n CONTENTS. 



Page. 



Colorimetric determination of alcohols in the presence of ketones, Agulhon 716 



The detection of formic acid in rneat, Kapin 716 



The detection of formic acid in sirups, Kreis 717 



Biochemic reactions and the bacterial count of milk, Campbell 717 



Casein media adapted to the bacterial examination of milk, Ayers 718 



A proposed modification of the official method of determining humus, Smith. . 718 



Method for preparing neutral ammonium citrate solution, Patten and Marti . . 718 



Distillation and composition of turpentine oil from the chir resin, Singh 719 



Note on the clarification of Indian rosin, Singh 719 



French bibliography concerning sugar and the sugar industry, Soulier 719 



METEOROLOGY — WATER. 



Climatic areas of the United States as related to plant growth, Livingston 719 



Volcanic dust and other factors in production of climatic changes, Hiunphreys. 720 



Volcanoes and climate. Abbot and Fowle 720 



Do volcanic explosions affect our climate? Abbot 721 



Evaporation as influenced by the haze of 1912, Briggs and Belz 721 



Bulletin of the Moimt Weather Observatory 721 



Monthly Weather Review 721 



Meteorological reports, Georgeson 722 



Meteorological obserA^ations at Massachusetts Station, Ostrander and Dexter. . 722 



Meteorological record 722 



Ohio weather in 1911, Smith and Patton 722 



Water resources of coastal plain of North Carolina, Stephenson and Johnson. . . 722 



Water 722 



Farm water supplies, with special reference to dairy farms, Prescott 722 



SOILS — FERTILIZERS. 



Amino acids and acid amids as sources of ammonia in soils, Jodidi et al 723 



On the probable value of Bacillus coli of "slime " formation in soils, ReAds 723 



Relation of nonavailable water of soil to hygroscopic coefficient, Alway 724 



Investigations on moisture and soil types in Sulphur Spring Valley, Clothier. - 725 



[Effect of ashes from Mt. Katmai on Alaskan soil], Georgeson 726 



Soil fertility, Neal 726 



La Salle County soils, Hopkins et al 727 



The selection of soils in the Tropics, Wohltmann 727 



Malayan soils, Barrowcliff 727 



Analyses of soils, Aston. . •.■.---; .-■■-. 728 



A report of progress in soil fertility investigations, Hutton 728 



Increasing crop yields in Ohio 728 



Alpine fertilizer experiments in Carinthia, 1910-1912, Svoboda 728 



Studies in Japanese agriculture. — I, Fertilizers, Struthers 729 



Importation of fertilizers, Aston 729 



Phosphates: Their importance to New Zealand farmers, Aston 730 



Progress in the fixation of atmospheric nitrogen, Pinkerton 730 



The partial sterilization of the soil by means of caustic lime, Hutchinson 730 



The lime-magnesia ratio in agriculture, Larue 730 



Tests of radio-active substances, Berthault, Bretignifere, and Berthault 731 



Night soil 731 



The use of commercial fertilizers in pond culture, Foitik 731 



Pond fertilizing experiments, Neresheimer 731 



Analyses of commercial fertilizers, Stackhouse, Brackett et al 731 



Commercial fertilizers. Hills et al 731 



Commercial fertilizers: Inspection, 1912, Hite and Kunst 731 



AGRICULTURAL BOTANY. 



Studies on temperatures in relation to seeds and seedUngs of wheat, Miiller 731 



On various methods for determining osmotic pressures, Halket 731 



The nutrition of some of the higher plants in sterile cultures, Shulov 732 



The assimilation of nutriment by yeast cells, Rubner 732 



Penetration of different forms of nitrogen into plants; adsorption, Chouchak. . . 732 



The absorption of different forms of nitrogen by plants, Chouchak 732 



