CONTENTS. Ill 



Page. 



Experiments on prairie silt loam of southwest Missouri, Miller and Hutchison. . 20 



Experiments on the rollinti; limestone upland, Miller and Hutchison 21 



Soil investigations on Uazen lieneh, Truckee-( 'arson project, Dinsmore 21 



Studies of the needs of Rhode Island soils, Wheeler 21 



Natal soils, Sawer 22 



Investii^ations of soils, Aston 23 



Commercial fertilizers. Smith et al 23 



The fertility of the soil, Dumont 23 



Pe])tonized fertilizers, Dumont 23 



Utilization of atmospheric nitrogen, particularly for air salti)eter, Bernthsen. . 23 



Potash experiments in eastern Holstein, Kuhnert 23 



Ground phonolite as a potash fertilizer, Rhodin 24 



Fertilizer experiments with phonolite meal, von Feilitzen 24 



A criticism of Weill's experiments with ground phonolite, Neubauer 24 



Fertilizer experiments with silicate of potash, Wein 24 



Pot experiments with silicate of potash, Wein 24 



New processes for making superphosphates, Cambon 24 



Tests of different kinds of phosphatic fertilizers, Schroeder and Dammann. ... 24 



The behavior of superphosphate in the soil, Greisenegger 24 



Mineral resources of the United States, 1908. — Part 11, Nonmetallic products.. 25 



Peat resources of the United States exclusive of Alaska, Davis 25 



Lime and limestones, Aston 25 



Seaweed as a manure 25 



The garbage question at Paris, Maurecours 25 



Fertilizers, Rose and Heimburger 26 



Fertilizer inspection 26 



Inspection of commercial fertilizers, Haskins, Walker, and Goldsmith 26 



Inspection and analyses of fertilizers on sale in the State, Hand et al 26 



Inspection of commercial fertilizers, Trowbridge 26 



Fertilizers, Aston 26 



Manure used in A'ictoria, Australia 26 



AGRICULTURAL BOTANY. 



The transpiration and ascent of water in trees, Ewart and Rees 26 



Influence of light on the expanding of the buds of woody plants, Lubimenko.. 27 



The action of ultraviolet light on plants, Cercelet 27 



On the increased growth of persistent leaves, De Pergola 27 



The transfer of foodstuffs in leaves, Schulze and Schiitz 28 



The relation of plants to salts in soils, Hansteen 28 



The penetration of inorganic salts into living protoplasm, Osterhout 28 



The photochemical formation of formaldehyde in green plants, Schryver 29 



Phytochemical investigations at Kew, Greshoff 29 



Does tannin in seed coat of barley have any effect on its membranes? Reichard. 29 



Some notes on cyanogenetic plants, De Jong 29 



The role of oxygen in the formation of proteids in plants, Zaleski 29 



The proteases of plants, VII, Vines 29 



The occurrence of rennet in plants, Gerber 30 



Inoculation experiments with red clover and serradella, Steglich 30 



Remarks on the formation and consumption of nitrous oxid by bacteria, Tacke. . 30 



Cellulose as a source of energy for assimilation of nitrogen, Pringsheim 30 



The assimilation of carbon dioxid by hydrogen-oxidizing bacteria, Lebedcff . . . 30 



Report of the botanist, Pammel 31 



Mutative reversions in cotton, Cook 31 



Parthenogenesis in Nicotiana, Thomas 31 



Odontites rubra and the influence of its parasitism on its ff)rm, Heckel 31 



FIELD CROPS. 



Cereals in South Africa, Sawer 31 



fExi)eriments with field crops at Poona], Main et al 33 



!v\|>(Timents of the Poltava field for 1908, Tretyakov and Verbetski 33 



[Yields of small grains, alfalfa, and timothy in Nevada], True 34 



On the seeding and maintenance of grass land, Dannfelt 34 



I Handbc)()k for dry farmers) 34 



Cooperative experiments of the dejnxrtment of agronomy, Miller and Hutchison . 35 



Distribution of seeds and plants, Wickson and Mansell 35 



