* Penfield's Notes on Determinative Mineralogy and Record of Mineral Tests. 



8vo, paper, o 50 

 Rosenbusch's Microscopical Physiography of the Rock-making Minerals. 



(Iddings.) 8vo, 5 00 



* Tillman's Text-book of Important Minerals and Docks 8vo, 2 00 



Williams's Manual of Lithology 8vo, 3 00 



MINING. 



Beard's Ventilation of Mines i2mo, 2 50 



Boyd's Resources of Southwest Virginia 8vo, 3 00 



Map of Southwest Virginia Pocket-book form, 2 00 



* Drinker's Tunneling, Explosive Compounds, and Rock Drills. 



4to, half morocco, 25 00 



Eissler's Modern High Explosives 8vo, 4 00 



Fowler's Sewage Works Analyses i2mo, 2 00 



Goodyear's Coal-mines of the Western Coast of the United States i2mo, 2 50 



Ihlseng's Manual of Mining 8vo, 4 00 



** Iles's Lead-smelting. (Postage 9c. additional.) i2mo, 2 50 



Kunhardt's Practice of Ore Dressing in Europe .... 8vo, i 50 



O'DriscoU's Notes on the Treatment of Gold Ores 8vo, 2 00 



* Walke's Lectures on Explosi/es Bvo, 4 00 



Wilson's Cyanide Processes i2mo, i 50 



Chlorination Process 1 2mo , i 50 



Hydraulic and Placer Mining i2mo, -> 00 



Treatise on Practical and Theoretical Mine Ventilation i2mo. i 25 



SANITARY SCIENCE. 



Copeland's Manual of Bacteriology, iln preparation.) 



Eolw^ell's Sewerage. (Designing, Construction, and Maintenance.) 8vo, 



Water-supply Engineering 8vo , 



Fuertes's Water and Public Health i2nio, 



Water-filtration Works i2mo, 



Gerhard's Guide to Sanitary House-inspection i6mo, 



Goodrich's Economical Disposal of Town's Refuse Demy Bvo, 



Hazen's Filtration of Public Water-supphes Bvo, 



Kiersted's Sewage Disposal T2mo, i 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 Stand- 

 point.) 3d Edition, Rewritten 8vo, 4 00 



Examination of Water. {Chemical and Bacteriological.) i2mo, r 25 



Merriman's Elements of Sanitary'Engineering 8vo, 2 00 



Nichols's Water-supply. (Considered Mainly from 'a Chemical and Sanitary 



Standpoint.) (1883.) Svo, 2 50 



Ogden's Sewer Design i2mo. 2 00 



* Price's Handbook on Sanitation i2mo, i 50 



Richards's Cost of Food. A Study in Dietaries i2rao, i 00 



Cost of Living as Modified'by Sanitary Science i2mo, i 00 



Richards and Woodman's Air, Water, and Food from a Sanitary Stand- 



point 



8v 



* Richards and Williams's The Dietary'Computer 8vo, 



Rideal's Sewage and Bacterial Purification of Sewage 8vo, 



Turneaure and Russell's Public Water-supplies 8vo, 



Whipple's Microscopy of Drinking-water 8vo, 



Woodhull's Notes and Military Hygiene i6mo, 



15 



