CONTENTS. Ill 



Pagp. 



Food and science 722 



The industrial tixation and utilization of atmospheric nitrogen 722 



Nitrogen oxids and cinubustion of nitrogen in high tension flame, Niiranen.. 722 



Validity of law of mass action for combustion of nitrogen, Grau and Russ 722 



On the absorption of nitrogen by calcium carbid, Polzenius 722 



On iime nitrogen, II, Bredig, Fraenkel, and Wilke 723 



Experiments with lime nitrogen, nitrogen lime, and lime niter, Steglich 723 



Tests of lime nitrogen, nitrogen lime, and other fertilizers. Otto 723 



Fertilizer experiments with nitrogen lime, Stntzer 723 



Influence of lime on ammonium sulphate and nitrogen lime, Stebutt 724 



Under Avhat conditions can ammonium sulphate be most effective? Rippert. . 724 



Crude aiinnonia, Gregoire and Hendrick 724 



Crude ammonia and calcium cyanamid, de Molinari and Ligot 724 



Peat : Its use and manufacture, Bjorling and Gissing 724 



Peat and its agricultural uses, Paturel 725 



The peat deposits of northern I ndiana, Taylor 725 



Glauconite as a fertilizer, Schreiber 725 



Field experiments on the more important potash salts, Wein et al 725 



Orange River silt as a fertilizing agent, Juritz 725 



Analyses of fertilizers collected dui-ing 1907. 726 



Analyses of commercial fertilizers, Frear et al 726 



Analyses of commercial fertilizers, Hartwell, Morgan, and Whipple 726 



Fertilizers and feeding stuffs act, 1906 726 



AGKICrLTfTRAL BOTANY. 

 f 



Botany at the British Association 726 



The germination of seeds of water plants, Crocker 726 



Effect of light upon the germination of spores, Life 726 



The action of colored light on plants, Flammarion 727 



Importance of physiologically balanced solutions for plants, Osterhout 727 



Frost injuries to sycamore buds, von Schrenk 727 



Plant anatomy and handV)0(ik of micro-technic, Stevens 727 



Experiments on the fall and renewal of leaves, Flammarion 728 



Mendel's law of dominance in Viola, Brainerd 728 



The experimental production of plant monstrosities, Daniel 728 



On the assimilation and respiration of some grafted plants, Daniel 728 



Variations in grafted and nongrafted plants, Laurent 728 



The composition of certain food plants after grafting, Laurent 728 



Morphology of leaves of fruiting and nonfruiting cherry branches, Seyot 729 



The nature and composition of the leaves of the cherry, Seyot 729 



Concerning the albinism of sugar beets, Fallada 729 



FIELD CROPS. 



The reseeding-of depleted range and native pastures, Griffiths 729 



Investigations on the differences in taking up plant food in the Leguminosae 



and the Ciraminei« and their probable cause, Lemmermann 730 



An experiment on the manuring of rye grass and clover, Porter and Gaut 731 



Influence of different depths of ])lanting on growth of cereals, RiggI 731 



The culture of cereals in Sfax, Tunis, Leloup 732 



The ripening of grains during storage, Atterberg 732 



The classification and nomenclature of grain varieties, von Riimker 732 



Meadow culture in its agricultural and technical aspects, Diinkelberg 732 



Hesselvig irrigation farm, Westh et al 732 



Hardwood timber lands, Wallace 733 



Forage crops, Voorhees 733 



Practical farming, AUerton 733 



Cyclopedia of A i aerican agriculture. Crops, Bailey et al 733 



Report of coast land experiments, Jenkins 733 



Peruvian alfalfa: A new long-season variety for the Southwest, Brand 733 



Alfalfa, "thegrass" in Ohio, Myers 734 



Barley crops of the United States, 1866-1906, Clark 734 



The culture and uses of brome grass, Oakley 734 



Harvesting and storing corn, Hartlev 734 



Corn crops of the United States, 1866-1906, Clark 734 



