IV CONTENTS. 



Page. 



The cotton plant, Flatters 734 



The Indian cottons, Gammie ., 734 ' 



Cotton in western French Africa, Henry 734 



Oat crops of the ITnited States, 1866-1906, Clark 734 



Potato culture, Werner 734 



Report of experiments upon the potato crop 1905-6, Porter and Gaut 735 



Cooperative variety and fertilizer tests with potatoes, WeibuU et al 735 



Potato variety tests, 1906, Dannfelt 735 



Notes on seed potatoes, Parisot 735 



The effect of defoliating sugar beets, Andrlik and Urban 736 



Experiments with varieties of sugar cane, D' Albuquerque and Bovell 737 



Annual report on sugar manufacture, Bock 737 



Correlation in different varieties of VIciafdba, Orphal 737 



The formation of new varieties of wheat by hybridization, Htrampelli 738 



Studies of the nitrogen content of wheat, Thatcher and Watkins 738 



Wheat crops of the United States, 1866-1906, Clark 738 



Farm weeds of Canada, Clark and Fletcher 738 



HORT1CUI.TUKE. 



The fruiting habit of the grape, Keffer 738 



The influence of grafting on the cjuality of wines, Capus 739 



Rotundifolia grapes, Newman 740 



Notes on the royal American grape nurseries in Asti, 1901-1906, Persi 740 



The hybrid direct bearers at tlie Philippeville school in 1906, Godard 740 



The spindel tree. A suitable dwarf form for comn^ercial fruit growing 740 



Fruit growing and marketing in California, Boucher 741 



Fruits for Pennsylvania, Funk 741 



Report of the horticultural inspector on the trip in Holland 741 



The fruits of the Dutch East Indies, von Stiirler ' 741 



The packing of aj ipies in barrels and boxes, McNeill 741 



The keeping quality of apples _ 742 



Early cider apples, Truelle 742 



Plum culture in Massacinisetts, Waugh 742 



Propagation, planting, and culture of citrus fruits. Mares 742 



Seminal variation in the mango 742 



Spanish olive industry 742 



Olive oil production. Murphy 743 



(Treen persimmons made marketalile 743 



Tea in Formosa and Japan, Ukers 743 



The plant food requirements of the paprika plant (Capsicum), Windisch 743 



A contribution to the history of the tomato, Diirkop 744 



Strawberries: The newer varieties, Ballou 744 



Dewberries, Reimer 744 



The mulberry and other silkworm food plants, Oliver 744 



Some notes on almonds, Quinn 744 



Water lilies and other aquatics: Their relation to horticulture, Nash 744 



Beautiful gardens: How to make and maintain them, Wright 744 



How to lay out suburban home grounds, Kellaway 745 



FC)KESTRY. 



Handbook of the trees of the Northern States and Canada, Hough 745 



The forest trees of eastern Nebraska, Bessey 745 



Woods of Borneo, Maynard 745 



The swamp mahogany ( Eucalyptus rohnsta), Albert 745 



Terminalia cliebula and its fruit, the myrabolam of commerce. Turner 746 



Forest tables: Lodgepole pine, Ziegler /46 



Form and content of the white pine, Schiffel 746 



Botanical and physiological variations of Heveu brasiliensis, Yernet 746 



Management of second growth in the southern Appalachians, Zon 746 



Accretion investigations with firs, Usener 746 



The electric conductivity of trees, Wolff 747 



On the saw pinching of Japanese woods, Koide 747 



Distribution of pressure in wood disks of Quercus salicina, Koide 747 



Report of forest administration in the Punjab for 1905-6, Chester 747 



The lumber cut of the United States, 1906 748 



