IV CONTENTS. 



I'age. 



Peach experiments 1906-1910, Garcia and Mundell 743 



Experiments on processing persimmons to render them nonastringent, Gore. . . 744 



[Artificial ripening of dates] 745 



The relation of handling to decay in California navel oranges, Stubenrauch 746 



Report of the coffee expert, Van Leenhoff 746 



The Department and importation of insect-infested or diseased plants, Wilson. 747 



FORESTRY. 



The prairies in Central North America and their value for forest ciiltnre, Baker. . 747 



Management of Vermont forests with special reference to white pine, Ilawes. . . 747 



Windbreaks: Their influence and value, Bates 748 



National Forest Administrative Act 748 



Forestry in Norway, Meyer 748 



Forest administration in United Provinces, 1909-10, Clut1(^rbnrk and Jackson. . 748 



A research on the pines of Australia, Baker and Smith 748 



Seeds and seedlings of the conifers, Hickel 749 



Grafting the chestnut on other Cupuliferse, especially cm \ho. oak, Prunet 749 



[Experimental tappings with rubber], McClelland 749 



The culture of Hevea.— The planters' manual, Cramer, trans, by De Wildeman. 749 



DISEASES OF PLANTS. 



Plant disease observations at Ultuna, 1910, Henning 749 



Fungi exotici: XII, Massee 749 



On a new organ of the Mucorinese, Gueguen 750 



Some experiments with fungicides for stinking smut, Ditzell and Downing 750 



On potato leaf blotch and leaf curl. Home 750 



Articles by the committee on the leaf-roll disease of the potato, Dafert 750 



The leaf-roll disease. — II, The cause and propagation, Kock and Kornauth. . . 750 



The leaf-roll disease of the potato, Schander 751 



American gooseberry mildew and black wart disease. Griffon and Maublanc. . . 751 



The American gooseberry mildew, Salmon 751 



New experiments on the control of the American gooseberry mildew, Wagner. . 751 



The weather and grape mildew in Hungary, De Istvanfh and Savcjly 751 



Comparative experiments with certain sprays for downy mildew, Bretschneider . 751 



Apple rust, Giddings 751 



A canker of apple trees caused by the brown rot fungus, Salmon 752 



Sooty blotch: A new fungus disease of apples, Salmon 752 



An uncommon disease of plum trees, Brooks 752 



Peach freckle or bUck spot, Evans 752 



A leaf spot of the olive and curculio on almonds and peaches, Ramos 752 



Report of the pathologist, Fawcett 752 



Report on the banana disease of Chinsurah, Basu 753 



Three fungus enemies of orange trees, Fawcett 753 



The brown spot of the navel orange, Coit 753 



Die-back fungus of Para rubber and cacao ( Thyridaria tarda n. sp.), Bancroft. . 753 



The occurrence of burs on the trunk of Uevca brasiliensis, Bancroft 754 



Nut diseases; with special reference to the pecan, Waite 754 



Notes on fungus diseases, Pammel 754 



Zythia resinx as an injurious timber fungus. Brick 754 



Blue stain on lumber, Rumbold 755 



A disease of orchid leaves. Brooks 755 



Extermination of eelworms. Smith 755 



The chemistry of lime-sulphur wash. Burgess 755 



Some recent experiments with lime-sulphur spray, Wallace 755 



Lime-sulphur washes for use on foliage, Salmon 756 



ECONOMIC ZOOLOGY — ENTOMOLOGY'. 



A biological survey of Colorado, Cary 756 



The mammals of Bitterroot Valley, Mont., Henshaw and Birdseye 756 



Three important wild duck foods, McAtee 757 



Ofiicials concerned with the protection of birds and game, 1911, Palmer 757 



Index-catalogue of medical and veterinary zoology. Stiles and Hassall 757 



Report of the entomologist. Tower 757 



The insect pest of the Atokameh Tal lands, Woodhouse and Dutt 757 



Annual report of the entomologist for the year 1909-10, Anderson 757 



