* Phelps's Practical Marine Surveying , 8vo, 2 50 



Powell's Army Officer's Examiner I2mo, 4 oo 



Sharpe's Art of Subsisting Armies in War i8mo, morocco, i 50 



* Walke's Lectures on Explosives 8vo, 4 oo 



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



Winthrop's Abridgment of Military Law i2mo, 2 50 



Woodhull's Notes on Military Hygiene i6mo, i 50 



Young's Simple Elements of Navigation i6mo, morocco, i oo 



Second Edition, Enlarged and Revised i6mo, morocco, 2 oo 



ASSAYING. 



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



tamo, morocco, i 50 



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



Lodge's Notes on Assaying and Metallurgical Laboratory Experiments. . . .8vo, 3 oo 



Miller's Manual of Assaying I2mo, i oo 



O'Driscoll's Notes on the Treatment of Gold Ores 8vo, 2 oo 



Ricketts and Miller's Notes on Assaying 8vo, 3 oo 



Ulke's Modern Electrolytic Copper Refining 8vo, 3 oo> 



Wilson's Cyanide Processes i2mo, i 50 



Chlorination Process I2mo, i so> 



ASTRONOMY. 



Comstock's Field Astronomy for Engineers 8vo r 2 50 



Craig's Azimuth 4to, 3 50 



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



Gore's Elements of Geodesy 8vo, 2 50 



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



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



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



* White's Elements of Theoretical and Descriptive Astronomy I2mo, 2 oo 



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 oo 



CHEMISTRY. 



Adriance's Laboratory Calculations and Specific Gravity Tables I2mo, i 25 



Allen's Tables for Iron Analysis 8vo, 3 oo 



Arnold's Compendium of Chemistry. (Mandel.) Small 8vo, 3 50 



Austen's Notes for Chemical Students I2mo, i 50 



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



Molecule 1 2mo, 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 oo 



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



Cohn's Indicators and Test-papers ' I2mo, 2 oo 



Tests and Reagents ... 8vo, 3 oo 



Crafts's Short Course in Qualitative Chemical Analysis. (Schaeffer.). . .I2mo, i 50 

 Dolezalek's Theory of the Lead Accumulator (Storage Battery). (Von 



Ende.) I2mo, 2 50 



Drechsel's Chemical Reactions. (Merrill.) I2mo, i 25 



Duhem's Thermodynamics and Chemistry. (Burgess.) * .8vo, 4 oo 



Eissler's Modern High Explosives 8vo, 4 oo 



Eff rent's Enzymes and their Applications. (Prescott.) 8vo, 3 oo 



Erdmann's Introduction to Chemical Preparations. (Dunlap.) I2mo, z 25 



3 



