IV CONTENTS. IVol. 43 



FORESTRY. 



Page. 



The United States forest policy, Ise 'J'^ti 



Vacation on the White Mountain National Forest 747 



Mountain outings on the Rainier National Forest "^7 



Fishing, hunting, and camping on the Cascade National Forest 747 



Ninth annual report of the State forester, 1919, Elliott 747 



Texas forest facts, Siecke 747 



Hawaii's tapestry forests, MacCaughey 747 



Forests and forestry in British Columbia, I'attullo, Naden, and Grainger__ 747 



The history of Irish forests and forestry, Robinson 747 



The woods and forest institutions in the new Province, Serpieri et al 747 



State forestry report for the year ended I\Iarch 31, 1919, Turner et al 747 



Report of the forest circles in the Bombay Presidency, 1918-19 748 



Forestry in Netherlands India, Van Asbeck 748 



Twelfth annual report of the Washington Forest Fire Association, 1919— 748 



Fire warden's handbook 748 



Forest aerial photographs. Nix J-18 



Collection of data as to the rate of growth of timber 748 



Rate of growth of conifers in the British Isles, Guillebaud et al 748 



Results of the timber census, Recknagel 748 



Rubber and coffee selection, Bally 748 



On tapping systems, Bally 748 



DISEASES OF PLANTS. 



Plant disease studies, Thornber 749 



A study of certain fusarial diseases of plants, Maneval and Johann 749 



Division of plant pathology, Heald 749 



Review of diseases of cultivated plants in 1918. Ferdinandsen and Rostrup- 750 



Destruction of zoospores by natural enemies, Harvey 750 



Emission of spores by LcptoHplurna hcrpotrichoidcfi, P^oex 750 



Biological studies on Botrytis cinerea, Biisgen 750 



The supposed parasitism of Coprinus radians. Biers 750 



The probable parasitism of Coprinus, Biers 750 



Foot disease of wheat, Foex 750 



Glume spot of wheat, Grisdale 750 



Partial smutting of wheat heads, Foex 750 



A disease of barley and oats, Foex 751 



The wheat nematode, Tylenchus tritici, Byars et al 751 



Market pathology and market diseases of vegetables, Link and Gardner— 751 



Transmission of the virus of bean mosaic in seed, Reddick and Stewart— 751 



Cotyledon infection of cabbage by Pseudomonas ca)iipe>itris, Drechsler 751 



Is potato scab controllable by rotation of crops? Shapovalov 751 



Susceptibility of various plants to curly top of sugar beet, Carsner 752 



The surface rot of sweet potatoes, Harter and Weimer 752 



Heterosporium leaf spot of timothy, Gregory 752 



A mode of treatment for chlorosis [in trees], Arnaud 752 



Spraying and dusting [apples], Fetch 752 



Second year's success with dusting [apple trees], Cossette 752 



A disease of pear, Foex 753 



Pear rust (Roestelia cancellata) and J nniperus .sabhia. Chassignol 753 



Dendrophoma leaf blight of strawberry, Anderson 753 



A rose graft disease, Vogel 7-J^ 



Tuberosities of chestnut and canker of roses, Foex 7o3 



Winter injury to ornamental trees and shrubs, Buck 753 



PhyUactinia corylea on oak leaves, Foex 754 



Parasites of plane trees in Nice, 1918, Cotte 754 



A walnut shell disease, Mirande 754 



White pine blister rust, Grisdale 754 



Relation of insects to dissemination of Cronartiinn rihicola, Snell 754 



Pine rust control, Hesselman 755 



Report of Pine Blister Rust Conference for Western North America, 1919- 755 



An outbreak of Trametes pirn in a forest of maritime pine, Guinier 755 



