II CONTENTS. [Vol. 35 



Page. 



Muscadine grape sirup, Bearing 807 



Canning without sugar, Caldwell 807 



The technology of sugar, Mcintosh 807 



METEOROLOGY. 



Weather forecasting in the United States 808 



Principles of study of the weather, Lfuboslavskii 808 



Tables for computing the time of moonrise and moonset, Kimball 808 



Fall frosts 808 



Climatological data for the United States by sections 809 



[The climate of Pavlovsk], Shipchinskii (Shipchinski) 809 



SOILS — FERTILIZERS. 



Loess soils of Nebraska portion of transition region. III, Alway and Isham 809 



Loess soils of Nebraska portion of transition region, IV, Alway and Host 810 



Soil survey of Laurens County, Georgia, Sweet et al 811 



Analyses of soil types of Troup Coiinty, Worsham, jr., et al 811 



Soil survey of De Kalb County, Missouri, Krusekopf, Doneghue, and McCooL. 811 



Soil survey of Wayne County, North Carohna, Derrick et al 811 



Classification of soils with reference to cUmate and geology, Lang 812 



Use of moisture equivalent for the hygroscopic coefficient, Alway and Russel. . 812 



Soil tank investigations, ColUson 812 



Water table variations, causes and effects, Ballantyne 813 



Relation between absorption and coagulation in soil, De Dominicis 813 



Soil colloids, Rohland 813 



Bacteriological studies of a soil, Gainey and Gibbs 813 



The nutrition of soil bacteria, Allen 814 



Influence of barnyard manure and water on bacteria. Greaves and Carter 814 



The value of manure as compared with chemical fertilizers, Thome 815 



The decomposition of the organic matter of kelp in the soil, Christie 815 



Solvent action of ammonium salts on phosphorites in sand cultures, Chirikov. . 816 



Relation of calciiun carbonate to soil phosphates and acid phosphate. Burgess. 816 



Influence of lime on yield and nitrogen content of com, Blair and McLean 816 



Effect on plant growth of sodium salts in the soil, Headley et al 816 



Toxic action of soluble aluminum salts on the growth of rice, Miyake 817 



The agricultural value of greensand marl, Blair 817 



The utilization of molasses as a manure, De Waal 817 



AGRICULTURAL BOTANY. 



Hybrids of the genus Epilobium, Holden 818 



Genetic behavior of Primula keivensis and its allies, Pellew and Durham 818 



Mendelian inheritance in varietal crosses of Bryonia dioica, Jones and Rayner. . 819 



Studies on size inheritance in Nicotiana, East 819 



Some notes on the Linaceae. The cross pollination of flax. Eyre and Smith 819 



Experiments with flax at the John Innes Horticultural Institution, Bateson. . . 819 



The ecological history of prairie plants, Shimek 820 



On the behavior of an excised branch of the Sahuaro, Pool 820 



Association and possible identity of hormones in Bryophyllum calydnum, Loeb . . 820 



Do fungi live and produce mycelium in the soil? Waksman 820 



The red color of the mesocarp of seeded fruits in the persimmon, Lloyd 820 



The theories of photosynthesis in the light of some new facts, Spoehr 821 



Studying respiration by detection of minute quantities of carbon dioxid, Haas. . 821 



The retarding effect of carbon dioxid on respiration, Kidd 821 



Osmotic pressiu-e in plants, VI, Dixon and Atkins 822 



Imbibitional swelling of plants and colloidal mixtures, MacDougal 822 



Penetration of balanced solutions and the theory of antagonism, Osterhout 823 



Antagonism and Weber's law, Osterhout 823 



FIELD CROPS. 



Transpiration as a factor in crop production, Kiesselbach 823 



t Report on the progress of farm crops investigations] 825 



•"arming practice in the sand hills section of Nebraska, Cowan 827 



The work of the San Antonio experiment farm in 1915, Hastings 827 



