasite of Calosoma . . 184 



U.S.A.: Measures against J5rwc/ms gwadnwacttZafMS .. .. 185 



U.S.A. : The Control of Insect Pests in Montana 186 



U.S.A.: Report of the Insecticide and Fungicide Board .. .. 186 



U.S.A. : Report of the Federal Horticultural Board . . . . 186 



U.S.A. : Notes on new Coccids . . . . . . • • • • 187 



U.S.A. : Insect Pests in Michigan in 1918 188 



U.S.A. : Sprays for Fruit Pests in Michigan. . . . .. .. 188 



U.S.A. : Experiments with Gases against Aegeria exitiosa . . . . 189 



U.S.A.: The San Jos§ Scale and its Control 190 



U.S.A. : The Round-headed Apple-tree Borer 190 



U.S.A. : The Flat-headed Apple-tree Borer 190 



U.S.A. : The European Corn Borer Problem 190 



U.S.A. : Measures against the Sweet Potato Weevil . . . . 191 

 U.S.A. : The Life-history of the Jointworm Flies of the Genus 



Harmolita . . . . . . . . • • • • • • • • 207 



U.S.A. : The Control of Raspberry Pests in Washington . . . . 208 



U.S.A. : The -Leaf -hoppers of South Carolina 209 



U.S.A.: Sprays for San Jos6 Scale in Missouri 215 



U.S.A. : Insect Pests of Stored Grain in Oregon 215 



U.S.A. : The Maize Billbug, Sflienoplwrus maidis, in Kansas . . 215 



U.S.A. : Notes on CorytAuca bulbosa . . . . . . . . . • 215 



Uruguat : Notes on Fruit and Vegetable Pests 214 



West Indies : Cotton Pests in St. Vincent in 1918-19 . . . . 205 



West Indies: Plant Pest Legislation in St. Vincent .. .. 216 



West Indies : Plant Pest Legislation in St. Lucia . . .. .. 216 



A Suggestion for a better Popular Name for the Fulgoridae . , . . 169 



A Supplement to the Complete Literature of Bark-beetles . . . . 175 



Notes on New Scolytids. . .. .. .. .. .. •• 175 



Notes on Tropical Psyllids .. .. 191 



The Authorship of the Genus Lachnus . . . . . . . . . • 200 



The Parasitism of Coccinellids by AphiocTiaeta fasciata . . . - 212 



