BOTANY. 1005 



Testing butter for foreign fats, R. WOLLNY, (Oesterr. Chem. Ztg., 2 (1899), No. .',, 

 pp. 124-126).— A quite general paper on this subject, presented at the Third Inter- 

 national Congress of Applied Chemistry, 1898. 



The determination of lactic acid, F. Ulzer and H. Seidel (Monatsh. Chem., 18 

 (1898), p. 1SS; abs. in Ztsclir. Anahjt. Chem., 38 (1809), Xo. 1, p. 58). 



The direct analysis of sugar beets by digestion in water in the cold, J. Zam- 

 arox (Bid. Assoc. Cliim. Sucr. el Distill., 16 (1899), Xo. 9, pp. 885-887; abs. in Sua: 

 Intl., 58 (1899), Xo. 15, pp. 449-453). 



Determination of mercury in grapes, wine, lees, and marc, L. Vignon and 

 Bakrillot (Compt. Rend. Acad. Sci. Paris, 128 (1S99), No. 10, pp. 618-615). 



The determination of mercury in products of vines treated with mercurial 

 solutions, L. Vignon and J. Perraud (Compt. Bend. Acad. Sci. Paris, 128 (1899), No. 

 12, pp. 830-833; Rev. Sci. [Parts], 4. set:, 11 (1899), Xo. 11, p. 439). 



Determination of nitrites in water, D. de Paepe (Bui. Assoc. Beige ('him., 12 

 (189S), p. 98; abs. in Jour. Soc. Chem. Ind., 17 (1S9S), Xo. 9, p. 875). 



On the analysis of water for chemical purification, L. Vignon and Meunier 

 (Compt. Bend. Acad. Sci. Paris, 128 (1899), Xo. 11, pp. 683-686).— Describes method 

 for the determination of the free, and partly combined carbon diosid and of the 

 amount of sodium carbonate necessary to transform the chlorids and sulphates 

 present. 



A contribution to agricultural chemistry — cardamoms, H. B. Yardley (Chan. 

 News, 79 (1899), Xo. 2051, p. 122). — An analysis of the ash of cardamom seeds (with 

 husk). 



The chemistry of sassafras, C. Klebbr (Amer. Jour. Pharm., 71 (1899), No. 1, pp. 

 27-3?; abs. in Tech. Quart., 1.' (1899), Xo. 1, Rev. Chem., p. 22).— Principally a study 

 of the essential oils. 



The solanin content of potatoes ; and a reliable reaction for the detection 

 of the alkaloid, Banes (Ztschr. Angew. Chem., 1899, Xo. 5, pp. 99, 100; abs. in. .four. 

 Soc. Chem. Ind., 18 (1S99), Xo. 3, p. 301). 



On solanin, P. Cazeneuve and P. Breteau (Compt. Bend. Acad. Sci. Paris, 128 

 (1899), Xo. 14, pp. 887-890). 



Sumac and its adulterants, M. O'Caixaghan and J. Randall (Jour. Soc. Chem. 

 Ind., 18 (1899), Xo. 2, pp. 105-107). 



The chemical balance of an intensive farm, J. Ernotte and G. Semal (L'Ing. 

 Agr. Gembloux, 9 (1899), Xo. 8, pp. 476-481). 



A new form of potash bulb, W. C. Anderson {-four. Soc. Chem. Ind., / x i 1899), 

 No. 2, p. 119, fig. 1). 



A serviceable generator for hydrogen sulphid, W. P. Bradley (Amer. Chem. 

 Jour., 21 (1899), No. 4, pp. 370-376, fig. 1). 



An apparatus for evaporation in vacuo and underpressure, A. Gawalowski 

 (Ztschr. Analyt. Chem., 3S (1S99), Xo. I, pp. 30, 31, fig. J). 



A sterilization apparatus for the laboratory, J. Hausser (But. Soc. Chim. Paris, 

 3. ser., 21 (1889), Xo. 5, pp. 250-253, fig. 1). 



The lighting of laboratories and the heating of apparatus by carburetted air. 

 C. Masson (L'Ing. Agr. Gembloux, 9 (1899), Xo. 8, pp. 481-4SS,fig. 1). 



BOTANY. 



Experiments in range improvements, J. <<. Smith (U. S. Dept 

 Agr., Division of Agrostology Circ. S,2)p. 5, Jig. 1).— The general deprecia- 

 tion in the stock ranges of the Southwest and the reasons therefor are 

 pointed out. Experiments have been undertaken by the Division at 

 two points in Texas to determine the most practical and economical way 

 of treating natural pastures in order to again cover them with native 



