n CONTENTS. 



METEOROLOGY. 



Page. 



Work in agricultural meteorology 207 



Importance of agricultural meteorology from international point of -s-iew, Azzi 207 



Influence of meteorological factors on yield of grain in Bologne, Azzi 208 



Meteorological record for 1912, Withycombe 208 



Climate and meteorology [of Canada], Stupart 208 



The temperature of western and equatorial Africa, Chudeau 208 



Atmospheric pressure in western and equatorial Africa, Chudeau .^ 208 



The distribution of rainfall in western Africa, Hubert 208 



Electric niagaras, Beckerich 208 



A new chemical hygrometer, Rideal and Hannah : 208 



Bacteria in city, countn,', and indoor air, Browne 208 



SOILS — FERTILIZERS. 



Soil reconnoissance in Alaska, Bennett and Rice 209 



Soil 8ur\'ey of Bullock County, Alabama, Smith and Wilkinson 210 



Soil survey of Escambia County, Alabama, Burke et al 210 



Soil survey of the Fort Lauderdale area, Florida, Baldwin and Hawker 210 



Soil survey of Hernando County, Florida, Jones and Morrison 211 



Soil survey of the Indian River areaj Florida, Mooney and Baldwin 211 



Soil survey of Terrell County, Georgia, Long and Baldwin 211 



Soil survey of Wilkinson County, Mississippi, Tharp and Spann 211 



Soil survey of Douglas County, Nebraska, Meyer et al 211 



Soil survey of Saunders County, Nebraska, Meyer et al 212 



Soil survey of Rowan County, North Carolina, Hardison and Jumey 212 



Soil survey of Paulding County, Ohio, Lewis and Shiffler 212 



Soil survey of Muskogee County, Oklahoma, Jones et al 213 



Soil survey of Jackson County, Tennessee, Rogers and Derden 213 



Soil survey of Jefferson County, Texas, Carter, jr., et al 213 



Reconnoissance soil survev of south-central Texas, Kocher et al 213 



Soil survey of the Cache Valley area, Utah, Nelson and Eckmaun 214 



Soil survey of Stevens County, Washington, Van Duyne and Ashton 214 



Soil survey of Buffalo County, Wisconsin, Geib et al 215 



Productivity relations in different layers of a soil profile, von Nostitz 215 



Effect of temperature on movement of water in soils, Buoyoucos 215 



Effect of temperature on some physical processes in soils, Buoyoucos 216 



Soil temperatures as influenced by cultural methods, Oskamp 217 



The biochemical reduction processes in the soil, von Wolzogen Kuhr, jr 217 



Separation of soil protozoa, Kopeloff, Lint, and Coleman 217 



A review of work on soil inoculation, Golding and Hutchinson 218 



The nitrifying powers of soils as indices to their fertility, Lipman 218 



Free nitrogen and the higher plants, MoUiard 218 



Bacterial toxins in soils, Greig-Smith 218 



A systematic scheme for experimental work with fertilizers, Stuart 218 



Availability of nitrogenous fertilizers in California, Lipman and Burgess 219 



Calcium cyanamid as a retarder of denitrification, Lumia 219 



Nitrate deposits in southern Idaho and eastern Oregon, Mansfield 220 



Preparation of Viatka phosphate. Kochetkov 220 



Speed of solution of natural phosphates, Kazakov 220 



Mechanical enrichment of natural phosphates in calcium phosphates. Kazakov 220 



Effects of caustic lime and chalk on soil fertility, Hutchinson and MacLennan. . 221 



Lime and the American vine, De Angelis d'Ossat 221 



The gypsum industry in 1914, Loughlin 221 



Relation of sulphur compounds to plant nutrition, Hart and Tottinghara 221 



Report upon sewage sludge as a manure, Wilson 222 



Analyses of rocks and minerals by U. S. Geological Survey, 1880-1914, Clarke. 222 



AGRICULTURAL BOTANY. 



ooo 



Senile changes in leaves of Vitis vulpina and certain other plants, Benedict. . 



Radium and plant growth 223 



Freezing and frost killing of plants, Plahn-Appiani 223 



Light and growth, I, Blaauw 223 



Effects of photodynamically active coloring matters, Gicklhorn 223 



