Part II.--Systematic Pomology 12mo, 1 50

Downing’s Fruits and Fruit-trees of America 8vo, 5 00 Elliott’s Engineering for Land Drainage 12mo, 1 50 Practical Farm Drainage 12mo, 1 00 Green’s Principles of American Forestry 12mo, 1 50 Grotenfelt’s Principles of Modern Dairy Practice. (Woll.) 12mo, 2 00 Kemp’s Landscape Gardening 12mo, 2 50 Maynard’s Landscape Gardening as Applied to Home Decoration 12mo, 1 50 Sanderson’s Insects Injurious to Staple Crops 12mo, 1 50 Insects Injurious to Garden Crops. (_In preparation._) Insects Injuring Fruits. (_In preparation._) Stockbridge’s Rocks and Soils 8vo, 2 50 Woll’s Handbook for Farmers and Dairymen 16mo, 1 50

=ARCHITECTURE.=

Baldwin’s Steam Heating for Buildings 12mo, 2 50 Berg’s Buildings and Structures of American Railroads 4to, 5 00 Birkmire’s Planning and Construction of American Theatres 8vo, 3 00 Architectural Iron and Steel 8vo, 3 50 Compound Riveted Girders as Applied in Buildings 8vo, 2 00 Planning and Construction of High Office Buildings 8vo, 3 50 Skeleton Construction in Buildings 8vo, 3 00 Briggs’s Modern American School Buildings 8vo, 4 00 Carpenter’s Heating and Ventilating of Buildings 8vo, 4 00 Freitag’s Architectural Engineering. 2d Edition, Rewritten 8vo, 3 50 Fireproofing of Steel Buildings 8vo, 2 50 French and Ives’s Stereotomy 8vo, 2 50 Gerhard’s Guide to Sanitary House-inspection 16mo, 1 00 Theatre Fires and Panics 12mo, 1 50 Holly’s Carpenters’ and Joiners’ Handbook 18mo, 0 75 Johnson’s Statics by Algebraic and Graphic Methods 8vo, 2 00 Kidder’s Architect’s and Builder’s Pocket-book. Rewritten Edition. 16mo, morocco, 5 00 Merrill’s Stones for Building and Decoration 8vo, 5 00 Monckton’s Stair-building 4to, 4 00 Patton’s Practical Treatise on Foundations 8vo, 5 00 Peabody’s Naval Architecture 8vo, 7 50 Siebert and Biggin’s Modern Stone-cutting and Masonry 8vo, 1 50 Snow’s Principal Species of Wood 8vo, 3 50 Sondericker’s Graphic Statics with Applications to Trusses, Beams, and Arches. 8vo, 2 00 Wait’s Engineering and Architectural Jurisprudence 8vo, 6 00 Sheep, 6 50 Law of Operations Preliminary to Construction in Engineering and Architecture 8vo, 5 00 Sheep, 5 50 Law of Contracts 8vo, 3 00 Wood’s Rustless Coatings: Corrosion and Electrolysis of Iron and Steel 8vo, 4 00 Woodbury’s Fire Protection of Mills 8vo, 2 50 Worcester and Atkinson’s Small Hospitals, Establishment and Maintenance, Suggestions for Hospital Architecture, with Plans for a Small Hospital. 12mo, 1 25 The World’s Columbian Exposition of 1893 Large 4to, 1 00

=ARMY AND NAVY.=

Bernadou’s Smokeless Powder, Nitro-cellulose, and the Theory of the Cellulose Molecule 12mo, 2 50 *Bruff’s Text-book Ordnance and Gunnery 8vo, 6 00 Chase’s Screw Propellers and Marine Propulsion 8vo, 3 00 Craig’s Azimuth 4to, 3 50 Crehore and Squire’s Polarizing Photo-chronograph 8vo, 3 00 Cronkhite’s Gunnery for Non-commissioned Officers 24mo, morocco, 2 00 * Davis’s Elements of Law 8vo, 2 50 * Treatise on the Military Law of United States 8vo, 7 00 Sheep, 7 50 De Brack’s Cavalry Outpost Duties. (Carr.) 24mo, morocco, 2 00 Dietz’s Soldier’s First Aid Handbook 16mo, morocco, 1 25 * Dredge’s Modern French Artillery 4to, half morocco, 15 00 Durand’s Resistance and Propulsion of Ships 8vo, 5 00 * Dyer’s Handbook of Light Artillery 12mo, 3 00 Eissler’s Modern High Explosives 8vo, 4 00 * Fiebeger’s Text-book on Field Fortification Small 8vo, 2 00 Hamilton’s The Gunner’s Catechism 18mo, 1 00 * Hoff’s Elementary Naval Tactics 8vo, 1 50 Ingalls’s Handbook of Problems in Direct Fire 8vo, 4 00 * Ballistic Tables 8vo, 1 50 * Lyons’s Treatise on Electromagnetic Phenomena. Vols. I. and II. 8vo, each, 6 00 * Mahan’s Permanent Fortifications. (Mercur.) 8vo, half morocco, 7 50 Manual for Courts-martial 16mo, morocco, 1 50 * Mercur’s Attack of Fortified Places 12mo, 2 00 * Elements of the Art of War 8vo, 4 00 Metcalfe’s Cost of Manufactures--And the Administration of Workshops, Public and Private 8vo, 5 00 * Ordnance and Gunnery. 2 vols. 12mo, 5 00 Murray’s Infantry Drill Regulations 18mo, paper, 10 Peabody’s Naval Architecture 8vo, 7 50 * Phelps’s Practical Marine Surveying 8vo, 2 50 Powell’s Army Officer’s Examiner 12mo, 4 00 Sharpe’s Art of Subsisting Armies in War 18mo, morocco, 1 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 12mo, 2 50 Woodhull’s Notes on Military Hygiene 16mo, 1 50 Young’s Simple Elements of Navigation 16mo, morocco, 1 00 Second Edition, Enlarged and Revised 16mo, morocco, 2 00

=ASSAYING.=

Fletcher’s Practical Instructions in Quantitative Assaying with the Blowpipe. 12mo, morocco, 1 50 Furman’s Manual of Practical Assaying 8vo, 3 00 Miller’s Manual of Assaying 12mo, 1 00 O’Driscoll’s Notes on the Treatment of Gold Ores 8vo, 2 00 Ricketts and Miller’s Notes on Assaying 8vo, 3 00 Ulke’s Modern Electrolytic Copper Refining 8vo, 3 00 Wilson’s Cyanide Processes 12mo, 1 50 Chlorination Process 12mo, 1 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 12mo, 2 00

=BOTANY.=

Davenport’s Statistical Methods, with Special Reference to Biological Variation. 16mo, morocco, 1 25 Thomé and Bennett’s Structural and Physiological Botany 16mo, 2 25 Westermaier’s Compendium of General Botany. (Schneider.) 8vo, 2 00

=CHEMISTRY.=

Adriance’s Laboratory Calculations and Specific Gravity Tables 12mo, 1 25 Allen’s Tables for Iron Analysis 8vo, 3 00 Arnold’s Compendium of Chemistry. (Mandel.) Small 8vo, 3 50 Austen’s Notes for Chemical Students 12mo, 1 50 * Austen and Langworthy. The Occurrence of Aluminium in Vegetable Products, Animal Products, and Natural Waters 8vo, 2 00 Bernadou’s Smokeless Powder.--Nitro-cellulose, and Theory of the Cellulose Molecule 12mo, 2 50 Bolton’s Quantitative Analysis 8vo, 1 50 * Browning’s Introduction to the Rarer Elements 8vo, 1 50 Brush and Penfield’s Manual of Determinative Mineralogy 8vo, 4 00 Classen’s Quantitative Chemical Analysis by Electrolysis. (Boltwood.) 8vo, 3 00 Cohn’s Indicators and Test-papers 12mo, 2 00 Tests and Reagents 8vo, 3 00 Copeland’s Manual of Bacteriology. (_In preparation._) Craft’s Short Course in Qualitative Chemical Analysis. (Schaeffer.) 12mo, 1 50 Dolezalek’s Theory of the Lead Accumulator (Storage Battery). (Von Ende) 12mo, 2 50 Drechsel’s Chemical Reactions. (Merrill.) 12mo, 1 25 Duhem’s Thermodynamics and Chemistry. (Burgess.) 8vo, 4 00 Eissler’s Modern High Explosives 8vo, 4 00 Effront’s Enzymes and their Applications. (Prescott.) 8vo, 3 00 Erdmann’s Introduction to Chemical Preparations. (Dunlap.) 12mo, 1 25 Fletcher’s Practical Instructions in Quantitative Assaying with the Blowpipe 12mo, morocco, 1 50 Fowler’s Sewage Works Analyses 12mo, 2 00 Fresenius’s Manual of Qualitative Chemical Analysis. (Wells.) 8vo, 5 00 Manual of Qualitative Chemical Analysis. Part I. Descriptive. (Wells.) 8vo, 3 00 System of Instruction in Quantitative Chemical Analysis. (Cohn.) 2 vols. 8vo, 12 50 Fuertes’s Water and Public Health 12mo, 1 50 Furman’s Manual of Practical Assaying 8vo, 3 00 Getman’s Exercises in Physical Chemistry 12mo, 2 00 Gill’s Gas and Fuel Analysis for Engineers 12mo, 1 25 Grotenfelt’s Principles of Modern Dairy Practice. (Woll.) 12mo, 2 00 Hammarsten’s Text-book of Physiological Chemistry. (Mandel.) 8vo, 4 00 Helm’s Principles of Mathematical Chemistry. (Morgan.) 12mo, 1 50 Hering’s Ready Reference Tables (Conversion Factors) 16mo, morocco, 2 50 Hinds’s Inorganic Chemistry 8vo, 3 00 * Laboratory Manual for Students 12mo, 75 Holleman’s Text-book of Inorganic Chemistry. (Cooper.) 8vo, 2 50 Text-book of Organic Chemistry. (Walker and Mott.) 8vo, 2 50 * Laboratory Manual of Organic Chemistry. (Walker.) 12mo, 1 00 Hopkins’s Oil-chemists’ Handbook 8vo, 3 00 Jackson’s Directions for Laboratory Work in Physiological Chemistry 8vo, 1 25 Keep’s Cast Iron 8vo, 2 50 Ladd’s Manual of Quantitative Chemical Analysis 12mo, 1 00 Landauer’s Spectrum Analysis. (Tingle.) 8vo, 3 00 Lassar-Cohn’s Practical Urinary Analysis. (Lorenz.) 12mo, 1 00 Leach’s The Inspection and Analysis of Food with Special Reference to State Control. (_In preparation._) Löb’s Electrolysis and Electrosynthesis of Organic Compounds. (Lorenz.) 12mo, 1 00 Mandel’s Handbook for Bio-chemical Laboratory 12mo, 1 50 * Martin’s Laboratory Guide to Qualitative Analysis with the Blowpipe 12mo, 60 Mason’s Water-supply. (Considered Principally from a Sanitary Standpoint.) 3d Edition, Rewritten 8vo, 4 00 Examination of Water. (Chemical and Bacteriological.) 12mo, 1 25 Meyer’s Determination of Radicles in Carbon Compounds. (Tingle.) 12mo, 1 00 Miller’s Manual of Assaying 12mo, 1 00 Mixter’s Elementary Text-book of Chemistry 12mo, 1 50 Morgan’s Outline of Theory of Solution and its Results 12mo, 1 00 Elements of Physical Chemistry 12mo, 2 00 Morse’s Calculations used in Cane-sugar Factories 16mo, morocco, 1 50 Mulliken’s General Method for the Identification of Pure Organic Compounds. Vol. I. Large 8vo, 5 00 Nichols’s Water-supply. (Considered mainly from a Chemical and Sanitary Standpoint, 1883.) 8vo, 2 50 O’Brine’s Laboratory Guide in Chemical Analysis 8vo, 2 00 O’Driscoll’s Notes on the Treatment of Gold Ores 8vo, 2 00 Ost and Kolbeck’s Text-book of Chemical Technology. (Lorenz-Bozart.) (_In preparation._) Ostwald’s School of Chemistry. Part One. (Ramsey.) (_In press._) * Penfield’s Notes on Determinative Mineralogy and Record of Mineral Tests. 8vo, paper, 50 Pictet’s The Alkaloids and their Chemical Constitution. (Biddle.) 8vo, 5 00 Pinner’s Introduction to Organic Chemistry. (Austen.) 12mo, 1 50 Poole’s Calorific Power of Fuels 8vo, 3 00 Prescott and Winslow’s Elements of Water Bacteriology, with Special Reference to Sanitary Water Analysis 12mo, 1 25 * Reisig’s Guide to Piece-dyeing 8vo, 25 00

Richards and Woodman’s Air, Water, and Food from a Sanitary Standpoint. 8vo, 2 00

Richards’s Cost of Living as Modified by Sanitary Science 12mo, 1 00 Cost of Food a Study in Dietaries 12mo, 1 00

* Richards and Williams’s The Dietary Computer 8vo, 1 50

Ricketts and Russell’s Skeleton Notes upon Inorganic Chemistry. (Part I.--Non-metallic Elements.) 8vo, morocco, 75

Ricketts and Miller’s Notes on Assaying 8vo, 3 00

Rideal’s Sewage and the Bacterial Purification of Sewage 8vo, 3 50 Disinfection and the Preservation of Food 8vo, 4 00

Ruddiman’s Incompatibilities in Prescriptions 8vo, 2 00

Sabin’s Industrial and Artistic Technology of Paints and Varnish. (In press.)

Salkowski’s Physiological and Pathological Chemistry. (Orndorff.) 8vo, 2 50

Schimpf’s Text-book of Volumetric Analysis 12mo, 2 50 Essentials of Volumetric Analysis 12mo, 1 25

Spencer’s Handbook for Chemists of Beet-sugar Houses 16mo, morocco, 3 00 Handbook for Sugar Manufacturers and their Chemists 16mo, morocco, 2 00

Stockbridge’s Rocks and Soils 8vo, 2 50

* Tillman’s Elementary Lessons in Heat 8vo, 1 50 * Descriptive General Chemistry 8vo, 3 00

Treadwell’s Qualitative Analysis. (Hall.) 8vo, 3 00 Quantitative Analysis. (Hall.) 8vo, 4 00

Turneaure and Russell’s Public Water-supplies 8vo, 5 00

Van Deventer’s Physical Chemistry for Beginners. (Boltwood.) 12mo, 1 50

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

Wassermann’s Immune Sera: Hæmolysins, Cytotoxins, and Precipitins. (Bolduan.) 12mo, 1 00

Wells’s Laboratory Guide in Qualitative Chemical Analysis 8vo, 1 50 Short Course in Inorganic Qualitative Chemical Analysis for Engineering Students 12mo, 1 50

Whipple’s Microscopy of Drinking-water 8vo, 3 50

Wiechmann’s Sugar Analysis Small 8vo, 2 50

Wilson’s Cyanide Processes 12mo, 1 50 Chlorination Process 12mo, 1 50

Wulling’s Elementary Course in Inorganic Pharmaceutical and Medical Chemistry 12mo, 2 00

=CIVIL ENGINEERING.=

=BRIDGES AND ROOFS. HYDRAULICS. MATERIALS OF ENGINEERING.= =RAILWAY ENGINEERING.=

Baker’s Engineers’ Surveying Instruments 12mo, 3 00

Bixby’s Graphical Computing Table Paper 19½×24¼ inches, 25

** Burr’s Ancient and Modern Engineering and the Isthmian Canal. (Postage, 27 cents additional.) 8vo, net, 3 50

Comstock’s Field Astronomy for Engineers 8vo, 2 50

Davis’s Elevation and Stadia Tables 8vo, 1 00

Elliott’s Engineering for Land Drainage 12mo, 1 50 Practical Farm Drainage 12mo, 1 00

Folwell’s Sewerage. (Designing and Maintenance.) 8vo, 3 00

Freitag’s Architectural Engineering. 2d Edition, Rewritten 8vo, 3 50

French and Ives’s Stereotomy 8vo, 2 50

Goodhue’s Municipal Improvements 12mo, 1 75

Goodrich’s Economic Disposal of Towns’ Refuse 8vo, 3 50

Gore’s Elements of Geodesy 8vo, 2 50

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

Hering’s Ready Reference Tables (Conversion Factors) 16mo, morocco, 2 50

Howe’s Retaining Walls for Earth 12mo, 1 25

Johnson’s Theory and Practice of Surveying Small 8vo, 4 00 Statics by Algebraic and Graphic Methods 8vo, 2 00

Kiersted’s Sewage Disposal 12mo, 1 25

Laplace’s Philosophical Essay on Probabilities. (Truscott and Emory.) 12mo, 2 00

Mahan’s Treatise on Civil Engineering. (1873.) (Wood.) 8vo, 5 00 * Descriptive Geometry 8vo, 1 50

Merriman’s Elements of Precise Surveying and Geodesy 8vo, 2 50 Elements of Sanitary Engineering 8vo, 2 00

Merriman and Brooks’s Handbook for Surveyors 16mo, morocco, 2 00

Nugent’s Plane Surveying 8vo, 3 50

Ogden’s Sewer Design 12mo, 2 00

Patton’s Treatise on Civil Engineering 8vo half leather, 7 50

Reed’s Topographical Drawing and Sketching 4to, 5 00

Rideal’s Sewage and the Bacterial Purification of Sewage 8vo, 3 50

Siebert and Biggin’s Modern Stone-cutting and Masonry 8vo, 1 50

Smith’s Manual of Topographical Drawing. (McMillan.) 8vo, 2 50

Sondericker’s Graphic Statics, with Applications to Trusses, Beams, and Arches 8vo, 2 00

* Trantwine’s Civil Engineer’s Pocket-book 16mo, morocco, 5 00

Wait’s Engineering and Architectural Jurisprudence 8vo, 6 00 Sheep, 6 50 Law of Operations Preliminary to Construction in Engineering and Architecture 8vo, 5 00 Sheep, 5 50

Law of Contracts 8vo, 3 00

Warren’s Stereotomy--Problems in Stone-cutting 8vo, 2 50

Webb’s Problems in the Use and Adjustment of Engineering Instruments. 16mo, morocco, 1 25

*Wheeler’s Elementary Course of Civil Engineering 8vo, 4 00

Wilson’s Topographic Surveying 8vo, 3 50

=BRIDGES AND ROOFS.=

Boller’s Practical Treatise on the Construction of Iron Highway Bridges 8vo, 2 00

* Thames River Bridge 4to, paper, 5 00

Burr’s Course on the Stresses in Bridges and Roof Trusses, Arched Ribs, and Suspension Bridges 8vo, 3 50

Du Bois’s Mechanics of Engineering. Vol. II Small 4to, 10 00

Foster’s Treatise on Wooden Trestle Bridges 4to, 5 00

Fowler’s Coffer-dam Process for Piers 8vo, 2 50

Greene’s Roof Trusses 8vo, 1 25 Bridge Trusses 8vo, 2 50 Arches in Wood, Iron, and Stone 8vo, 2 50

Howe’s Treatise on Arches 8vo, 4 00 Design of Simple Roof-trusses in Wood and Steel 8vo, 2 00

Johnson, Bryan, and Turneaure’s Theory and Practice in the Designing of Modern Framed Structures Small 4to, 10 00

Merriman and Jacoby’s Text-book on Roofs and Bridges: