* Walke's Lectures on Explosives 8vo, 4 •o 



* Wheeler's Siege Operations and Military Mining * 8vo, 2 6© 



Winthrop's Abridgment of Military Law i2mo, a s» 



WoodhuU's Notes on Military Hygiene i6mo, 1 50 



Young's Simple Elements of Navigation i6mo morocco, 1 00 



Second Edition, Enlarged and Revised i6mo, morocco, 2 •« 



ASSAYING. 



Fletcher's Practical Instructions in Quantitative Assaying with the Blowpipe. 



i2mo, morocco, i 5« 



Furman's Manual of Practical Assaying 8vo, 3 00 



Miller's Manual of Assaying i2mo, 1 OO 



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



Ricketts and Miller's Notes on Assaying 8vo, 3 <N» 



Ulke's Modern Electrolytic Copper Refining ^ 8vo, 3 o« 



Wilson's Cyanide Processes i2mo, 1 50 



Chlorination Process i2mo, i 50 



ASTRONOMY. 



Comstock's Field Astronomy for Engineers » 8vo, 2 50 



Craig's Azimuth 4to, 3 50 



Doolittle's Treatise on Practical Astronomy 8vo, 4 00 



Gore's Elements of Geodesy 8vo, 2 50 



Hayford's Text-book of Geodetic Astronomy .8vo, 3 00 



Merriman's Elements of Precise Surveying and Geodesy 8vo, 2 50 



* Michie and Harlow's Practical Astronomy 8vo, 3 00 



* White's Elements of Theoretical and Descriptive Astronomy i2mo, 2 00 



BOTANY. 



Davenport's Statistical Methods, with Special Reference to Biological Variation. 



i6mo, morocco, i 25 



Thome and Bennett's Structural and Physiological Botany i6mo, 2 25 



Westermaier's Compendium of General Botany. (Schneider.) 8vo, 2 00 



CHEMISTRY. 



^driance's Laboratory Calculations and Specific Gravity Tables i2mo, t 25 



Allen's Tables for Iron Analysis 8vo, 3 ©• 



Arnold's Compendium of Chemistry. (Mandel.) (/n preparation.) 



Austen's Notes for Chemical Students i2mo, i 50 



Bernadou's Smokeless Powder. — Nitro-cellulose, and Theory of the Cellulose 



Molecule i2mo, 2 50 



Bolton's Quantitative Analysis 8vo, i 50 



* Browning's Introduction to the Rarer Elements 8vo, i 50 



Brush and Penfield's Manual of Determinative Mineralogy 8vo, 4 00 



Classen's Quantitative Chemical Analysis by Electrolysis. (Boltwood.) . . . 8vo, 3 o» 



Cohn's Indicators and Test-papers i2mo, 2 o« 



Tests and Reagents 8vo, 3 0» 



Copeland's Manual of Bacteriology. (In preparation.) 



Craft's Short Course in Qualitative Chemical Analysis. (Schaeffer.). . . .i2mo, 1 50 



Drechsel's Chemical Reactions. (Merrill ) i2mo, i 35 



Duhem's Thermodynamics and Chemistry. (Burgess.) 8vo, 4 4M» 



Eissler's Modern High Explosives 8vo, 4 00 



