IV CONTENTS. 



Paee. 



Seodlins <"incs and inaimrial cxix'rimcnts at, Harhados, liKMi-IDOS 536 



Agricultural work for UH)()-lf)08 at, Barbados, d'AlbuquerfjUc and JJovcll 536 



Report, on turni]) manuring cxporiments, J 908, Greig 536 



(Rotham.sted wheat, experiments of 1909], Willis 537 



Some varieties of wheat 537 



The hybrid wheats, Sj)illman 537 



Hybrid wheats, Thatcher 537 



Judging and eommercial grading of small grains and hay, Knight 537 



HORTICULTURE. 



Lime nitrogen, sulphate of ammonia and nitrate of soda for cabbage, Wchnert. . 537 



Suggestions for defense against spring frosts, DegruUy. 538 



The pruning of apj^le trees, Thornber 538 



Origin and synonymy of the olive varieties of Istria and Trentino, Ilugues 538 



Propagation of mangoes, Hess 538 



The limitation of tlie Satsuma orange to Trifoliate-orange stock, Swingle 538 



Citrus fruits in Texas, Hume 538 



Cocoa experiment plats, Malins-Smith 538 



The cultivation of coffee, Jackson 539 



Yerba mate or Parana tea, Warburg and Wohltmann 539 



Investigations in connection with the African palm-oil industry 539 



Green manuring in the Tropics, McCall 539 



Trees in Washington, Thornber 539 



FORESTRY. 



Surface condit ions and stream flow, Hall and Maxwell 539 



The reforestation of sand plains in Vermont, Howe 539 



Reproduction of western yellow pine in the Southwest, Pearson 540 



Accretion investigations with oaks, Klemme 540 



British oaks. Moss 540 



Burmese in wood (Dipterocarpus tuberculatus), Troup 540 



Wattle growing for bark, ^Taylor 540 



Report on the rubber trees at Nilambur and Calicut, South Malabar, Proudlock . 540 



Rubber culture in the Dutch Indies, Van Houten 540 



Germination tests of forest seeds, Jacobsen 540 



Investigations on the pruning of forest trees, Zederbauer 541 



How to make improvement thinnings in Massachusetts woodlands. Cook 541 



A study of the Massachusetts wood-using industries. Maxwell 541 



Investigations on the elasticity and strength of Austrian building timbers 541 



Impregnation of wood, Friedmann and von Heidenstam 541 



Impregnation of beech ties with copper arsenite, von Lorenz 542 



The use book: Grazing 542 



DISEASES OF PLANTS. 



Researches on fungi, Buller 542 



The parasitism of fungi, Schmidt 542 



The dissemination of disease by means of the seed of the host plant, Barrus 543 



Some Fusarium diseases of plants, von Tubeuf 543 



The hetera^cious plant rusts of Indiana, Johnson 543 



International statistics of the grain rusts, Sorauer 543 



The parasitic Uredinese of Japanese grasses, Ito 544 



Results in breeding cereals in a specially prepared disease garden, BoUey 544 



A new disease of alfalfa in Austria, Bubak 544 



Cotton anthracnose, Barre 544 



A serious potato disease occurring in Newfoundland, Giissow ~ 545 



Infection experiments with Chrysophlyctis endobioiica, Schneider 545 



A discussion of the leaf roll disease of the potato, Schmidt 546 



Two epidemics of potato blight and rot, Morse 546 



Bean anthracnose, von Diakonoff 546 



Investigations of the club root disease in Central Jutland, Christensen et al 546 



Apple diseases caused by Coryneumfoliicolum and Phorna mali, Lewis 547 



A new disease, black mold, of the grapes in Russia, Mokrzecki 547 



Two epidemics of mildew in Baden, Miiller 547 



The die back and brown rot of cacao, Van Hall-de Jonge and Drost 547 



