SECTION V. — CHEMISTRY, PURE AND APPLIED. 917

WiGGERs, August. [Cont'd.]
Grundriss der Pharmacognosie. Gottingen, 1840. 8vo.
Vierte Auflage. Gottingen, 1857. Trennung (Die) und Priifung metallischer Gifte aus verdachtigen or- ganischen Substanzen ; mit Riicksicht auf Blausaure und Opium, Gottingen, 1833. 8vo.
WiLBRAND, Ferdinand.
Grundziige der Chemie nach inductiver Methode. Hildesheim, 1885. Leitfaden fiir den methodischen Unterricht in der anorganischen Chemie. Zweite umgearbeitete Auflage. Hildesheim, 1875. 8vo. Fiinfte Auflage. Hildesheim, 1882. 111. Sechste Auflage. Hildesheim, 1892. 8vo. 111. Ziel und Methode des chemischen Unterrichts. Hildesheim, 1881.
WiLBRAND, Julius, und Ferdinand Wilbrand.
I.eitfaden fiir die ersten Uebungen im chemischen Laboratorium. Zum Gebrauch an hoheren Mittelschulen zusammengestellt. Neu- wied, 1867. i6mo.
Leiddraad bij de eerste oefeningen in het scheikundig labora- torium. Ten gebruike aan scholen voor middelbaar onderwijs. Naar het Hoogduitsch door R. J. Opwijrda. Utrecht, 1867. i2mo.
Wilde, H.
On the Origin of Elementary Substances, and on some new relations of their atomic weights. [Also with the German title :] Ueber den Ursprung der elementaren Korper und iiber einige neue Bezie- hungen ihrer Atomgewichte. London, 1892. Imp. 4to. The same in English and French. London, 1892.
Wilde, P. de.
Traite elementaire de chimie gen^rale et descriptive. Troisi^me Edition. Bruxelles, 1884. 2 vols., i2mo.
WiLDT, E.
Katechismus der Agricultur-Chemie. Sechste Auflage, neu bearbeitet unter Benutzung der fiinften Auflage von Hamm's Katechismus der Ackerbauchemie, der Bodenkunde und Diingerlehre. Leipzig, 1884. 8vo.
For earlier editions see Hamm, Wilhelm.
Wiley, Harvey W.
Analytical Processes used in the general qualitative examination of liquids and solids in the Laboratories of Purdue University and Medical College of Indiana. Indianapolis, 1875. PP- 23, i2mo.
9l8 BIBLIOGRAPHY OF CHEMISTRY.
Wiley, Harvey W. [Cont'd.]
Diffusion, its application to sugar-cane and record of experiments with sorghum in 1883. Bulletin of the Department of Agriculture, Chemical Division ; No. 2. Washington, D. C, 1884. 8vo.
Economical (The) aspects of Agricultural Chemistry. An Address before the American Association for the Advancement of Science, at the Euffalo meeting, August, 1886. Cambridge, 1886. 8vo.
Experiments with diffusion and carbonatation at Ottawa, Kansas. Cam- paign of 1885. Bulletin No. 6, Division of Chemistry, Department of Agriculture. Washington, 1885. pp. 20, 8vo.
Experiments with Sugar Beets in 1890. Bulletin No. 30, Division of Chemistry, U. S. Department of Agriculture. Washington, 1891, pp. 93, 8vo.
Foods and Food Adulterants. Part i, Dairy Products. Bulletin No. 13, U. S. Department of Agriculture, Division of Chemistry. Washington, 1887. 8vo.
Methods and Machinery for the application of diffusion to the extrac- tion of sugar from sugar-cane and sorghum and for the use of lime, and carbonic and sulphurous acids in purifying the diffu- sion juices. Bulletin No. 8, Division of Chemistry, Department of Agriculture. Washington, 1886. pp. 85, 8vo. 24 folding plates.
Northern (The) Sugar Industry : A Record of its progress during the season of 1883. Bulletin No. 3, Chemical Division, Department of Agriculture. Washington, 1884. pp. 118, 8vo. 11 folding plates.
Wiley, Harvey W. [Editor.]
Record of Experiments conducted by the Commissioner of Agriculture in the manufacture of sugar from sorghum and sugar-canes at Fort Scott, Kansas ; Rio Grande, New Jersey and Lawrence, Louisiana, 1887-88. Bulletin No. 17, Division of Chemistry, U. S. Department of Agriculture. Washington, 1888. pp. 118, 8vo. Plates.
Record of Experiments at Fort Scott, Kansas, in the manufacture of sugar from sorghum and sugar-canes in 1886. U. S. Department of Agriculture, Division of Chemistry, Bulletin No. 14. Washing- ton, 1887. 8vo.
Record of Experiments conducted by the the Commissioner of Agricul- ture in the manufacture of sugar from sorghum at Rio Grande, New Jersey ; Kenner, Louisiana ; Conway Springs, Douglass and Sterling, Kansas, 1888. Bulletin No. 20, Division of Chemistry, U. S. Department of Agriculture. Washington, 1889. pp. 162, 8vo.
Record of Experiments in the production of sugar from sorghum in 1889 at Cedar Falls, Iowa ; Rio Grande, New Jersey ; Morrisville, Virginia ; Kenner, Louisiana ; College Station, Maryland ; and