IV CONTEXTS. [Vol. 10 



Page. 



Varieties of the Satsuma orancre group in Japan, Tanaka 342 



Varieties of ihe Satsuma orange group in the United States, Scott 342 



Successful grapefruit production in California, Shamel 342 



Roses and how to grow them, Beckett 342 



FORESTRY. 



The forests of Buchanan County, Va., Schwab 343 



The forests of Tazewell County, Va., Schwab 343 



Effect of grazing on western yellow nine reproduction, Sparhawk 343 



Marketing farm timber in South Carolina. Lamb 343 



[Report of the division of lands and forests] 343 



Forest administration In British India for the year 1916 17 343 



Annual report on the forestry department for i918, Fyffe 343 



DIJ •■'•' I'l ANTS. 



Some of the hroader phytopathological problems, Calloway 



Pathological aspects of the Federal : on Service, Shear 344 



Immunity and disease In plants. Butler 314 



Breeding for disease resistance in plants, Orton "111 



riant disease Investigations 344 



Kepi. rt on the plant disease situation in Guam, West i. jr 344 



Cultures of JEcidium tubvlosut and E. pasaifloriicola, Thomas 341 



Field studies of Cercospora beticola, McKay and Pool 344 



Perennial mycelium of GfymnoBportmgiutn blasdtUeanum, Boyce 845 



Occurrence of Puccinia gmminis tritici compacti, Stakman and Hoerner 843 



Differences between the species of Tilletla on wheat, Potter and Coons . 843 



Resistance of Manitoba wheat to fungus die 846 



Comparative smut resistance of Washington wheats, Gaines 846 



A possible new fungicide for wheat and barley smut. Mackle 846 



The Alternaria Leaf Bpot of cotton, Faulwetter 846 



Khizoctonia In Jute: The Inhibiting effect of potash manuring, Finlow 847 



Potato diseases. I. Early blight or loaf CUrl, DoidgC >*<47 



Leaf roll of potato. Blanchard and Perret 347 



D( termination of factors Inducing leaf roll. Murphy and Wortley 847 



Sweet potato storage rots, Harter, Wetmer, and Adams 847 



Bacterial diseases of tomatoes in St. Vincent, NoweD 



Winter injury to fruit tries. Paddock 348 



Tear blight wind borne, Stevens, Ruth, and SpOOner 848 



Pear-blight control in Rogue River Valley, Oreg., Cate 848 



Control of peach leaf curl at Yanco experiment farm. Allen 848 



Citrus canker eradication, Kvans 34'J 



Buried coconut trunks and root dise:,ses of rubber, South 340 



The spraying of tea In northeast India, Tunstall 31'.' 



Disease in forest trees caused by the larger fungi, Cheel and Cleland 849 



Notes on forest tree ru^ts, Weir and Hubert 849 



Resistance in the American chestnul to the bark diseases, Graves S49 



observations on Peridermiutn cerebrum, Dodge and Adams 849 



Advance rot and latent defects in aeroplane timber. Boyce 849 



Some new or little known hosts for wood-destroying fungi, Ti. Rhoads— 880 



Hydrogen-ion concentration necessary t.» inhibit growth, Meacham .""•" 



ECONOMIC zooiocv l NfOMot oi;y. 



Control of ground squirrels hy the fumigation method. Stewart and Burd 880 



Laws relating to fur-bearing animals, 1918, Lantz o.~.<> 



Wild animals [of the Yellowstone National Park], Bailey 860. 



Mutanda ornithologlea, IV, Oberholser 850 



Notes on North American birds. i\ VII, Oberholser 881 



Some notes on Connecticut birds, Cabrielson 881 



Bird notes from Forrester Island. Alaska. Willett 881 



A synopsis of the races of Bombycitte garrula, Oberholser 861 



Description of a new lole from the AnambS Islands, oberholser 851 



Two new shrews from Oregon, Jackson .'*">i 



The food of Australian birds, Cleland et al 861 



