n CONTENTS. [Vol. 38 



Page. 



Distribution of fatty acids in milk fat of cow and sheep, Crowther and Hynd 12 



Modification of Price method for separation of coal-tar colors, Ingersoll 12 



Drying fruits and vegetables in the home 12 



Home canning by the one-period cold-pack method, Benson 12 



Home canning of fruits and vegetables, Creswell and Powell 12 



The sanitary control of tomato-canning factories, Howard and Stephenson 13 



Methods of preparing salmon, Cobb 13 



Home maniifacture of furs and skins, Famham 13 



METEOROLOGY. 



Climatological data for the United States by sections 13 



Meteorological records for 1915 13 



[Meteorology for 1914], Edmiston 13 



Forest climate of Switzerland 14 



Observations at the Stavropol meteorological station, Cherkashenko 14 



Desiccation of Africa, Harger 15 



The modification of South African rainfall, Sim 15 



A correlation between magnetic storms and rain, Arctowski 15 



Modern methods of protection against lightning, Covert 15 



Effect of meteorological factors on germination capacity of seedw, Wallden .... 15 



Influence of meteorological factors on development of millets, Siriusov 15 



SOILS^ — FERTILIZERS. 



Further studies on freezing point lowering of soils, Bouyoucos and McCool 16 



Method of sterilizing and chloroforming used in studying chernozem, Skalskij ... 17 



Formation of ' ' black alkali " (sodium carbonate) in calcareous soils, Breazeale. . . 18 



The soil survey of Iowa, Stevenson, Brown, and Howe 18 



Characteristics of coli-like microorganisms from soil, Johnson and Levine 19 



General fertilizer experiments, Noll 19 



Fermentation of manure treated with sulphur, Ames and Richmond 19 



Green manuring, Bernard 20 



Soil acidity: The relation of green manures to its development. White 20 



Continued studies in acid soil from the ammonium sulphate plats. White 20 



Influence of fineness of division of limestone on crop yield, Kopeloff 21 



Limestone resources of Pennsylvania, Frear and Holben 22 



Manufacturing wastes as sources of farm lime. Given 22 



Effect of three annual applications of boron on wheat. Cook and Wilson 22 



Domestic manures and related substances Thomas 23 



AGRICULTURAL BOTANY. 



Plant succession on abandoned roads in eastern Colorado, Shantz 23 



Cold resistance in spineless cacti, Uphof 23 



Some studies on the germination of the seed of Oryza sativa, Nagai 24 



Permeability of certain plant membranes to water, Denny 25 



Temperature coefficient of permeability, Osterhout 25 



A method for producing conductivity water suitable for experiments, Harvey. 26 



Saccharose in beets: Its formation and distribution, Colin 26 



Humification of compounds entering into the composition of plants, Trusov 26 



Nitrogen-assimilating organisms in manure, Fulmer and Fred 27 



The relation of green manures to nitrogen fixation, Fulmer 27 



Peculiar effects of barium, strontium, and cerium on Spirogyra, Chien 27 



Certain effects under irrigation of copper compounds upon crops, Forbes 28 



Injury^ to vegetation near ironworks at Terni, Italy, Ampola and Vivenza 28 



Some inter- and back-crossea of Fj (Enothera hybrids, Davis 28 



A correlation between endosperm color and albinism in maize, Kempton 28 



Observations on inheritance of anthocyan pigment in paddy varieties, Hector. 29 



Bilateral asymmetry and fertility and fecundity in unilocular fruit, Harris 29 



Applicability of Pearson's biserial r to asymmetry and fertility, Harris 29 



Relationship between number of ovules and fertility in Phaseolus, Harris.. 29 



