CONTENTS. HI 



Page. 



Some granite soils of New South Wakw, Jensen 522 



Maintaining fertility in Asia, King 522 



Maintaining soil fertility in Japan, King 522 



Dry farming in China, King 523 



The importance of suitable combinations of fertilizers for plants, Lemmermann. 523 



Work of the chemical laboratory, Welbel 523 



Short sui>plies of stable manure 524 



Mixing superphosphate with farmyard manure 524 



Fertilizer experiments with phosphates, Klebahn 524 



The world's production of ])hosphatic fertilizers, Lavollee 524 



Two little known fertilizers, Ledoux 525 



Basic slag and potash for chalk land, Hughes 525 



What is kainit? Krische 525 



The position of nitrate of soda 525 



Experiments on the action of nitrite nitrogen in various fertilizers, Gerlach 525 



Oxidation of atmospheric nitrogen, Haber and Koenig 525 



Reference list on the electric fixation of atmospheric nitrogen and the use of 



calcium cyanamid and calcium nitrate on soils, Stuntz 526 



The specific gravity of the more common commercial fertilizers, Stutzer 526 



Commercial fertilizers, Burd 526 



Analyses of commercial fertilizers, Hartwell, Morgan, and Whipple 526 



Analyses of commercial fertilizers, Ilardin et al 526 



The sale of fertilizers and farm foods, Juritz 526 



AGRICULTURAL BOTANY. 



Some conditions which influence germination and fertility of pollen, Sandsten. 526 



Handbook of flower pollination, Knuth, trans, by Davis 527 



Influence of food supply on variation. Love 528 



Clonal or bud variation, Webber 528 



Variation and correlation in the flowers of Lagcrstrocmia indira, Harris 528 



Correlation between length of flowering stalk and number of flowers, Harris. . . 528 



Apogamy in the maize plant, Collins 528 



The botany and origin of American upland cotton, Fletcher 528 



Some cytological aspects of cotton breeding. Balls 529 



Seeds and plants imported from January 1 to March 31, 1909. — Inventory 18. . . 529 



Vitality of pine seeds and the delayed opening of cones, Coker 529 



The effect of different solar radiations on plants, Flammarion 529 



The influence of shade upon the comjiosition of plants, Thatcher 530 



Protein metabolism and its relation to physiological processes, Ehrlich 530 



A comparative study on some vegetable diastases, Gcrber 530 



Starch formation from sorbite by the Rosacea', Treboux 530 



Sach's method as a measure of carbon dioxid assimilation in leaves, Thoday . . 530 



The phosphorus metabolism in plants, Staniszkis 531 



On the lack of antagonism between certain salts, Lipman 531 



Cultural studies of species of Penicillium, Thom 531 



Suggestion for a new bacteriological nomenclature, Jensen 532 



FIELD CROPS. 



Results obtained in 1909 on the Dominion Experimental Farms, Saunders 532 



Report on oat and barley experiments, 1908, Greig 532 



Annual rejwrt of the Burdwan Agricultural Station for the year 1907-8, Smith. 532 



Annual report of the Cuttack Agricultural Station for the year 1907-8, Smith. . 532 



Annual rej)ort of the Dumraon Agricultural Station for the year 1907-8, Smith. 533 



Report of Sibpur Expeiimental Farm and agricultural classes for 1907-8, Basu. 533 



Planting experiments at the agricultural experiment station, Zimbiti, Johnson. 533 



Culture and composition of Arachis hypogea and Voandzeia subterrmica, Boname. 534 



Prickly comfrey as a forage crop, Vinall 534 



Corn, Rolfs ^. 534 



Testing seed corn by specific gravity, Dunn 534 



Report of work in corn pollination, Fisher 535 



Cultivation of jieanuts, Oses 535 



Potato culture on irrigated farms of the West, Grubb 535 



Anatomical structure of the sugar beet in its relation to breeding, Moller 535 



Growing sugar-beet seed in South Dakota, Shepard 535 



