C. REMIQIUS FRESENIUS.

ELEMENTARY INSTRUCTION IN CHEMICAL ANALYSIS, AS PRACTISED IN THE LABORATORY OF GIESSEN. Edited by LLOYD BULLOCK, late Student at Giessen.

Qualitative; Third Edition. 8vo. cloth, 9s.

Quantitative. Second Edition. 8vo. cloth, 15s.

“I can confidently recommend this work, from my own personal experience, to all who are desirous of obtaining instruction in analysis, for its simplicity and usefulness, and the facility with which it may be apprehended.”—Baron Liebig.

MR. FRENCH, F.R.C.S.,

SURGEON TO THE INFIRMARY OF ST. JAMES’S, WESTMINSTER.

THE NATURE OF CHOLERA INVESTIGATED. Second Edition. 8vo. cloth, 4s.

“This is one of the best treatises on cholera which we have lately read. His theory of the nature of cholera is ingenious, and is argued with acuteness.”—Medical Times and Gazette.

MR. FOWNES, PH.D., F.R.S.