CONTENTS— cont. 



Hawaii : A New Food-Plaxit of the Pink Boll Worm 

 Hawaii : The Occurrence of the Tahiti Coconut Weevil 

 Haw An : Notes on Bruchidae and their Parasites 

 Hawaii : New Genera and Species of Encyrtidae 

 Hawaii : Wire worms as Sugar -Cane Pests . . 

 Holland : An Outbreak of the Nun Moth . . 

 Holland : Nematodes infesting Flower Bulbs 

 India : Insect Pests in Bengal in 1917-19 . . 

 Italy : A Tachinid Parasite of Galerucella luteola 



PAGE. 



436 

 436 

 436 

 437 

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 423 

 441 

 444 

 432 



Italy : Precautions against the Introduction of the Argentine 



Ant . . 

 Japan : The Cultivation of Pyrethrum 

 Java : A New Parasite of Dacus ferrugine,us 

 Lithuania : Insect Pests in the Virgin Forest of Bialowies 

 Mexico : The Utilisation of Dried Insects for Poultry Food 

 New Zealand : Woolly-Aphis Control 



Porto Rico : The Use of Ammonium Sulphate against Sugar-cane 

 Grubs 



Porto Kico : Insect Pests in 1918-19 



Porto Rico : Strategus quadrifoveatus infesting Coconuts . . 

 Tunis : Notes on Vine Pests . . 

 U.S.A. : A Fungus infesting Ants. 

 U.S.A. : Notes on New Aphids 



The External Anatomy of Anthomyia radicum 

 The Digestive System of the Periodical Cicada 

 A Nematode Disease of Red Clover and Strawberry in the 

 Pacific Northwest 

 U.S.A. : Insect CaiTiers of Bacillus tracheiphilus 



: Control of the Strawberry Leaf Beetle in Maryland 



: A New Species of Pissodes infesting Pines in California 



: Grasshoppers and other Pests in Montana . . 



: Measures against Miscellaneous Pests in S. Dakota 443, 444 



: The Biology and Economic Importance of Solenopis molesta 446 



: The European Corn Borer and Similar Native Insects in 



Illinois 



U.S.A. : Cotton BoU Weevil Control by the Use of Poison . . 



U.S.A. : Insect Pests of Blackberries, Loganberries and Strawberries 



in Washington 



U.S.A. : Sprays for Potato Pests in North Carolina . . 459, 460 



U.S.A. : Measures against the Cotton Boll Weevil in North 



Carolina 

 U.S.A. : The Green Clover Worm infesting Soy Beans in North 



Carolina 

 U.S.A. : Measures against the Alfalfa Caterpillar 



Spraying and Dusting against the Codling Moth . . 



The Prospects of Professional Entomology 



Twig-pruning Coleoptera in California 



Experiments with Nicotine against Oydia miolesta. . 



The Occurrence of the Chinch-bug in Eastern Massachusetts 



A European Pest {StilpnoUa salicis) found in Massachusetts 



Notes on Leafhoppers of the Genus Deltocephalus . . 



New Records of Cicadellidae 



The Bionomics of Cephus cinctus 



TATT?c . Insects Pests m St. Kitts-Nevis in 1918-19 



A New Nematode infesting Mahogany in Barbados 



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 U.S.A. 



U.S.A. 

 U.S.A. 

 U.S.A. 



U.S.A. 

 U.S.A. 



U.S.A. 



445 

 422 

 435 

 419 

 429 

 431 



446 

 446 

 451 

 450, 452 

 417 

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 419 



422 

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 442 



450 



457 



459 



460 



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U.S.A. 



U.S.A. 



U.S.A. 



U.S.A. 



U.S.A. 



West Indies 



West Indies 



The Life- Cycle of Aphids and Coccids. . 



The Destruction of Injurious Insects. (Review) 



The Effect of Hydrocyanic Gas on Insect Pests 



The Use of Arsenicals in Plant Protection 



The use of Carbolineum as an Insecticide 



Notes on D err is as an Insecticide 



The Partial Sterilisation of Soils 



The Selection of Food-Plants by Insects 



460 

 462 

 462 

 462 

 462 

 463 

 463 

 464 

 464 

 464 

 464 

 442 

 45i> 

 418 

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 439 

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 459 



4 



