Richards’s Conservation by Sanitation 8vo, 2 50 Cost of Cleanness 12mo, 1 00 Cost of Food. A Study in Dietaries 12mo, 1 00 Cost of Living as Modified by Sanitary Science 12mo, 1 00 Cost of Shelter 12mo, 1 00 Richards and Woodman’s Air, Water, and Food from a 8vo, 2 00 Sanitary Standpoint * Richey’s Plumbers’, Steam-fitters’, and Tinners’ 16mo, mor. 1 50 Edition (Building Mechanics’ Ready Reference Series) Rideal’s Disinfection and the Preservation of Food 8vo, 4 00 Soper’s Air and Ventilation of Subways 12mo, 2 50 Turneaure and Russell’s Public Water supplies 8vo, 5 00 Venable’s Garbage Crematories in America 8vo, 2 00 Method and Devices for Bacterial Treatment of 8vo, 3 00 Sewage Ward and Whipple’s Freshwater Biology. (In Press.) Whipple’s Microscopy of Drinking-water 8vo, 3 50 * Typhoid Fever Large 12mo, 3 00 Value of Pure Water Large 12mo, 1 00 Winslow’s Systematic Relationship of the Coccaceæ Large 12mo, 2 50 MISCELLANEOUS. * Burt’s Railway Station Service 12mo, 2 00 * Chapin’s How to Enamel 12mo, 1 00 Emmons’s Geological Guide-book of the Rocky Mountain Large 8vo, 1 50 Excursion of the International Congress of Geologists Ferrel’s Popular Treatise on the Winds 8vo, 4 00 Fitzgerald’s Boston Machinist 18mo, 1 00 * Fritz, Autobiography of John 8vo, 2 00 Gannett’s Statistical Abstract of the World 24mo, 0 75 Haines’s American Railway Management 12mo, 2 50 Hanausek’s The Microscopy of Technical Products. 8vo, 5 00 (Winton) Jacobs’s Betterment Briefs. A Collection of Published 8vo, 3 50 Papers on Organized Industrial Efficiency Metcalfe’s Cost of Manufactures, and the 8vo, 5 00 Administration of Workshops * Parkhurst’s Applied Methods of Scientific 8vo, 2 00 Management Putnam’s Nautical Charts 8vo, 2 00 Ricketts’s History of Rensselaer Polytechnic Large 12mo, 3 00 Institute 1824–1894 * Rotch and Palmer’s Charts of the Atmosphere for Oblong 4to, 2 00 Aeronauts and Aviators Rotherham’s Emphasised New Testament Large 8vo, 2 00 Rust’s Ex-Meridian Altitude, Azimuth and Star-finding 8vo, 5 00 Tables Standage’s Decoration of Wood, Glass, Metal, etc. 12mo, 2 00