IT CONTESTTS. [Vol. 36 



Page. 



Root hardiness of fruit trees • - 840 



The cost of producing apples in western Colorado, Thomson and Miller 841 



The cost of producing apples in Hood River Valley, Thomson and Miller 841 



The mulched -basin system of irrigated citrus culture, Briggs et al 841 



The mulch-basin system , Briggs, Jensen, and McLane 842 



A humidifier for lemon-curing rooms, Shamel 842 



Shade trees, characteristics, adaptation, diseases, and care. Stone 842 



Fumigation of greenhouse plants with hydrocyanic acid, Saescer and Borden. . 842 



FORESTRY. 



A forest census of Alabama by geographical divisions, Harper 843 



Thirteenth annual report of the State forester [of Massachusetts], Rane 843 



The present and future of Pennsylvania's forests, Elliott 843 



Tree planting on agricultural estates and roads, Brown 843 



The Central Provinces forest manual 843 



The relation between forests and atmospheric and soil moisture in India, Hill . . 843 



Seed selection in the cultivation of Hevea brasiliensw, Beadle and Stevens. . . 843 



Ecology of sal. — III, Soil aeration and water cultures. Hole and Singh 844 



Our wattles, Wollaston 844 



Investigations of the rotting of slash in Arkansas, Long 844 



Yields from the destructive distillation of certain hardwoods, II, Palmer 844 



Poles purchased, 1915, McCreight 844 



Handbook on wood preservation 844 



DISEASES OF PLANTS. 



Transmission of diseases by seeds, Blaringhem 844 



Chemotropic reactions in Rhizopiis nigrkans, Graves 845 



Discovery of internal telia produced by a species of Cronartium, Colley, 845 



Discussion of certain plant diseases, Barrett 845 



Report of the department oi plant pathology, Cook et al 845 



Investigations on plant diseases] - 845 



Plant diseases in British Guiana], Bancroft 846 



Plant diseases in Tasmania], NichoUs ._ 846 



A physiological study of two strains of Fusarium, Link 846 



The part played by the seed in the dissemination of potato diseases, Quanjer. . 847 



Nature, dissemination, and control of phloem necrosis, Quanjer et al 847 



Report of potato spraying experiments for 1915, Lint 847 



Report of the potato scab experiments, 1915, Lint 848 



Physiological studies of Bacillus radicicola of soy bean, Wilson 848 



A squash disease caused by Choanephora cucurbitarium, Wolf 848 



Arsenical injury through the bark of fruit trees, Swingle and Morris 849 



Diseases of deciduous fruit trees, Smith 849 



Peach yellows and little peach at Vinelahd, Blake and Connors 849 



Plum pockets, Rabate 849 



Little leaf of the vine, Bioletti and Bonnet 849 



Control of Oidium or vine mildew, Bioletti 850 



Spraying pineapple plants on manganese soils with iron sulphate, Johnson 850 



Citrus canker investigations at the Singalong Experiment Station, Dor^dand 850 



Notes on the citrus canker, Wester 851 



Diseases of the Lime tree, Harrison, Bancroft, and Bodkin 851 



A Phoma disease of lavender, Brierley 851 



The extension of Marsonia rosse on rose bushes, Chifflot 851 



Roesleria pallida, Bayliss-Elliott and Grove 851 



[Hevea dieback in Sumatra], Vriens 852 



ECONOMIC ZOOLOGY — ENTOMOLOGY. 



A history of British mammals, Barrett-Hamilton and Hinton 852 



Gopher destruction, Grisdale 852 



The control of voles in Italy, Splendore 852 



Destruction of oysters by crabs. Nelson 853 



Insect enemies, Ealand 853 



Mushroom pests and how to control them, Popenoe 853 



