II CONTENTS. 



Pagft 

 A method for determining the purity of butter by means of its density, R. 



Brulle 104 



Estimation of uric acid by Febling's solution, E. Riegler 104 



Further notes upon the fats contained in the tuberculosis bacilli, E. A. de 



Schweinitz and M. Dorset 104 



BOTAXV. 



Preliminary revision of the North American species of Echinocactus, Cereus, 



and Opuntia, J. M. Coulter 107 



The formation and use of the pentoses in plants and animals, Goitze and 

 Pfeiffer 106 



On the relation between calcium and the transportation of carbohydrates in 

 plants, P. Groom 106 



Copper as a constituent of vegetables, V. Vedrodi 107 



The lloraof Alabama, P. H. Mell 109 



METEOROLOGY. 



Injury from frost, and methods of protection, W. H. Hammon 109 



Departures from normal temperaturt- and rainfall, with crop yields, in Ne- 

 braska, H. H. C. Duuwoody 110 



Climate and Health, W. F. E.Phillips 110 



Meteorological observations at Massachusetts Hatch Station, L. Metcalf and 



J. L. Bartlett 110 



Monthly Weather Review, October, November, and December, 1895 110 



Report of the fourth annual meeting of the American Association of State 



Weather Services Ill 



SOILS. 



Geological history of the Chautauqua grajje belt, R. S. Tarr Ill 



Available potash and phosphoric acid in soils, T. B. Wood 113 



The rapid and exact determination of lime in arable soils, A. Nantier 113 



FERTILIZERS. 



The proi)cr use of tables of analyses of fertilizers and fertilizer chemicals, E. 



H. Jenkins 116 



The action of muriate of potash on the lime resources of the soil, C. A. Goess- 



mann 114 



Cost of nitrogen, phosphoric acid, and jiotash in Connecticut during the 



spring months of 1896 114 



Wisconsin's fertilizer law, W. A. Henry 115 



Commercial fertilizers, C. A. Goessmann 117 



Analyses of commercial fertilizers, J. L. Hills, B. O. White, and C. H. Jones.. 116 



Analyses of commercial fertilizers 117 



Analyses of commercial fertilizers, B. H. Hite 117 



FIELD CROPS. 



Alfalfa, flat pea, and sachaline, O. Clute 124 



Experiments on the variation in Hanna barley grown in different places, von 



Liebeuberg 117 



The velvet bean, 0. Clute 117 



Cauaigre, O. Clute 124 



Prickly comfrey, 0. Clute 124 



Experiments with foreign cotton, P. H. Mell 125 



