CONTENTS. ni 



Page. 



Sulphate of ammonia, Atwater 233 



The nitrogen of the air and its utilization, Kaiser 133 



Calcium cyanamid and some of its decomposition products, Stutzer and Reis. '. 133 



Tests of 40 per cent potassium chlorid, silicate, and feldspar, Honcamp et ah! 133 



The utilization of the potash in lime trass fertilizer, Stutzer ' . 134 



Society for scientific act vancement of German potash salts deposits. Van 't Hoff . .' 134 



Experiments with phosphatic fertilizers, Schneidewind and Meyer I34 



The occurrence of phosphorus in Curacao, Aruba, and Bonaire I34 



Experiments with lime and magnesia, Meyer ' 134 



On the alleged refutation of the lime factor theory, Loew I35 



Fertilizers and their use, Willard, Swanson, and Wiley I35 



Commercial fertilizers, Burd 13g 



Tabulated analyses of commercial fertilizers, Frear 13g 



[Fertilizer manufacturers and licensed fertilizers in Pennsylvania] 136 



AGRICULTURAL BOTANY. 



The plant life of Maryland, Shreve, Chrysler, Blodgett, and Besley 136 



Additional notes on the native legumes in Nebraska and Kansas, Warren 136 



The indigenous species of cereals found in Palestine and Syria, Aaronsohn 136 



The use of the spectroscope in the study of plant life, Henslow 136 



An atmograph, Eikenberry I37 



Transpiration experiments with the corn plant, Kiesselbach 137 



Experiments on exosmosis in plants, Czapek I37 



Physiological processes in the sprouting of plants, Miiller and Schneider 137 



The physiological significance of certain glucosids, Weevers 138 



The presence and utility of boron in plants, Agulhon 138 



Action of useful and injurious stimulants on respiration of plants, Ivanov 138 



The action of vapors on green plants, Mirande 139 



Investigations on the blackening of leaves, Maquenne and Demoussy 139 



Some observations on catalase, Appleman 139 



The physiology of lipoids, Palladin 139 



Nuclear phenomena of sexual reproduction in algae, Davis 140 



Nuclear phenomena of sexual reproduction in fungi, Harper 140 



The maize smut ( Ustilago maydis), Zellner 140 



Chemical relation between the higher parasitic fungi and their host, Zellner. . . 140 



The behavior of bacteria in a nitrous oxid atmosphere, Maassen and Schonewald. 140 



Nitrogen gain and loss in cultivated soils, Koch 140 



The adaptation of the plant to the soil, Hall 141 



Alterations in plants as a result of environment, Klebs 141 



Hybridization methods in corn breeding, Shull 141 



Twin hybrids and their anatomical distinctions, Andrews 141 



The mutation theory: A criticism, Henslow 141 



FIELD CROPS. 



[Field crops work at the North Platte substation] 142 



Report on the Aligarh Agricultural Station for 1910, Parr 142 



Variety tests of wheat and oats, Burgess, Meacham, and Collett 142 



Winter fodders for the south coast, Makin 142 



Report on rice and cotton investigations in China and Japan, Krauss 142 



Trial of leguminous plants from Ceylon 142 



Cold resistance of alfalfa and some factors influencing it, Brand and Waldron.. 142 



The importance of the inoculation of alfalfa on Nebraska upland soils, Alway.. 143 



Crimson clover culture, Grantham 1 43 



Nitrogen content of inoculated and uninoculated alfalfa, Alway and Pinckney. 144 



The curing and testing of seed corn, Moore 144 



Manchurian millets, Haywood 144 



Trial of varieties of potatoes, 1909-10, Valder .• 144 



Wheat growing and its present day problems, Russell 144 



Wheat experiments, season of 1909, Valder 144 



Federation wheat, from farmers' and millers' point of view, Ross 145 



Breeding for type of kernel in wheat, Roberts -_ 145 



Relation of size, weight, and density of kernel to germination of wheat, LiU. . . 14a 



Production of a new form in wheat, Montgomery 145 



Handling wheat from field to mill, Fitz - 14|^ 



Seed sterilization and its effect upon seed inoculation, Robinson 140 



