IV CONTENTS. [vol. 36 



Page. 



Iris breeding 142 



My garden, Wilder 142 



My garden in spring, Bowles 142 



My garden in summer, Bowles 143 



My garden in autumn and winter, Bowles 143 



Beautifying the riiral home, Keyser and Welch 143 



FORESTRY. 



British forestry, Stebbing 143 



Forest problems and economic development in South America, Zon 143 



South American forests, Curran 143 



[Trees and shrubs on the Belle Fourche Reclamation Project], Aune 143 



Tree distribution under the Kinkaid Act, 1911 143 



Forest Ser\dce silviculture plans, Woolsey, jr 143 



Notes on forest cover and snow retention in Colorado, Belts 143 



Evaporation and soil moisture in relation to plant succession, Korstian 144 



Silvical notes on western larch, Larsen 144 



Slash pine, an important second-growth tree, Mattoon 144 



The natural root grafting of conifers, Newins 144 



Chemistry as an aid in the identification of species, Schorger 144 



Comparative test of Klaussner and Forest Serv ice standard hypsometers, Noyes . 144 



Utilization and round-edge lumber, Fisher 145 



The utilization of a tropical forest, Ahern 145 



DISEASES OF PLANTS. 



Department of botany, Osmun 145 



Five undescribed species of Ravenelia. Long 145 



/(!/ji2odon?a soZani in relation to "Mopopilz" and " Vermehrungspilz," Duggar. . 145 



Cereal disease resistance 145 



Rye smut, Stakman and Levine 146 



Determination of ustilaginous spores in flour, bran, and cereals, Bredemann 146 



The quantitative determination of smut spores in bran, Bredemann 146 



The Texas root rot fungus and its conidial stage, Duggar 146 



Spongospora on roots of potato and 7 other new hosts, Melhus and Rosenbaum. 146 



Meteorology and late blight of potatoes, Orton 146 



A Fusarium tuber and stem rot of potato, Haskell 146 



Crop yield, tuber color, and leaf roll of potato, Ahr et al 147 



Field studies on the Rhizoctonia of the potato. Cook and Lint 147 



The effect of Bordeaux mixture on the potato plant, Lutman 147 



Biochemical study of root rot in sugar beets, Bodnar 147 



Fruit tree diseases of southern Ontario, McCubbin 147 



Temperature relations of apple rot fungi. Brooks and Cooley 147 



Black root rot of apple, I'ulton and Cromwell 147 



Effects of Sphxropsis malorum on composition of the apple, Culpepper et al . . . 148 



Blister spot of apples. Rose 148 



Flower wilt and young fruit rot of apple by Sclerotinia mali n. sp., Takahashi. . 148 



Apple scald. Brooks and Cooley 148 



Brown blotch of the pear, Martin — .^ 149 



The parasitism of Valsa Icucostoma, Walton and Babcock 149 



Investigations of leaf spot of cherries and plums in Wisconsin, Keitt 149 



The Suiinam witch-broom disease of cacao, Rorer 149 



Chestnut tree disease in Ard6che, Trabut 149 



Influence of tannin content of host on Endothia parasitica. Cook and Wilson. . . 149 



The chestnut blight and the white pine blister rust, Brooks 150 



Eelworm parasite of plants, Frandsen 150 



Injuries to plants kept in rooms, Sorauer 150 



ECONOMIC ZOOLOGY — ENTOMOLOGY. 



Zoological record, Sharp 151 



Game laws for 1916, Palmer et al 151 



Second annual report of bird counts in the United States, Cooke 151 



A field ornithology of the birds of eastern North America, Ma>-nard 151 



Common birds of southeastern United States and agriculture, Beal et al 151 



How to attract birds in northwestern United States, McAtee 151 



Birds in their relations to man. Weed and Dearborn 151 



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