IV CONTENTS. 



Page. 



On the nature of anthocyanin, Wheldale .- 726 



The demonstration of the formation of starch in leaves, Eckerson .- 727 



UtiHzation of nitrogen in air by plants, III, Jamieson 727 



Stimulation of storage tissues of higher plants by zinc sulphate, Silberberg ... 727 



The influence of chemicals in stimulating the ripening of fruits, Vinson 727 



Notes on the effect of mechanical pressure on the roots of Viciafubu, Gregory. 728 



Influence of traction on the formation of mechanical tissues in stems, Bordner. 718 



Light-perception organs of leaves, Damm 728 



International catalogue of scientific literature. E — Bacteriology 728 



FIELD CROPS. 



[Work with field crops at the Alaska stations], Gasser, Neal, and Heideman. . 728 



[Work with field crops], Taylor 729 



Further results in a rotation of potatoes, rye, and clover, Wheeler and Adams. 730 



Effects of manures throughout rotations of crops, Gilchrist 730 



[Work with field crops], Gilchrist 731 



Summary of agricultural experiments 731 



Hints to settlers on the Umatilla project, Oregon, Hunter 731 



The search for new leguminous forage crops. Piper 732 



The selection of cotton and corn seed for southern farms, Knapp 732 



Alfalfa, Ball 732 



New barleys 732 



Some factors involved in successful corn growing, Williams 732 



Cowpeas, Ten Eyck and Call 732 



The soy bean in the United Kingdom 733 



Comparative tests of sugar-beet varieties, Tracy and Reed 733 



Influence of self-fertilization on degeneration of the sugar beet, Andrli'k et al. 73-4 



A comparison of nitrogen fertilizers for sugar beets, Urban 734 



Substituting nitrate of lime for nitrate of soda in beet culture, Stoklasa 734 



Common salt as a fertilizer for sugar beets, Andrlik and Urban 735 



Sodium chlorid as a fertilizer for sugar beets, Mette 735 



Estimation of the sugar-beet crop, Mette 735 



Variations in seedling sugar canes 735 



[Storm resistance of D 74 sugar cane] 735 



Intensive methods and systematic rotation of crops for tobacco, Mathewson. . 736 



The varietal characters of Indian wheats, A. and G. L. C. Howard 736 



Methods of plant breeding as tested by experiment, Von Riimker 736 



The determination of the proportion of first-grade kernels in grain, Kegel 736 



Method of making germination tests, Pieper ^ 736 



Notes on eradication of weeds, with experiments in 1907-8, Pammel and King. 737 



Weed destruction. Brooks 738 



HORTICULTUKE. 



[Horticultural investigations in Alaska] , Georgeson et al 738 



Report of the department of horticulture, Pickett 738 



Hybridization in horticulture, Bellair 738 



Promising new fruits, Taylor 738 



Vineyard manuring experiments in Gorz-Gradiska, Gvozdenovic 738 



Plant culture, Oliver j 739 



Dahlia growing made easy, Lockley 739 



The orchid stud-book, Rolfe and Hurst 739 



New refrigeration car, Guenther 739 



FOEKSTRY. 



The basic principles and systematics of the science of forestry, Wappes 739 



The status of forestry in the United States, Cleveland, jr 739 



Forest conditions in Ohio, Green and Secrest 739 



The reclamation and reforestation of the high moors in Belgium, Crahay 740 



On the reforestation of culm piles and abandoned quarries, Leonard 740 



On the use of chemical fertilizers in forest plantations, Mathey 740 



The German forest, Buesgen 740 



A review of the forest administration of the Grand-Duchy of Baden for 1907. . 740 



Forestal and botany expedition to Kamerun and Togo, Jentsch and Biisgen. . 741 



Indian woods and their uses, Troup .- 741 



