n CONTENTS. 



Page. 



Methods of analysis adopted by the Texas Cotton Seed Crushers' Association. . 115 



Method for determining cotton-seed hulls in cotton-seed meal, Kole 115 



The determination of formaldehyde, Rimini and Jona 115 



Extraction of oil bv aspiration, Chapelle and Ruby 115 



Effect of kiln drying at 145° F. on the hop, Tartar and Pilkington 115 



Expressed and distilled West Indian lime oils, Tempany and Greenhalgh 116 



Investigations on extraction of lime juice by milling, Tempany and Weil 117 



Experiments in lime juice concentration, Macint>Te 117 



Index to Zeitschriftfur Analytische Chemie, Fresenius and Czapski 117 



METEOROLOGY — WATER. 



Temperature coefficients in plant geography and climatology, Livingston 117 



British rainfall, 1912, Mill and Salter 118 



Evaporation from a plain water surface, Leather 118 



Dew ponds and mist ponds, Martin 118 



Artesian water supply of eastern and southern Florida, Sellards and Gunter 119 



Report of the interstate conference on artesian water, Sydney, 1912 119 



SOILS — FERTILIZERS. 



Soil, soil investigation, and soil valuation, Pilz 119 



Chemistry, physics, biology, and cultivation of the soil, Hoffmann 119 



Contribution to the study of the soils of the Republic of Argentina, Lavenir. . . 119 



Soil culture in Iceland, Gruner _ -.----, : 119 



The results of mixed cultivation with loam in Finland, Rindell 119 



Moor culture, Kostlan - • - • : 120 



The shrinking of swamp soils resulting from drainage and cultivation, Tacke. . 120 



The influence of plant roots on the structure of the soil, Berkmann 120 



The influence of subsoil loosening on soil yield, Augustin 121 



The minimum water capacity of soils and its cause, Moskovic 121 



The reaction of aqueous extracts of soils, Saidel 121 



Alkaline reactions caused by acids and their acid salts in soils, Masoni 122 



The chemistry of humus, with special reference to soil and plant, Jodidi 122 



The nature of humus and its relation to plant life, Jodidi 122 



The influence of plant covering on soil temperatures, Frodin 122 



The use of dialysis and oxidizing power in judging soils, Konig et al 123 



Dialysis and power of oxidation in the judgment of soils, Konig 124 



The soil solution and the mineral constituents of the soil, Hall et al 124 



Ten years' experiments on the action of fallow, manure, and clover, Koch 124 



Soil hygiene and green manuring, Arndt 125 



Report of the agriculturLst, Gaskill 125 



The management of solid and liquid manures, Ringehnann 125 



Enrichment of farmyard manure by cake feeding. Hall 125 



Tests of nitrogen on sandy and upland moor soils, Tacke and Briine 125 



The lime-nitrogen industry, Siebner 125 



Nitrogenous fertilizers obtainable in the United States, Turrentine 126 



Replacement of potash in feldspathic rocks by fertilizers, Andre 126 



Investigations on the composition of Thomas slag, Popp 126 



Steamed and unsteamed bone superphosphate and Thomas slag, Schulze 126 



The use of raw phosphate and siliceous lime as fertilizers, Pfeiffer 127 



Agricultural value of carbonate of lime fi'om causticizing plant, Hendrick 127 



The action of quicklime on thesoil, Hutchinson 127 



Mineral and nitrogen contents of pine needles and straw, Bauer 127 



Tobacco stalks as a fertilizer, Haskins 127 



Chemical industries of Belgium, Netherlands, Norway, and Sweden, Norton. . 127 



Report of the fertilizer section, Haskins 128 



AGRICULTURAL BOTANY. 



The action of certain nutrient and nonnutrient bases on plant growth, McCool. . 128 



Application of fertilizers to plants through their leaves, Larue 128 



Saponins as a source of carbohydrates for vegetation, Solacolu 129 



Distribution of asparagin, glutamin, arginin, and allantoin in plants, Stieger. . 129 



Formation of anthocyan pigments of plants, VI, Keeble, Annstrong, and Jones. 129 



Synthesis by sunlight in relationship to the origin of life, Moore and Webster. . 129 



Hemicelluloses in roots, rhizomes, and tubers, Stieger 130 



