CONTENTS— conr. 



Mauritius : Measures agaiuBt Sugar-cane Pests 



Mauritius : Insect Posts in 1918 



New Zealand : Hymenoptera of Economic Importance 



Palestine : Pests of Almond Trees . . 



PanaivL*^: The Coconut Butterfly, Braseolis isthmia, attacking 

 Banana 



Porto Rico : Insect Pests of Vegetables 



Porto Pdco : Measures against the Sweet Potato WeeTil 



Siberia : The Nomenclature of Bark-beetles 



Sweden : Notes on Plea-beetles 



Sweden : Notes on Bark-beetles . . . . 



Tunis : Studies of Goccobacillus acridiorum in Locusts 

 Insect Pests in New Jersey in 1917-18 

 Measures against AegerM exitiosa in New Jersey 

 Experiments against Wireworms in New Jersey^ 

 Studies on the Eggs of Important Apple Aphids in New 

 Jersey. . ,. . . . • . • . • . • 



U.S.A. : Measures against Aphids infesting Vegetables in New 

 Jersey. . . . . . • • 



U.S.A. : Measiires against Grasshoppers in California 

 Pests intercepted in Quarantine in California 

 New Aphids on Oaks in California . , 

 Notes on Coleophora laricellain Massachusetts 

 The Danger of the Introduction of Pyrausta nubiltdis 

 into Florida . . . • . . . . . . . . 



U.S.A. : Pests intercepted in Florida 



Insect Pests m Massachusetts in 1918 



Notes on Harmolita grandis infesting "VMieat 



Notes on the Bronze Apple Tree Weevil . . 



The Bionomics of Ajpliis hougMonensis on Gooseberry 



The Life- History of Macropsis virescens var. graminea . . 



A Lace Biig on Hawthorn m New York . . . . . . 



A List of Sugar-cane Pests 



A Nematode iufesting Red Clover . . 



A Migrating Army of Millepedes 



West Indies : A Disease of Coconuts caused by a Neraatod(} 



West Indies ; The Loss due to Sugar-oane Pests in Barbados 



Notes -on Agramyzid Flies of the Genus Cryptochaetuni 



The Compatibility of Spray Mixtures . . . , . . ' . . 



A Correction in Aphid Nomenclature 



The Beneficial Action of Lime in Lime- Sulphur and Lead Arsenate 



The Function of the Anal Comb of Certain Lepidopterous Larvae 



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