CONTENTS. V 



Page. 



Leaf curl or bacterial ring disease of potatoes, Brandl 150 



The ring disease of potatoes, Coleman 150 



A new rust of orchids in greenhouses. Griffon and Maublanc 150 



Orchard fungus diseases, Rolfs -. 150 



A disease of neglected peach trees, Rolfs 150 



[Some peach diseases], Blake and Farley 150 



A coffee disease in Guatemala, d'Herelle 151 



Some diseases of cacao, von Faber 151 



Diseases of cacao. Hart 151 



Some Botrytis diseases of Ribes, Wulff 151 



Some diseases of grapes and rust diseases of plants. Griffon and Maublanc 151 



A species of Discosia on living bull pine seedlings, Heald 151 



Abnormalities in Hevea brasiliensis, Fetch 151 



The immunity and susceptibility to disease of woody plants, Miinch 152 



Instructions for spraying. Chandler 152 



Copper in vineyard soils 152 



ECONOMIC ZOOLOGY — ENTOMOLOGY. 



Game laws for 1909, Palmer, Oldys, and Brewster 152 



Report on the use of virus for extermination of rats, Young 152 



Plague among ground squirrels in Contra Costa County, California, Rucker 153 



The birds of Ontario in relation to agriculture, Nash 153 



Some indigenous insectivorous birds, Curnow 153 



Crustacea and Arachnids, edited by Harmer and Shipley 153 



Classification of the Strongylidae, Railliet and Henry 153 



Bibliography of Canadian zoology for 1907, Lambe 153 



Bibliography of Canadian entomology for the year 1907, Bethune 153 



Economic entomology in the United States, Silvestri, trans, by Rosenstein. . . 153 



A portable outfit for the study and transportation of ants, Buckingham 153 



Relation of lepidoptera to the fertilization of Asclepiadacese, d'Herculais 153 



Revision of the Attidae of North America, Peckham 153 



Observations on two species of Hyalopterus, Hayhurst 154 



Some new and little known Coccida^, Cockerell and Robbins 154 



Contribution to a study of the Coccidse of West Africa, Marchal 154 



Scale insects from West Africa, Marchal 154 



The parasitic fungi of scale insects in the West Indies 154 



The apple sucker and its treatment, Theobald 154 



The genus Chermes in its relation to forestry, Macdougall 154 



Studies on the Trichoptera of Wisconsin, Vorhies 154 



Fourth report on suppressing the gipsy and brown-tail moths, Worthley 154 



The Hawaiian cane bud moth — some allied species and natural enemies, Swezey 155 



The habits and Injury of the asparagus fly in the vicinity of Paris, Lesne 156 



Biological investigations of Glossina palpalis, Roubaud 156 



Distribution of certain biting flies in the Federated Malay States, Pratt 156 



Report on the mosquito work for 1908, Smith 156 



Mosquitoes and malaria in Dehra Doon, India, Thomson 157 



Bark beetles of the genus Dendroctonus, Hopkins 157 



New South American Hymenoptera, Schrottky 159 



Nutritive exchanges in the bees during the 4 seasons, Parhon 159 



The Ichneumons of Great Britain, Morley 159 



The oviposition of Aphelinus mytilaspidis, Marchal 159 



Report of the entomologist, Smith 159 



Report of the government entomologist for the year 1907, Lounsbury 160 



Some insect pests of last season, Thomsen 161 



A study of three injurious insects 161 



Some insects injurious to cabbage, cucumbers, and related crops, Chittenden. . 161 



Prays oleellus and other insects of the olive in Calabria, Del Guercio 162 



Protection of woodlands in Ireland, Forbes 162 



Spraying for San Jose scale, Blake and Farley 162 



Fumigation of apples for the San Jose scale, Quaintance 162 



Important insecticides: Directions for their preparation and use, Marlatt 163 



Methods of exterminating the Texas fever tick, Graybill 163 



The poultry tick, Scholl 163 



Silkworm culture in the Transvaal, Gunn 163 



