CONTENTS. in 



Page. 



Experiments with nitrogenous fertilizers, Haselhoff 518 



Comparative results with different phosphatic manures, Gilchrist 518 



The fertilizing action of the phosphoric acid of steamed bone meal, Alexander . . 518 



The reserve supply of phosphate rock in the United States, Waggaman 518 



Composition of the Wittelsheimer potash salts, Kulisch 519 



The importance and value of phonolite as a fertilizer, Lemmermann 519 



Kelp production in United Kingdom, Griffiths 519 



The partial sterilization of soil by caustic Ume, Hutchinson and MacLennan. . 519 



Carbonic acid as a fertilizer, Quarrie 519 



AGRICULTURAL BOTANY. 



Formation of chlorophyll in plants, II, Mont^verde and Lubimenko 519 



Formation of chlorophyll in plants, III, Mont^verde and Lubimenko 520 



Hydrocyanic acid in the grasses of New South Wales, Petrie 520 



Influence of increased carbon dioxid content of air on green plants, Fischer. . . 521 



The controlling influence of carbon dioxid on seeds, I, Kidd 521 



The gro\vth of potatoes in little humidity and very little light, Hua 521 



Decalcification of soils by smoke and effect thereof on plants, Wieler 521 



The relative abundance of bacteria in forest soils, Rauber 521 



Role of winter temperatures in determining distribution of plants, Shreve 522 



The wilting coefBcaent of the soil, Blackman 522 



Changes produced in the sap by the heating of branches, Dixon 522 



Role of glycerin in causing anomalous structures in Pisum sativum, Laurent. . 522 



The spur shoot of the pines, Thomson 522 



Relationship between ovules formed and seeds developing in Cercis, Harris. . 523 



Reversion in p«'ickly pears, Griffiths 523 



The probable origin of (Enothera lamarcMana, De Vries 522 



An analytical and phytogeographical study of Leguminosae, Capitaine 523 



The seed of the Leguminosse, Capitaine 523 



The Leguminosse with particular reference to nitrogen assimilation, Heinze.. 523 



FIELD CROPS. 



[Field crop experiments] 524 



Experiments with calcium cyanamid, Lipschiitz 524 



The application of nodule bacteria for legumes, Kock 524 



Some minor farm crops. Eyre, Ashby, "Whitmore, and Brandon 524 



Seeding grass with or without a nmrse crop, Rindell 524 



The influence of water on the yield of meadows and pastures, Luedecke 524 



Phosphorus-containing substances in meadow hay, Duserre et al 524 



The composition of alfalfa, Ijavenir 524 



A many-eared variety of maize obtained by selection in Hungary, Grabner.. 525 



Cultural experiment with American and African horse-tooth com, Wacker 525 



Acidity as a factor in determining the soundness of corn, Gesley and Baston. . 525 



Cotton, Heizmann 525 



Experimental work with cotton, Robson 525 



Mutation in Egyptian cotton, Kearney 525 



The deterioration of Egyptian cotton, Snell 526 



Studies in Indian cottons, I, Vegetative characters, Leake and Prasad 526 



Fibers from various sources 526 



Experiments in Hungary vidth hemp seed from Asia Minor and Italy, Gaszner. . 526 



Sexual inequality in hemp, Cook 526 



Investigations on hops, Schmidt 526 



Fertilizer experiments by the German Hop Culture Association, 1913, Wagner. . 527 



Tests of selections from hybrids and commercial oats, Warburton et al 527 



Nitrogenous fertilizers with spring oats, Martin 528 



Influence of nitrates on the germinative period of oats, Plate 528 



Information on peanuts, Tonnelier 538 



Varieties of potatoes, Tonnelier 528 



Potato growing in New York State 528 



Crosses between summer rape and turnip, Baur 528 



On the physiology of germination of Oryza sativa, Akemine 529 



New varieties of rice from Japan, Poll 529 



Rice CTiltivation and milling in Burma, Moorhead 529 



Nitrogenous fertilizer for rye, Rygula 529 



