CONTENTS— COM/. 



Germany : Chloropicrin against Calandra granaria and other Pests 



Germany : Methods of estimating an Outbreak of tlie Nun Moth 



Germany : The Bionomics and Control of Bark-beetles. . 



CiERMANY : MeasuTcs against Anobium siriatuin in Timber 



Germany : The Importance of Applied Entomology 



Germany : The Training of Applied Zoologists 



CiERMANY : Leptophyes punctatissima attacking Beach Foliage 



Germany : Notes on Wireworms in Prussia 



Germany: Balaiunus glaudium infesting Acorns.. 



Germany : Carabus aurutus a Beneficial Species. . 



CiERMANY : The Spread of Phylloxera on the Rhine. . 



CiERMANY : Measures against Vine Pests 



Hawaii : Notes on Potato Pests . . 



Hawaii: A Mite infesting Peppers.. 



Holland : Insects in Relation to Leaf Diseases of Potatoes 



India : The Influence of Soil Factors on Disease Resistance 



India: Insect Pests in 1919-20 



India : The Life-history of Orthezia iiisigiiis 

 India : The Food of Insectiverous Birds 

 India : Spiders as Checks on Lepidopterous Larvae 

 India : The Importance of Insects to Fisheries 



India: An Erotylid infesting Italian Millet 



India : A Coleopterous Pest of Movinga 



India: Bionomics of Bruchids in Stored J 'ulses 



India : On the Insect Parasites of some Indian Crop Pests 



India : Trichonymphid Parasites of Termites 



India : The Bollworm Parasite described as Rhogas lefrovi 



India : Melolonthids of Economic Importance 



India: Methods of Preventing the Imjwrt of Plant Pests. . 



India: Some Aspects of Economic Entomology.. 



India : The Effect of Attack of Hoplocerambyx on Trees . . 



India : Birds of Economic Importance 



India : Native Methods against Insect Pests 



Italy : Insect Pests in 1920 



Italy : A List of Acari . . . . . . . . 



Italy : New Species and Genera of Aphids 



Malaya : Alleged Damage by Insects to Stored Rubber Seeds. . 

 Malaya : Notes on Brachartona catoxantha infesting Coconuts 

 Mexico: Notes on the Cotton-worm {Alabama argillacea) 

 Mexico : siiotroga cerealeUa infesting Maize 



Morocco : Rational Methods against Locusts 



Philippines : Leptocovisa acuta attacking Rice . . 

 Philippines : Notes on New Coccids . . 



Philippines : New Species of Thrips 



Philippines : New Gall Midges . . 



Porto Rico: Sugar-cane Pests in 1919 



Rhodesia : The Common Fruit Beetle {Pac/incda impressa) 



Silesia : The Bionomics of Tarsonemus spirifex. . 



Silesia: Measures against Contarinia torqitens infesting Cauliflowers.. 



Spain : Miscellaneous Pests in 1919-20 . . 



Switzerland : The Use of Arsenicals agamst Fruit Tree Pests. . 



Switzerland : A new Chalcid Parasite of Depvessavia . . 



Coconut Scales and their Parasites 



Matsuccus spp. infesting Pines 



Precautions against Pests of Grain Crops 



The Bionomics and Control of Aegeria pyri 



The Bionomics of Lauguria mozardi infesting Lucerne.. 

 U.S.A. : The Bionomics and Control of the Beet Leaf Beetle [Movoxia 



ptincticollis) . . 

 U.S.A. : The Western Cabbage Flea-beetle, Phyllotreta pnsilla. and its 

 Control . . . . . . . 



Tahiti 

 U.S A. 

 U.S.A. 

 U.S.A. 

 U.S.A. 



U.S.A. 

 U.S.A. 

 U.S.A. 

 in 

 U.S.A. 

 U.S.A. 

 U.S.A 

 U.S.A. 



The Crow in Relation to Agriculture 

 Measures against Insect Pests in S. Carolina 



An Ecological Study of Hammock and Pine\- Woods Insects 

 Florida . . . . . . . . . . . . . . 



An Enemy of Prickly Pear. . 



Pests of Peas and Other Crops in Wisconsin.. 



Coleopterous Pest of Stored Grain 



Insect Pests in Oregon in 1918-20.. 



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