1917] CONTENTS. HI 



Page. 



Value of the calcium phosphates in the vicinity of Monterey [Mexico], Flores. 821 



Phosphates and phosphatic marls, Heimburger 821 



Limestone marls and shells, Heimburger 821 



Preliminary report on the marls and limestones of Mississippi, Logan 821 



Agricultural lime analyses, Patterson and McDonnell 821 



Cost of crushing limestone on the farm, Herron 821 



Cost of ground limestone, Montgomery 822 



Special fertilizer analyses, 1916, Rose and Wilson 822 



Official fertilizer analyses, 1916, Rose and Wilson 822 



Inspection of commercial fertilizers, 1916, Haskins, et al 822 



AGRICULTURAL BOTANY. 



The physiology of cell division, Haberlandt 822 



On the liquid pressure theory of the circulation of sap in plants, Baker 822 



Cryoscopic constants of expressed vegetable saps in deserts, Harris et al 823 



Depression of freezing^ point in triturated tissues, Hibbard and Harrington 823 



Studies of protoplasmic permeability, I, Delf 823 



Further studies on foliar transpiring power in plants, Bakke and Livingston . . 824 



An index to represent both moisture and temperature conditions, Li\dngston. . 824 



The respiration of partly dried plant organs. Smith 824 



Physiological studies on the maturation of seeds, Ivanov 824 



The formation of auximones from nitrogenous organic substances, Bottomley . . 825 



Location of spore masses in Uredinese and value in classification, Grebelsky.. 825 



Succession and ecology of epiphytic bryophytes in Denmark, Olsen 825 



Inheritance of eye pattern in beans and its relation to type of vine. Surface. . . 826 



Factors influencing the weight of the bean seed ,11, Harris 826 



Selective partial sterility in double-throwing stock and petunia, Saunders 826 



Application of the pure- line concept to bacteria, Cole and Wright 826 



Nitrocultures and their commercial application, Harrison 827 



FIELD CROPS. 



Contributions to agronomic terminology, II-IV, Ball and Piper 827 



Relative precision of formulas for calculating normal plat yields, Stockberger. . 827 



The root systems of agricultural plants. Miller 827 



[Work with field crops in 1916] 827 



Experiments with farm crops, App 829 



[Field crops work on county farms in Ohio in 1915], Montgomery et al 829 



Report of the Bugyi experimental plat for the year 1914-15, Thompstone 830 



Experiments with spring cereals at Moro, Ore^., Stephens 830 



Seeding winter grains in furrows to prevent winterkilUng, Salmon 831 



The effect of clipping on the root development of alfalfa, McKee 832 



Com. — Varieties and Limiting factor tests, season 1916, Hutchinson 832 



Com, yields per acre and prices, by States, 60 years, 1866-1915 832 



Cotton. — Varieties and Limiting factor tests, 1916, Hutchinson 832 



Report on the manuring of mangels. Porter and McWilUam 833 



A classification of the varieties of cultivated oats, Etheridge 833 



Studies on oat breeding, III, Surface 834 



Irish potatoes in Florida, Spencer 835 



Yield and nitrogen of soy beans as affected by inoculation, Lipman and Blair. . 835 



Composition of sugar beets at various stages of the season, Zitkowski et al 835 



Sugar-cane culture for sirup production in the United States, Yoder 835 



Effect of rate and date of sowing on yield of winter wheat, Jardine 835 



Wheat, yields per acre and prices, by States, 50 years, 1866-1915 836 



Table for converting weights of separations into percentages, Boemer 836 



Report of the department of seed analysis, Helyar 836 



An alien weed 836 



HORTICULTURE. 



[Report of horticultural investigations], Blake and Connors 837 



[Report of heredity investigations], Halsted 838 



Inheritance studies in garden plants, Owen 838 



Truck crops. Green and Riggs 839 



A chemical study of the asparagus plant, Morse 839 



Connecticut Valley onion supply and distribution, Cance et al 840 



