Water-supply. (Considered Principally from a 8vo, 4 00 Sanitary Standpoint.) * Mathewson’s First Principles of Chemical Theory 8vo, 1 00 Matthews’s Laboratory Manual of Dyeing and Textile 8vo, 3 50 Chemistry Textile Fibres. 2d Edition, Rewritten 8vo, 4 00 * Meyer’s Determination of Radicles in Carbon 12mo, 1 25 Compounds. (Tingle.) Third Edition Miller’s Cyanide Process 12mo, 1 00 Manual of Assaying 12mo, 1 00 Minet’s Production of Aluminum and its Industrial 12mo, 2 50 Use. (Waldo.) * Mittelstaedt’s Technical Calculations for Sugar 12mo, 1 50 Works. (Bourbakis.) Mixter’s Elementary Text-book of Chemistry 12mo, 1 50 Morgan’s Elements of Physical Chemistry 12mo, 3 00 * Physical Chemistry for Electrical Engineers 12mo, 1 50 * Moore’s Experiments in Organic Chemistry 12mo, 0 50 * Outlines of Organic Chemistry 12mo, 1 50 Morse’s Calculations used in Cane-sugar Factories 16mo, mor. 1 50 * Muir’s History of Chemical Theories and Laws 8vo, 4 00 Mulliken’s General Method for the Identification of Pure Organic Compounds Vol. I. Compounds of Carbon with Hydrogen and Large 8vo, 5 00 Oxygen Vol. II. Nitrogenous Compounds. (In Preparation.) Vol. III. The Commercial Dyestuffs Large 8vo, 5 00 * Nelson’s Analysis of Drugs and Medicines 12mo, 5 00 Ostwald’s Conversations on Chemistry. Part One. 12mo, 1 50 (Ramsey.) Ostwald’s Conversations on Chemistry. Part Two. 12mo, 2 00 (Turnbull.) * Introduction to Chemistry. (Hall and Large 12mo, 1 50 Williams.) Owen and Standage’s Dyeing and Cleaning of Textile 12mo, 2 00 Fabrics * Palmer’s Practical Test Book of Chemistry 12mo, 1 00 * Pauli’s Physical Chemistry in the Service of 12mo, 1 25 Medicine. (Fischer.) Penfield’s Tables of Minerals, Including the Use of 8vo, 1 00 Minerals and Statistics of Domestic Production Pictet’s Alkaloids and their Chemical Constitution. 8vo, 5 00 (Biddle.) Poole’s Calorific Power of Fuels 8vo, 3 00 Prescott and Winslow’s Elements of Water 12mo, 1 50 Bacteriology, with Special Reference to Sanitary Water Analysis * Reisig’s Guide to Piece-Dyeing 8vo, 25 00 Richards and Woodman’s Air, Water, and Food from a 8vo, 2 00 Sanitary Standpoint Ricketts and Miller’s Notes on Assaying 8vo, 3 00 Rideal’s Disinfection and the Preservation of Food 8vo, 4 00