CONTENTS— «<ml. 



PAGE. 



The Life-Mstory of Haltica jamaicensis in Porlio Rico . . . . 560 



A Millipedo destroying Scale-Insects in Porto Rico . . . . . . 560 



Measures against Scale-Insects and Woolly Aphis on Fruit Trees in 



Britain .. .. .. .. .. ., .. .. 561 



A List of ApMds on cultivated Plants in Kharkov .. .. ., 561 



The Effect of meteorological Conditions on Insect Pests of Plants 



in Russia in 1917 ., 562 



Regulations for the Locust Campaign in Turkestan in 1917 . , 563 



Directions for dealing with Dociostaurus maroccanus in Russia . , 663 



Directions for the Identification of Locusts in Turkestan . . r. 563 



The Bionomics of Pterochloroides persicae in Turkestan . . . . 663 



Preventive Measures against Calandra granaria in Russia. .^ ^ 565 



Anthonomus pom&rum and its Control in Russia . , . » . , 666 



An Outbreak of Hyponomeuta malinellus in Russia .. . . . . 566 



Tyroglyphus farinae, a Pest of dried Fruits in Russia ... ... 568 



Pests of the Siberian Cedar in Russia and Siberia .* . . ... 567 



Experiments in trapping Dysdercus delauneyi in St. Vincent ►. 667 



Measures against Targionia hartii on Yams in Jamaica . . .-. 567 



The Value of Ants against AleuroGanthus woglumi in Jamaica c^-. 568 



Shade Tree and Forest Pests in Manitoba . . . , , . ►. 568 



Experiments on the Effect of Smelter Gases on Insects in U.S.A. — 568 



Pests of Tobacco, etc., in Guam ., .. .^ ... c< 569 



The Oviposition of Rhynchites conicus in France .^ .... .., 569 



Schistocerca paranensis in the State of Amazonas, Brazil ► . , . 569 

 Lepidopterous Pests of Cabbage and their Control in France 569, 570 

 The Bionomics and Economic Value of Dolichoderus bituberculatus in 



Cacao Plantations in Java . . . . . . . . . , . . 670 



The Bionomics and Control of Schoenobius incertellus in Japan and 



the Far East .. ..674 



Grease -banding of Fruit Trees against Oheimatobia brumata in 



Britain . . ... . . . . . . . . ^ ... 675 



An Experiment in Storing Maize for Seed in Grenada ... .-, 675 



The Bionomics and Control of Tarsonemua paUidus, a Pest of 



Geraniums in U.S.A. .. .. .^ ., .. .. 576 



The Transmission of the Mosaic Disease of Tobacco by Aphids in 



U.S.A 677 



A Study of the Proteins of certain Insects with Reference to their 



Value as Food for Poultry. . . . . . . , .^ . . 577 



Elasmopalpuslignosellus a.ad. its Control in v. S. A. ., .. .^ 578 



The Strawberry Root Weevil and its Control in U.S.A. .-. . . 579 



Pests intercepted in Quarantine in California ... . . . . 579 



Pests intercepted in Quarantine in Hawaii ... ^ ... ... 680 



The Establishment of Beneficial Parasites in Hawaii . . . . 580 



The Internal Disease of Cotton BoUs in the West Indies . . . . 580 



Measures against Dysdercus delauneyi in St. Vincent . . . . 581 



The Resistance of certain Varieties of Cotton to the Black Scale 



in the West Indies . . ., .^ ., ,, ,. ,. 581 



The Apple Maggot in British Columbia . . . . . , . . 681 



A List of the Scolytid Beetles of Oregon . : ,. ^. .. 582 



Notes on the Construction of the Cocoon of an Aphid Parasite . . 582 



A New Egg-parasite of the Sumac Flea-beetle in U.S.A 683 



The Control of Lasioderma serricorne in dried Tobacco in Sumatra. . 583 



Plant Pest Legislation in Canada . . . . . . . . . . 584 



