CONTENTS. in 



I'ago. 



Cooperation of micro-organisms in decomposition of green manures, Heinze. 625 



The utilization of peat as a source of nitrogen for plant fooil, llaskins 625 



Nitrate deposits of southern California, Graeff 626 



A new nitrogenous fertilizer derived from the air, Maiziferes. 626 



The fertilizer value of phonolite meal on peat soils, von Feilitzen 626 



On vivianite as a fertilizer, Haglund 626 



Diatomaceous calcium phosphates in Senegal, Cayeux 626 



The use and abuse of lime in agriculture, Andrews 626 



The fertilizer action of salt in combination with ammonium sulphate, Schulze. . 626 



The function of manganese as a fertilizer, Beruardini 626 



Field experiments with fertilizers, De Jong 626 



Field trials of Swedish Moor Culture Society, 1909, Bauman and von Feilitzen. . 626 



Analyses of fertilizers, Kilgore et al 627 



The manufacture of fertilizers in Cairo, Parodi 627 



AGRICULTURAL BOTANY. 



[Work in plant physiology], McCallum 627 



The action of continued galvanic currents on germination, Micheels 627 



The germination of seeds of parasitic plants, Keinricher 62S 



The action of potassium salts on the formation of saccharose in seeds, DePlato. . 628 



On the circulation of water in plants, Leclerc du Sablon 628 



The effect of some toxic solutions on mitosis, Stockberger 628 



The effects of poisons on the respiration of plants, Palladin 629 



The short roots of Sempervivum and the resulting mycorrhiza, Zach 629 



Constancy of physiological characters in classification of bacteria, Harding 629 



Studies in pyrophilous fungi, II, Seaver and Clark 629 



Mycological studies on flax and hemp retting, Varga and Cs6kas 630 



A study of some changes occurring in prunes, Stoyko witch and Brocq-Rousseu . . 630 



Monascus purpureus in silage, Buchanan 630 



On the chemistry of the higher fungi. III, Fungus diastases, Zellncr 631 



FIELD CROPS. 



David Dickson's and James M. Smith's Farming, edited by Hunnicutt 631 



Dry farming in West Texas 631 



[Results of field crops' experiments at the Alaska Stations], Georgeson et al 631 



[The Woburn field experiments], Voelcker 632 



Report of cooperative fertilizer and variety tests, 1909, Larsen 633 



[Experiments with drought-resistant forage plants], Thornber 633 



[Experiments with sugar beets and cotton]. Clothier 634 



Report on oat and barley experiments, 1909, Greig 634 



Meadows and pastures. Hunt 634 



Cooperative experiments — grasses 634 



Canada bluegrass: Its culture and uses, Oakley 634 



Suggestions on corn breeding, Vanatter 634 



Pedigree seed corn, Beaven 635 



The judging of seed maize, Burtt-Davy 635 



July and August work in selecting seed corn, Graham 635 



Tenth annual report of the Indiana Corn Growers' Association 635 



( 'otton growing in German colonies, Schanz 635 



The culture of the cowpea, Kilgore et al 635 



[Analyses of some Helianthi] 636 



The manioc, Lisboa 636 



Ten years' experience with the Swedish Select oat, Carloton 636 



Manurial experiment with oats: Humansdorp district, Johuscn 637 



Potato experiments and studies at University Farm in 1909, Kohior 637 



Progress of the beet-sugar industry in the United States in 1909 637 



Sugar cane in Porto Rico, May 638 



Report on turnip manuring experiments, 1909, Greig 638 



Wheat in India; its production, varieties, and improvement, Howard 638 



Svalof Poodle wheat, Nilsson-Ehle 638 



Manuring v/heat in the Humansdorp district 638 



How to grow more and better wheat 639 



Four noxious weeds, Burtt-Davy 639 



