CONTENTS. Ill 



Page. 



Phonolith, a new fertilizer, Lindeman 25 



Development of chemical activity in superphosphate manufacture, Schucht. . . 25 



The lime in basic slag, Hendrick 25 



Investigations on the fertilizing value of sulphur water 25 



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



Fish guano, Douglas 26 



Production and consumption of manufactured fertilizers 26 



Progress in the fertilizer industry, 1905-1908, MoUer 26 



[Analyses of fertilizers, soils, and waters] , Thompson 26 



Commercial fertilizers and chemicals, Hudson, Stallings, et al 26 



Fertilizer analyses, Patten and Collingwood 26 



New state fertilizer laws 26 



AGRICULTURAL BOTANY. 



The perception of light in plants, Wager 26 



The photodynamic effect of extracts from etiolated plants, Hausmann and Von 



Portheim 27 



Influence of nutrient solutions on germination and development of fungi, Lutz. 27 



The effect of heat on diastatic ferments, Apsit and Gain 27 



The rennet and proteolytic ferments and their function, Gerber 27 



A method for the rapid recognition of hydrocyanic acid in plants, Mirande. . . 28 



The influence of anesthetics and freezing on gkicosids in plants, Guignard 28 



The elaboration of nitrogenous material in the leaves of plants, Andre 28 



The reduction of assimilation during cloudy weather, Miintz and Gaudechon. 28 



Investigations on the later resting stages of bulbs, Christensen 29 



The possible effect of cement dust on plants, Peirce 29 



Vitality of seeds under water, Thornber 29 



FIELD CROPS. 



Field crop experiments, Krauss 29 



Report of work for 1907 and 1908 at Highmore Substation, Willis 33 



Fall and winter forage crops, De Cillis 34 



[Work with sugar beets and potatoes] , Thatcher 34 



A lesson in diversified farming, Forbes 34 



The Truckee-Carson experiment farm, Scofield and Rogers 35 



Natural revegetation of depleted mountain grazing lands, Sampson 35 



Some experiments in the hybridizing of Indian cottons, Fyson 35 



Local adjustment of cotton varieties, Cook 36 



A study of diversity in Egyptian cotton. Cook, McLachlan, and ]\Ieade 37 



Cotton growing in Arizona, Clothier 38 



Cotton production, 1908, Roper 38 



Potato culture, Remy 39 



Soy beans, Piper and Nielsen 39 



Improved seed wheat, Ten Kyck 39 



Second report of the Nebraska seed laboratory, Wilcox and Stevenson 39 



Constant problems in modern agriculture. Von Riimker '. 40 



[Agricultural products of Japan] , Shimooka 40 



HORTICULTURE. 



The inheritance of color in the seeds of the common bean, Emerson 40 



The importance of uniformity of varietal character in vegetable seeds, Tracy. . 41 



Manurial experiments in onion cultivation, Jervis 41 



Winter onions in the Southwest, Crane and Forbes 41 



Report of the horticulturist, Higgins 41 



Phenological notes for 1 908, King et al 42 



Top working fruit trees, Whipple 42 



The farmers' orchard, Troop and Woodbury 42 



The St. Everard apple 42 



Foundations of American grape culture, Munson 42 



Investigations on the question of manuring of grapevines, Liechti 42 



Statistics on grape and olive products for the year 1908 43 



The Italian lemon industry, Powell 43 



Practical manual of coffee and cacao culture in the Belgian Kongo 43 



Tea culture in Java 43 



Tea manufacture, Shimooka 43 



Progress and prospects of date-palm culture, Forbes 43 



History of gardening, Ranck , 43 



