CONTENTS PAGE 



Holland: Miscelki -ts in 19U) . . 9G 



India : The Economic V.jJuc of Woodpeckers . . . . 53 



India : The Problem of Controlling Hclopeltis theivora . . 55 



India : The Principles necessary in dealing with Tea Posts (iS 



India : An Annotated List of Crop Pests . . . . H8 



India : Miscellaneous Pests in the South . . (SS 



India : Borers in Sugar-cane, Rice, etc. . . hi^) 



India: Aleurodids of Economic Importance 70 



India : Notes on Rice Lcafhoppers . . . . . . . . . . 71 



India : Notes on Cotton BoUworms . . . . . . 71, 73 



India : Pests of Cotton in North Bihar . . . . 74 



India : An Index to Fruit Pests . . . . . . . . 74 



India : Coccids affecting Fruit-trees and Mulberries . . . . . , 75 



India : Thysanoptera and their Economic Importance . . 75 



India : Methods of Control of Agvotis ypsilon in Bihar . . . , . . 76 



India : Investigations on Helcypeliis theivora . . . . . . . . 77 



India : Notes on I^ntana Insects . . . . . . . . 77 



India : Problems in Forest Insect Control . . . . 77 



India : The Preservation of Wood against Termites . . 78 



India : Notes on Stored Grain Pests . . . . . . . . 78 



India : Preservation of Stored Potatoes from Insect Pests 79 



India : Notes on Apiculture . . . . . . . . 79 



India : Notes on Lac Culture . . . . . . . . . . SO 



India : Notes on Sericulture . . . . . . SO 



India : New Injurious Weevils . . . . . . 90 



Italy : Notes on Wheat Pests . . . . . . . . . . 42 



Italy : The LTtilisation of Botryiis hassiana against Lepidopterous Larvae 56 



Italy : A Mite infesting Castor-oil Plants in Sicily . . . . . . . . 56 



Italy : Notes on Chestnut Pests . . . . . . . . . . . . 85 



Italy : A New Apparatus for Destropng Locusts . . . . . . 88 



Japan : Notes on Aphids . . . . . . . . . . . . 41 



Macedonia : A List of Rhynchota . . . . . . . . . . . . 95 



Mesopotamia : Insect Pests of Dates and the Date Palm . . . . 91 



Morocco : A List of Insect Pests . . . . . . . . . . . . 57 



New Zealand : The Life-History of Pemphigus populitransversus . . 43 



Nigeria : Miscellaneous Pests in 1919 . . . . . . . . . . 52 



Panama Canal Zone : A New Avocado Weevil .. .. .. .. 91 



San Thom6 : Pests of Cacao, etc. . . . . . . . . . . 57, 58 



Sumatra : Measures against Lepidopterous Pests of Tobacco . . 85, 86 



Switzerland : Precautions against Phylloxera . . . . . . . . 56 



Switzerland : A Monograph on Melolontha (Review) . . . . . . 94 



Tonkin : Parasites of Xylotrechus quadripes . . . . . . . . 95 



U.S.A. : The Selection of Cotton against Anthonomus grandis . . . . 42 



U.S.A. : New Colcoptera infesting Forest Trees . . . . . . . . 43 



U.S.A. : Precautions against the Introduction of Cotton Pests into 



California . . . . . . . . . • . . . . . . . . 43 



U.S.A. : Insects intercepted in Quarantine in California . . . . . . 44 



U.S.A. : The Bionomics and Control of Cranberry Pests in Massachusetts 49 

 U.S.A. : Notes on Galerucella nymphaeae infesting Water-lilies in New 



Jersey .. .. .. .. .. .. .. .. .. 51 



U.S.A. : A New Lepidopterous Pest of Avocado in Florida . . . . 51 



U.S.A. : Measures against Peach Pests in Georgia . . . . . . . . 52 



U.S.A. : New Thysanoptera from Florida . . . . . . . . . . * 52 



U.S.A. : Insect Pests in Massachusetts in 1919 . . . . . . . . 60 



U.S.A. : Tylenchus tvitici infesting Wheat . . . . . . . . . . 82 



U.S.A. : Insect Control in Flour Mills . . . . . . . . . . 82 



U.S.A. : Insects causing Damage similar to that of White Pine Blister Rust 84 



West Indies : Insect Pests in Grenada in 1919 . . . , . . . . 59 



West Indies : Control of Cotton-stainers in St, Vincent . . . . . . 60 



West Indies : New Species of Lachnosterna . . . . . . 89 



The Effect of Heat on the Vitality of Cotton 41 



The Utilisation of Beneficial Insects . . 43 



Experiments with Coleopterous Borers of Bamboos . . 45 



A Species List of the Aphididae of the World (Review) . . 52 



A Bibliography of Pests of Sugar-beet in 1919 . . . . . . . . 55 



A Manual of Forest Entomology (Review) . . . . . . 55 



Locusts and their Control . . . . . . . . . . . . <>1 



Notes on Tachinids as Parasites of Injurious Insects 61 



A New Method of Fumigating with Hydrocy.i'^''^ A' "' ' ' 65 



Mercury as an Insecticide ..... 79 



A New Type of Entomological Killing-bottle 90 



Spiders of Economic Importance in Forestry . . . . . . . . 92 



Natural and acq\iired Immunity in the Caterpillars of Gailevia mellonella . . 96 



LEGISLATIO"^ ^'iternational Convention for Combating Locusts n7 



