CONTENTS— wml. 



PAGE. 



The Comparative Values of the Arsenates of Lead and Calcium in 



Sprays . . 

 The White Pine Weevil, Pissodes atrohi, in Quebec . . 

 Two Destructive Shade-tree Borers in Quebec 

 Near Relatives of Insects Injurious to Plants in Quebec . . 

 The commoner Crambids of Quebec 

 The Eye-Spotted Bud-Moth, Eucosma ocellana, and its Control 



Quebec 

 Studies in Greenhouse Fumigation with Hydrocyanic Acid . . 

 Objections to spraying Clover with Paris Green in Russia . . 

 The supposed Utility of Mowing Clover to protect it from Insects 



Russia . . . . . . ■ • ^ 



Taeniothrips inconsequens in the Crimea 



The proposed Anti-Locust Bureau for North Caucasia 



Insect Pests in Sumatra . . . . . . . . 



Experiments on the Hibernation of Leptmotarsa decemlineata 



U.S.A 



Insect Pests in the Seychelles 



The North American Species of Habrocytus 



Insect Pests intercepted in Hawaii 



The Establishment of beneficial Parasites in Hawaii . . 



Insect Pests in Nyasaland in 1916-17 . . 



The Diseases and Fests of the Coconut Palm in Malaya 



Measures against Attacks of the Pink BoUworm in Egypt . . 



Metamasius sericeus infesting Coconuts in the West Indies . . 



Coccinella septempunctata parasitised by Phora fasciata in France 



A New Braconid Parasite of Hypohorus fieus in France 



The Parthenogenetio Reproduction of Otiorrhynchus stdcatus 



France . . 

 The Value of Birds in Vineyards in France 

 Experiments in the Destruction of the Eggs of Vine Moths in France 

 Measures against Bhynchites conicus in Orchards in France . . 

 Measures against Xylotrechus quadripes infesting Coffee in India 

 An Outbreak of Pieris brassicae in France 

 The Striped Cane Weevil in Jamaica . . 

 Measures against Laphygma frugiperda in Jamaica . . 

 An Outbreak of Oalerueella luteola in Spain 

 Lonchaea aristella in the Peninsula of Sorrento 

 The Bionomics of Lonchaea aristella infesting Figs in Naples 

 Oscinosoma secretum infesting Figs in Naples . . 

 The Bionomics and Control of Coeliodes ruber infesting Hazel-nuts in 



Italy . . 

 The Causes of the Destruction of Bird Life in Australia 

 Insects and other Animals attacking Cacao-trees in the Belgian Congo 

 Pests of Cotton in the West Indies 



The Dangers of the Spread of Pectinophora gossypiella in Mexico 

 Maize as a Trap-crop for Heliothis obsoleta in Queensland . . 

 The Importance of Spraying in Orchards in Canada . . 

 The Bionomics and Distribution of the Sweet Potato Leaf -Folder 

 Hydrocyanic Acid Gas as a Soil Fumigant 

 Insect Pests in Canada in 1916-17 



On the supposed First Stage Larva of LeptohyUmyia eoarctata 

 Observations on Scale-Insects in the Tropics . . 

 The Status of Introduced Coccids in South Africa in 1917 . . 

 A List of Uganda Coccidae 



CkHeriica tanaceti, a new Pest of Potatoes in Germany 

 Plant Pest Legislation in India . . 

 Plant Pest Legislation in Ceylon 

 Laws of Maine Relating to Agriculture. . 



