II CONTENTS. 



Page. 



Test? with methods of fat estimation in buffalo's milk, Baintner and Irk 612 



A comparative test between Gerber's and Funke's catalase testers, Hesse 612 



Improvement of the Wiley method for melting points of fat^s, Steenbock 612 



About honey and judging of honey : 612 



Identification and determination of the protein substance in honey, Moreau. . . 612 



In regard to estimatimg the shell content of cocoa, Filsinger and Bptticher 612 



The significance of the acidity in judging foods and condiments, Lbock 612 



The iodometric titration of acids and Kjeldahl's nitrogen estimation, Koefoed . . 612 



Determination of nitrates by a sulphosalicylic acid reaction, Caron and Raquet . 613 



Bacteriological method for available organic nitrogen, McCandlessand Atkinson . 613 



The determination of the amid nitrogen in proteins, Denis 613 



A colorimetric method for determining phosphoric acid, Passerini 614 



In regard to the determination of phosphorus in milk, Fleurent and Levi 614 



Electrolysis of humus solutions. — Method for estimation of humus. Rather. . . . 614 



Detection of ethyl and methyl alcohol and formic acid, Bacon 614 



In regard to Halphen's reaction, Rosenthaler 615 



The determination of arsenic in insecticides, Holland 615 



Detection of dioxydiamidoarsenobenzol in forensic cases, Gaebel 616 



[Miscellaneous analyses], Ladd 616 



The problem of potato desiccation and its accomplishment by cooperation .... 616 



Crop plants for paper making. Brand 617 



METEOROLOGY — WATER. 



Practical meteorology, Ricart y Giralt 617 



Meteorology, Kleinschmidt 617 



Agricultural meteorology 617 



[Meteorological observations], Ladd 617 



On the theory of precipitation, Laska 617 



On the electricity of rain and its origin in thimderstorms, Simpson 617 



The influence of climatic factors on plant growth and yield, Vageler 617 



Protection of crops against the weather, Berent 617 



Field ventilation, a new method of preservation against frosts, Chavemac 618 



The constitution of water, Duclaux 618 



Progress in the chemistry of water, Blacher 618 



The chemical composition and biological properties of water, Konig et al. , 618 



Ground water level and cultivation, Ringelmann 618 



Wells, Ringelmann 618 



Surface water supply of the lower Mississippi Basin, 1909, Freeman and Bolster. 618 



Surface water supply of the western Gulf of Mexico, 1909, Freeman and Bolster. . 618 



Geology and underground waters of northeastern Texas, Gordon 618 



Ground water in Juab, Millard, and Iron Counties, Utah, Meinzer 618 



Quality of the water supplies of Kansas, Parker • 619 



Stream pollution by mine waters in southeastern Kansas, Bailey 619 



Modern methods of water purification, Don and Chisholm 619 



Denitrifying bacteria of percolating beds, Lemoigne 619 



The purification of sewage by the soil and by bacterial beds, Miintz and Laine. . 619 



The agricultiKal use of sewage, Miintz and Laine 619 



Sewage purification and utilization in agriculture, Miintz and Laine 620 



SOILS — FERTILIZERS . 



Studies on soil physics, Green and Ampt 620 



Determination of the absorptive capacity of soils by the Knop method, Egorov. 620 



The moisture of typical semiarid and alkali soils, Chaianov 621 



Carbon dioxid in ground air, Joukow 621 



On carbon dioxid in groimd air, Suprunenko 621 



The production of plant food in the soil, Russell 621 



Experiments on ammonia and nitrate formation in soils, II, Lipman et al 622 



The chemical nature of the organic nitrogen in the soil, Jodidi 622 



The chemical nature of the organic nitrogen in the soil, Jodidi 623 



Organic nitrogenous compounds in peat soils, II, Robinson 623 



Biochemical relations of the phosphate ion in the soil, Stoklasa .-. . 624 



Phosphoric acid in relation to Australian soils and vegetation, Cherry 625 



Soils of the eastern United States and their use, VIII-XVIII. Bonstecl 625 



[Biological survey at McLeod, N. Dak.], Bell 625 



Soil analysis, Ladd 625 



Contribution to the study of molds, Mazzaron 625 



