IV CONTENTS. 



Page. 



The orchards of Maine, Hitchings 240 



Survey and ontlook of the fruit interests of the State 240 



The status of tlie American lemon industry, Powell 240 



Strawberries for New Hampshire, Hall - 240 



A study of the quality and production of several red grapes, Faes and Porchet. 241 



The sugar and acidity in the Chasselas Dore grape, Riviere and Bailhache 241 



Forcing plants with electricity, Bos 241 



Roses; their history, development, and cultivation, Pemberton 241 



The bibliography of the chrysanthemum, Payne 241 



Yard and garden, Baker 242 



FORESTRY. 



Report of board of directors of American Forestry Association for 1907 242 



Report of the forestry branch, July 1, 1906, to June 20, 1907, Dalrymple-Hay. 242 



The causes of timber lines on mountains, Shaw 242 



Cutting timl)er on tiie National Forests and providing for a future supply, Zon. 242 



Chestnut oak in the S(juthern Appalachians, Foster and Ashe 243 



Forest and ornamental trees on grounds of A. and M. College of Texas, Ness. 243 



The physical characteristics of the hardwoods of Australia, Julius 243 



The use of wooden poles for overhead power transmission, Wade 244 



Treating wood refractory to treatment and also subject to decay, AUerton 244 



Preservation of wood against decay, Henry 245 



The Ceara rubber tree in Hawaii, Smith and Bradford 245 



The rubber plant of southern Europe, Mattel and Van den Kerckhove 246 



Hints on the cultivation of Para rubber, Bartlett 246 



DISEASES OF PLANTS. 



Notes on some plant diseases, Savastano 246 



Fasciations of known causation, Hus 246 



Experiments in combating plant diseases, Ravn and Madsen-Mygdal 246 



Texas root rot of cotton: Field experiments in 1907, Shear and Miles 246 



Hollow potatoes, Massee - 247 



On the existence of Muxomonas beta;, Von Faber 247 



The distribution and control of cucurbit mildew, Kock and Kornauth 247 



Infecti( jn experiments with cucurbit mildew. Reed 247 



The cross-inoculation of fruit trees and shrubs with crown-gall, Hedgcock 248 



A new cherry disease, Salmon 248 



Recent studies of the olive-tubercle organism, Smith 249 



Trials relating to gooseberry mildew, and its eradication, Lind and Ravn 249 



Notes on the treatment of mildew, Degrully 249 



The black rot of the grape and its control, Reddick and Wilson 249 



A disease of chestnut trees, Sangier 250 



The possibility of control of walnut blight bv use of immune varieties, Ram- 

 sey .- --...-- 250 



Diseases of ornamental trees, Metcalf 250 



Rose mildew, Prillieux 250 



Fungicides, insecticides, and spraying directions, Stone and Fernald 250 



ECONOMIC ZOOLOGY — ENTOMOLOGY. 



The game resources of Alaska, Osgood 251 



Destruction of wolves and coyotes, Bailey 251 



The rabbit as a farm and orchard pest, Lantz 251 



Rabbits and the western flora, Peacock '. 251 



Destruction of the cotton boll weevil by birds in winter, Howell 251 



Food habits of wood pigeons, Winton 251 



Does it pay the farmer to protect birds? Henshaw 252 



An account of the Biological Survey, Henshaw 252 



Index-catalogue of medical and veterinary zoology. Stiles and Hassal .... 252 



Sixth report of State entomologist and plant pathologist of Virginia, Phillips. 252 



Proceedings of twentieth meeting of Association of Economic Entomologists. . 252 



Thirty-eighth annual report of the Entomological Society of Ontario 253 



Some factors influencing insect development, Hennings _ 254 



Increased weight of pupae in atmosphere with high carbon dioxid, Von Linden 254 



Some critical observations on the European species of Chermes, Burdon 254 



Intercortic;al scale formation and the development of Diaspis fallax, Morstatt. 254 



The biology of plant lice, Mordwilko — 254 



