SECTION V. — CHEMISTRY, PURE AND APPLIED. 933 



Wolff, Lawrence. [Cont'd.] 



Essentials of Medical Chemistry, organic and inorganic. 

 Containing also questions of medical physics, chemical 

 philosophy, analytical processes, toxicology, etc. Pre- 

 pared especially for students of medicine. Third and 

 revised edition. Philadelphia, 1891. pp. xi-from 17- 

 218, i2mo. 



Saunders' Question-Compends, No. 4. 



Questions and Answers on the Essentials of Medical Chemistry. Phila- 

 delphia, 1889. 



Wolff, Leopold. 



Das Wasserglas. Seine Darstellung ... in den technischen Gewerben. 

 Quedlinburg und Leipzig, 1846. 8vo. 



WOLFRING, M. C. 



Verhaltniss des Organischen zum Anorganischen. Erlangen, 1848. 

 WoLLASTON, William Hyde. 



This eminent chemist does not appear to have published any independent 

 book, but, contrary to my plan, and to introduce his name, I give two 

 references to papers announcing important discoveries in the Philosophical 

 Transactions. See Catalogue Scientific Papers by the Royal Society of 

 London, vol. vi. 



On a new metal found in crude platina [Palladium]. Phil. Trans., 1804. 



pp. 419-430- 

 On the discovery of Palladium ; with observations on other substances 



found with Platina [Rhodium]. Phil. Trans., 1805. pp. 316-330. 



WOLPERT, H. 



Eine einfache Luftpriifungsmethode auf Kohlensaure mit wissenschaft- 

 licher Grundlage. Jena, 1891. 8vo. 111. 



Wood, Thomas. 



Chemical Notes for the Lecture Room, on heat, laws of chemical com- 

 bination, and the chemistry of the non-metallic elements. Second 

 edition. London, 1868. 8vo. 



Elementary Questions in Chemistry for Students. First Series. Thirty 

 Papers on Heat and Metalloids. London, 1870. 



Notes on the Metals. A second series of chemical notes for the lecture 

 room. London, 1868. 8vo. 



Woodland, J. 



Laboratory Work for Students. London, 1889. i2mo. 



