G0NTBNT8. HI 



Page. 



[Experiments with different phosphates], Prianishnikov et al 627 



Field investigations for potash in America, Gale 627 



Alunite as a source of potash, Waggaman 628 



The extraction of potash from silicate rocks, Ross .^ 628 



Action of magnesium [and manganese] fertilizers and boric acid, Andouard — 628 



Studies on catalytic fertilizers, Boullanger 628 



The stimulating action of manganese, Quante 629 



Study of sulphur as a fertilizer, Giannetto 629 



Utilizing sludge in Bradford, England 629 



City street sweepings as a fertilizer, Skinner and Beattie 629 



Review of progress m the fertilizer industry, 1909-1911, Wichern 629 



[Fertilizers] 629 



AGRICULTURAL BOTANY. 



Alterations in the velocity of growth of certain seedlings, Congdon 630 



Dry matter, nitrogen, and mineral content of trees, Ramann and Bauer 630 



The mineral content of tree foliage as affected by day and night, Ramann 630 



Changes in the osmotic pressure of the sap of the leaves, Dixon and Atkins. ... 631 



Formation of mechanical tissue as influenced by tension and contact. Brush.. . 631 



The admission of anilin colors into living plant cells, Kiister 632 



Respiration pigments in oxidation processes of plants, Palladin 632 



Distribution of pigment in the seeci coat of the cewpea, Mann 632 



The distribution of oxidases in plants and their role, Keeble and Armstrong. . . 632 



The occurrence of urease in higher plants, Zempl6n 633 



The action of bisulphid of carbon on the germination of seeds, Finzi 633 



Nutritive changes m sprouting pumpkin seeds, Periturin 633 



The formation of asparagin in sprouting vetches, Ritman 634 



Protein formation by sterile cultures of higher plants in darkness, Shulov 634 



The utilization of ammoniacal nitrogen by corn plantlets, Kalinkin. 634 



Utilization of ammonium salts by green plants, Pantanelli and Severini 634 



The presence of nitrifying bacteria in ordinary sand cultures, Shulov 634 



On the presence of glutamic acid in the tomato, Monti 634 



On anthocyanin-forming bodies, Politis 634 



On the presence of free hydrocyanic acid in plants: II, Ravenna and Babini. . 635 



The selective power of plants for dextrose and le\T.ilose, Lindet. 635 



Potassium in relation to carbohydrate formation and decomposition, Stoklasa. . 635 



The action of sulphurous acid on pollen, Sabachnikoff 635 



Injury to plants by vapors and dust from tarred roads, Gatin 635 



Influence of starvation of the ascendants upon the descendants : I, Harris 636 



Chromosome numbers in Triticum and J^gilops, Bally 636 



Soil moisture in the cotton wood dune association of Lake Michigan, Fuller 636 



Rates of evaporation in certain associations in Illinois, Gleason and Gates 636 



Seeds and plants imported from July 1 to September 30, 1911 637 



FIELD CROPS. 



Results obtained in 1911 on the Dominion experimental farms, Saunders 637 



Report on experiments, botanical station, Salisbury, 1910-11, Hampton 637 



Report of experimental work of the Bankipore Agi-icultuial Station, 1910-11... 637 



Annual report of the Cuttack Experimental Farm, 1910-11, Dobbs 637 



Annual report of the agricultural stations in eastern Bengal and Assam, 1911 .. 638 



Report of demonstration farm, Kalimpong, for the year 1910-11, Goodwin 638 



Field crops at the Taganrog Experiment Field during 1899-1908, Olenin 638 



Moor culture handbook, Bersch 638 



Manuring of meadow land 638 



Manuring of poor hill pastures 638 



The grain crops, Hoffmann ._ 638 



Rate of sowing summer cereals, Danilenko 638 



Grain sowing in wide rows, Danilenko 639 



The composition of Cape barley, Juritz 639 



The dissemination of brewing barley in Germany, Schulze 639 



Bogoroditsch Experiment Field, Pulman 639 



The manuring of carrots, Stokes. . . _. 639 



Manm'ial experiments on maize, Vipond 639 



Corn groAving in the East, Hunt _ _. 639 



How to grow 100 bushels of corn per acre on worn soils. Smith 640 



