• Walke's Lectures on Explosives gvo 4 00 



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



Winthrop's Abridgment of Military Law i2mo, 2 so 



WoodhuU's Notes on Military Hygiene i6mo, • i 50 



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



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



ASSAYING. 

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



i2mo, morocco, 



Furman's Manual of Practical Assaying 8vo, 



Miller's Manual of Assaying i2mo, 



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



Hicketts and Miller's Notes on Assaying 8vo, 



Ulke's Modern Electrolytic Copper Refining 8vo, 



Wilson's Cyanide Processes i2mo, 



Chlorination Process lamo, 



ASTRONOMY. 



Comstock's Field Astronomy for Engineers 8vo, 



Craig's Azimuth 4to, 



Doolittle's Treatise on Practical Astronomy 8vo, 



Gore's Elements of Geodesy 8vo, 



Hayf ord's Text-book of Geodetic Astronomy 8vo, 



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



• Michie and Harlow's Practical Astronomy Svo, 



♦ White's Elements of Theoretical and Descriptive Astronomy i2mo, 



BOTANY. 

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



idmo, morocco, i 25 



Thom^ and Bennett's Structural and Physiological Botany i6mo, z 25 



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



CHEMISTRY. 



^driance's Laboratory Calculations and Specific Gravity Tables i2mo, i 25 



Allen's Tables for Iron Analysis 8vo, 3 00 



Arnold's Compendium of Chemistry. (Mandel.) Small Svo, 3 so 



Austen's Notes for Chemical Students i2mo, i 50 



* Austen and Langworthy. The Occurrence pf Aluminium in Vegetable 



Products, Animal Products, and Naturr .1 Waters Svo, 2 00 



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



Molecule i2mo, 2 so 



Bolton's Quantitative Analysis Svo, i 50 



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



Brush and Peufield's Manual of Determinative Mineralogy Svo, 4 00 



Classen's Quantitative Chemical Analysis by Ebctrolysis. (Boltwood.) Svo, 3 00 



Cohn's Indicators and Test-papers i2mo, 2 00 



Tests and Reagents / Svo, 3 00 



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



Craft's Short Course in Qualitative Chemical Analysis. (SchaefEer.) i2mo, i so 



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.) Svo, 4 00 



Eissler's Modern High Explosives Svo, 4 00 



Efiront's Enzymes and their Applications. (Prescott.) Svo, 3 00 



Brdmaim's Introduction to Chemical Preparations. (Dunlap.) izmo, i 25 



