CONTENTS. m 



Nitrogen fixation and nutrition of Bacillus radicicola, Herke 733 



Cross inoculation of root tubercle bacteria on Leguminosse, Ewart and Thomson . 733 



The bacteria of Nebraska soil, Putnam 733 



The action of acids and acid salts on Aspergillus niger, Eaesel 734 



The resistance of Penicillium cru^taceum to toxic substances, Le Renard 734 



FIELD CROPS. 



The technique of field experiments, Mortensen 734 



Summary of [field crops experiments in Alaska], Georgeson 735 



Report of [field crops] work at the Fairbanks Station, Neal 735 



Report of [field crops] work at the Rampart Station, Gasser 735 



Dry farming in the arid Southwest, Clothier 735 



[Field crop experiments] 736 



[Field crop experiments], Taylor 736 



Report of the department of agriculture, Punjab, for 1911-12, Gibson et al 736 



Report on agricultural stations in Central Provinces and Berar, Flymen et al. . 736 



Agricultural surveys, Yamethin district, McKerral 736 



Concerning the Vermont hay crop, Plills, Jones, and Williamson 736 



Report of work on alfalfa at Holly Springs branch experiment station, Ames. . 736 



Cooperative manurial experiments on lucern, Reinecke 737 



Broom corn culture, McCall 737 



Methods of corn breeding, Hayes 737 



Maize experiments at the experimental farm Potchefstroom, Bell 737 



Manurial experiments on maize, 1911-12, Vipond 737 



Distance for planting maize, Burtt-Davy 738 



Experiments in com cultivation, Dammann 738 



A method of improving the quality of cotton seed, Mehta and Grokhale 738 



Cotton experiments in the Cape Province, Van Ryneveld 738 



The story of cotton. Brooks 738 



Inheritance of morphological characters of Hordeum distichum nutans, Fruwirth . 738 



Kafir as a grain crop, Ball and Rothgeb 738 



Report on oat experiments 738 



Spontaneous omission of the color factor in oats, Nilsson-Ehle 739 



Place-effect influence on seed potatoes, Stuart 739 



Cultural experiments with dried sugar beet seed in Hungary, .Taney '> 739 



Annual report of the bureau of sugar experiment stations, Easterby 739 



The sugar industry of Natal, Sawer 739 



Notes on the germination of tobacco seed, Goodspeed 739 



Biological point of view in the examination of seeds, Schaffnit 740 



Germinative energy of seeds based on the mean time of germination, D'Ippolito. 740 



Effect of hot water and mechanical treatment on germination. Dodge 740 



Seed analyses, Helyar 741 



Results of seed tests for 1912, Taylor 741 



Identification of Arjropyron repens, A. smithii, and A. tenerum, Sar^ds 741 



Concerning certain pasture weeds, Gilbert 741 



Moss as a pasture weed, Tracy 741 



The ensiUng of weeds, Washburn 741 



HOKTICULTURE. 



The relation of light to greenhouse culture. Stone 741 



[Horticultural investigations in Alaska], Georgeson et al 742 



Report, on vegetable and flower gardens in southeastern Alaska, Tracy 743 



Pop corn for the market. Hartley and Willier 743 



Pop com for the home. Hartley and Willier 743 



Cultural studies on the Montreal market muskmelon, Stuart 743 



Potato culture in West Virginia, Dacy 744 



Tomatoes for the canning factory, McCue and Pelton 744 



Exhibiting fruit and vegetables, Winslow 745 



[Fruit growing, cold storage, etc.]. Moody 745 



Variety adaptation, Thomber 745 



The rejuvenation of old orchards. Alderman 745 



Commercial fertilizers for strawberries. Chandler 745 



Lime cultivation in the West Indies, Watts etal 745 



Cacao: Manuring and shading 746 



