Wilson’s Cyanide Processes 12mo, 1 50 Chlorination Process 12mo, 1 50 Hydraulic and Placer Mining 12mo, 2 00 Treatise on Practical and Theoretical Mine Ventilation 12mo, 1 25 =SANITARY SCIENCE.= Copeland’s Manual of Bacteriology. (_In preparation._) Folwell’s Sewerage. (Designing, Construction and Maintenance.) 8vo, 3 00 Water-supply Engineering 8vo, 4 00 Fuertes’s Water and Public Health 12mo, 1 50 Water-filtration Works 12mo, 2 50 Gerhard’s Guide to Sanitary House-inspection 16mo, 1 00 Goodrich’s Economical Disposal of Town’s Refuse Demy 8vo, 3 50 Hazen’s Filtration of Public Water-supplies 8vo, 3 00 Kiersted’s Sewage Disposal 12mo, 1 25 Leach’s The Inspection and Analysis of Food with Special Reference to State Control. (_In preparation._) Mason’s Water-supply. (Considered Principally from a Sanitary Standpoint.) 3d Edition, Rewritten 8vo, 4 00 Examination of Water. (Chemical and Bacteriological.) 12mo, 1 25 Merriman’s Elements of Sanitary Engineering, 8vo, 2 00 Nichols’s Water-supply. (Considered Mainly from a Chemical and Sanitary Standpoint.) (1883.) 8vo, 2 50 Ogden’s Sewer Design 12mo, 2 00 Prescott and Winslow’s Elements of Water Bacteriology, with Special Reference to Sanitary Water Analysis 12mo, 1 25 * Price’s Handbook on Sanitation 12mo, 1 50 Richards’s Cost of Food. A Study in Dietaries 12mo, 1 00 Cost of Living as Modified by Sanitary Science 12mo, 1 00 Richards and Woodman’s Air, Water, and Food from a Sanitary Standpoint 8vo, 2 00 * Richards and Williams’s The Dietary Computer 8vo, 1 50 Rideal’s Sewage and Bacterial Purification of Sewage 8vo, 3 50 Turneaure and Russell’s Public Water-supplies 8vo, 5 00 Whipple’s Microscopy of Drinking-water 8vo, 3 50 Woodhull’s Notes on Military Hygiene 16mo, 1 50 =MISCELLANEOUS.= Barker’s Deep-sea Soundings 8vo, 2 00 Emmons’s Geological Guide-book of the Rocky Mountain Excursion of the International Congress of Geologists Large 8vo, 1 50 Ferrel’s Popular Treatise on the Winds 8vo, 4 00 Haines’s American Railway Management 12mo, 2 50