CONTENTS. in 



Page. 



Azotogen, nit'-agin, or inoculated soil, von Feilitzen 521 



Studies of the fixation of nitrogen in certain Colorado soils, Sackett 521 



A study of the assimilation of the mineral matter of the soil by plants 521 



Fertility and fertilizer hints, Halligan 521 



How the scientific farmer fertilizes his soil, Beal 521 



Water and fertilizing, Gerlach 521 



The loss of nitrogen from thin layers of manure on the soil, Jannes 522 



Action of mineral fertilizers with and without stable manure, Einecke 522 



Conducting an experiment farm with green manures and fertilizers, von Bleze. . 522 



Fertilizers, 1911, Jenkins and Street 522 



Commercial fertilizers, Burd 524 



[Imports of fertilizer raw materials] 524 



The Indian saltpeter industry. Leather and Mukerji 524 



Ammonia evaporation and transformation in soils, von Wlodeck 525 



Lime nitrogen and lime niter as nitrogenous fertilizers, Heinze 525 



Hygroscopicity of certain new nitrogenous fertilizers, von Feilitzen and Lugner. 525 



[Experiments with potash fertilizers in Pas-de-Calais] Malpeaux 525 



Potash lime, von Seelhorst 526 



Phonolith as a fertilizer, Skinner 526 



Aluuite, a newly discovered deposit near Marysvale, Utah, Butler and Gale 526 



The potash search in America, Mitchell 526 



The German Potash Syndicate, Albert 526 



Effect of phosphorus maniu-ing on amount in tmnip roots, Hartwell and Hammett 527 



Influence of calcium carbonate on the action of phosphates, Prianishnikov 527 



The action of gypsum on nitrification, Dezani 527 



Peat moss litter manure 527 



The agricultural utilization of vinasse, Pelissier and Le Couppey de la Forest. . . 528 



Studies on the waste waters of starch factories, Girard 528 



Cassia Mrsuta as a green dressing, Anstead 528 



AGRICULTURAL BOTANY. 



Plant life and evolution, Campbell 528 



The variegation of leaves and its transmission through grafts, Griffon 529 



A botanical study of Solaman tuberosum and of related wild species, Berthault 529 



On the parentage of a wheat, Kajanus 529 



Concerning a new species of shepherd's purse, Becquerel and Buchet 529 



Anatomical researches on cactus, Bedelian 529 



The water relations of desert plants, MacDougal 530 



Role of individual nutritive elements in the activity of the plant, Doiarenko. . 530 



The role of silica in the nutrition of plants, Sprecher 530 



The oxygen minimum and the germination of Xanthium seeds, Shull 531 



The origin of osmotic effects, IV, Armstrong 531 



Light intensity and transpiration, Livingston 532 



The microscopic analysis of smoke-injured plants, Soraner 532 



FIELD CROPS. 



Seedtime and harvest: Cereals, flax, cotton, and tobacco. Covert 532 



Preparation of new land for crops, Keyser 533 



[Moisture content of fallowed land at Poltava] Tretyakov 533 



Experiments in the improvement of old pasture, 1908-1910, Bruce 533 



Report on experiments on improvement of poor permanent pasture, Hen- 



drick 533 



The improvement of poor permanent pasture by manuring, Wright 533 



Experiment on improvement of poor permanent pasture by manuring, 



Wright 534 



[Fertilizer and variety tests with field crops] Parsons 534 



[Experiments with field crops, Barbados, 1910-11] Bovell 534 



[Experiments with field crops] Watts et al 534 



Reports on botanic station and experiment plats, Montserrat, 1910-11, Watts.. 534 



Rotation experiments in Northumberland and Durham, Gilchrist 534 



How to raise the yields of summer cereals in Novo- Russia, Mankovski 535 



The roots of some North African desert grasses. Price 535 



An experiment on lucern in Scotland and the effects of inoculation, Wright. . . 535 



Variety test of com and cotton, 1911, Calvin 535 



An improved method of artificial pollination in corn, Collins and Kempton . . . 535 



