* I'helps's Practical Marine Surveying 8vo, 2 so 



Powell's Army Officer*s Examiner 12010, 4 00 



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



* Walke's Lectures on Explosives 8vo, 4 00 



* Wheeler's Siege Operations and Military Mining 8vo, 2 00 



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 00 



Second Edition, Enlarged and Revised i6mo, morocco, 2 00 



ASSAYING. 

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



i2mo, morocco, i 50 



Furman's Manual of Practical Assaying 8vo, 



I/Odge's Notes on Assaying and Metallurgical Laboratory Experiments .... 8vo, 



Miller's ?'anual of Assaying i2mo, 



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



Ricketts and Miller's Notes on Assaying 8vo, 



Ulke's Modern Electrolytic Copper Refining 8vo, 



Wilson's Cyanide Processes i2mo, 



Chlorination Process i2mo, 



ASTRONOMY. 



Comstock's Field Astronomy for Engineers 8vo, 



Craig's Azimuth 4to, 



Boolittle's Treatise on Practical Astronomy 8vo, 



Gore's Elements of Geodesy 8vo, 



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



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



* Michie and Harlow's Practical Astronomy 8vo, 



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



BOTANY. 



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



z6mo, morocco, i 25 



Thome and Bennett's Structural and Physiological Botany i6mo, 2 23 



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



CHEMISTRY, 



Adriance's Laboratory Calculations and Specific Gravity Tables i2mo, ± 25 



Allen's Tables for Iron Analysis 8vo, 



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



Austen's Notes for Chemical Students i2mo, 



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



Molecule i2mo, 



Bolton's Quantitative Analysis 8vo. 



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



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



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

 Cohn's Indicators and Test-papers i2mo. 



Tests and Reagents , 8vo, 



Crafts's Short Course in Qualitative Chemical Analysis. (Schaeffer.). . . i2mo, 

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



Ende.) i2mo, 



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



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



Eissler's Modern High Explosives 8vo, 



Effront's Enzymes and their Applications. (Prescott.) 8vo, 



Erdmann's Introduction to Chemical Preparations. (Dunlap.) i2mo, 



3 



