Morse’s Calculations used in Cane-sugar Factories 16mo, morocco, 1 50 Mulliken’s General Method for the Identification of Pure Organic Compounds. Vol. I. Large 8vo, 5 00 O’Brine’s Laboratory Guide in Chemical Analysis 8vo, 2 00 O’Driscoll’s Notes on the Treatment of Gold Ores 8vo, 2 00 Ostwald’s Conversations on Chemistry. Part One. (Ramsey.) 12mo, 1 50 Ostwald’s Conversations on Chemistry. Part Two. (Turnbull.) 12mo, 2 00 * Penfield’s Notes on Determinative Mineralogy and Record of Mineral Tests 8vo, paper, 50 Pictet’s The Alkaloids and their Chemical Constitution. (Biddle.) 8vo, 5 00 Pinner’s Introduction to Organic Chemistry. (Austen.) 12mo, 1 50 Poole’s Calorific Power of Fuels 8vo, 3 00 Prescott and Winslow’s Elements of Water Bacteriology, with Special Reference to Sanitary Water Analysis 12mo, 1 25 * Reisig’s Guide to Piece-dyeing 8vo, 25 00 Richards and Woodman’s Air, Water, and Food from a Sanitary Standpoint 8vo, 2 00 Richards’s Cost of Living as Modified by Sanitary Science 12mo, 1 00 Cost of Food, a Study in Dietaries 12mo, 1 00 * Richards and Williams’s The Dietary Computer 8vo, 1 50 Ricketts and Russell’s Skeleton Notes upon Inorganic Chemistry. (Part I. Non-metallic Elements.) 8vo, morocco, 75 Ricketts and Miller’s Notes on Assaying 8vo, 3 00 Rideal’s Sewage and the Bacterial Purification of Sewage 8vo, 3 50 Disinfection and the Preservation of Food 8vo, 4 00 Rigg’s Elementary Manual for the Chemical Laboratory 8vo, 1 25 Robine and Lenglen’s Cyanide Industry. (Le Clerc.) 8vo, Rostoski’s Serum Diagnosis. (Bolduan.) 12mo, 1 00 Ruddiman’s Incompatibilities in Prescriptions 8vo, 2 00 * Whys in Pharmacy 12mo, 1 00 Sabin’s Industrial and Artistic Technology of Paints and Varnish 8vo, 3 00 Salkowski’s Physiological and Pathological Chemistry. (Orndorff.) 8vo, 2 50 Schimpf’s Text-book of Volumetric Analysis 12mo, 2 50 Essentials of Volumetric Analysis 12mo, 1 25 * Qualitative Chemical Analysis 8vo, 1 25 Spencer’s Handbook for Chemists of Beet-sugar Houses 16mo, morocco, 3 00