May 30, 1890.] 



LOW-PRICED BOOKS. 



Any of the following low-priced books will be 

 mailed postpaid on receipt of price. 



SCIENCE BOOK AGENCY, 



47 Lafayette Place, New York. 



AGKICUtTlTKE. 



Agricultural Drainage. By J. B. Denton. 



SCIENCE. 



Animal Food Resou 



P. L. Sii 

 Armstrong's Agi 



5 of Different Nation 



British Wild-Flowers Considered in Relation to 

 Insects By --ir John Lubboct: 



Coffee and Chiccory By P. L ^immonds. 12°. 



Diseases of Field and Garden Crops, chiefly such 

 as are caused by Fungi. By W. G. Smith. 

 16° 



Flowf.rs, Fruits, and Leaves. By Sir John Lub- 



FLOWERS.The'Coiours of. " Bv Grant Allen. 12" 



Fruits, Selected : Their Culture, Propagation, 

 and Management in the Garden and Orchard. 

 By C. Downing, ij" 



Gardeni.ng for Ladies, and Companion to the 

 Flower-iSarden By Mrs. J. C. Loudon. i^°. 



Hops : Cultivation, Commerce, and Uses. By P. 

 L. Simnonds. 12° 



Horticulture. The Theory of ; or. An Attempt 

 to explain Gardening upon Physiological Prin- 

 ciples. By J. Lindley and A. J. Downing 



Sewage Irriga 



8° 



Sewage Uliliz 



nds. 



by Farmers. By R. W. Birch. 

 By'p.L. 



JRF, the ?tepping-St( 



Ihoraas Mitchell. 18° 



BoiLKR and Water Pipes, Kitchen. 



AKCHITECXUKE AND BUIIiDING 

 CO.NSXBCCTION. 



Architecturf, the Stepping-Stone to. By 



3y'H."Grim- 



BuiLDlNG Construction. By Edward J. Burrell. 



Chimneys for Furnaces, Fireplaces, and Steam- 



Boilers. By K. Armstnng. C.E. 18° 



Cooking Range, The. By F. Dye. 12° 



Fires in Theatres. By E M. Shaw. I2» 



Gas Fitter's Guide. By J. Eldndge. 12° 



Hot-Wati-r Apparatus, Fitting. By F Dye 12° i 

 Hot-Watek Apparatus, Fixing. By J. Eldridge. 



Hot-Water Fitting and Steam Cooking Appa- 

 ratus. By F. Dye. if.° 



Pump Fitter's Guide. By J. Elilndge. 12° 



Strength of Beams under Transverse Loads. By 

 Professor W. Allan. 18° 



Ventilation of American Dwellings. By David 

 Boswell Reid, M.D. 12° ; 



Ventilation of Buildings. By W. F. Butler. 18° 



ASTKONOMY AND NAVIGATION. 



Astronomy for Beginners. Bv Francis Fellowes. 



i6° 



Astronomy, Lessons in Elementary. By R. A. 



nical Analysis. By T. E. 



QUANTITATIV 



Thorpe. 18"., 



Tables for the Analysis of a Simple Salt for Use 

 in School Laboratories. ByA. Vinter. B° 



EDUCATION. 



British and American Education. By Mayo W. 



Hazeltine. 32° 9 



Culturh of the Observing Faculties. By Rev. 



Wairen Burton. 16° 



LlBR'-RV, The By A. Lang. With a Chapter on 



Modern Illustrated Hooks, by Austin Dobson. 



Mahaffy's Old Greek Education. .6° 



Manche.^tfr Science Lectures for the People 



Overpressure in High Schools in Denmark. By 



Dr. Hertel 



Seeing and Thinking. By W. K. Clifford 



Spelling Reform from an Educational Point of 



View. By J. H. Gladstone.... 



Alte 



Cu 



EliECTRICITY. 



rrent Machinery. By G. Kapp. 



Chemistry of the Secondary Batteries of Plante 



and Faure By J. H. Gladstone and A. Tribe. 

 Dynamic Kleciricity. By John Hopkinson, J. A. 



Schoolbred. and R. E. Day. 18° 



Dyn hio-Electkic Machines, Recent Progress in. 



By Professor Sylvaniis P. Thompson. 18° 



Electric Bells By F. C. Allsop. 12° 



Electric Lighting from Central Stations. By G. 



Forbes 



Elkctricitv, Supply of, by Local Authorities. 



By K. Hedges. 8° 



Electru-Magnhtic Telegraph. A Hand-Book of 



the. By A E Loring. 18° 



Electro-Magnets. By'Th. Du Moncel. Tr. by 



C.J.Wharton 



Electro-Telegraphy. By F. S. Beecher. 16°.. 

 Incandescent Electric Lights, with Particular 



Reference to the Kdison Lamps at the raris 



E.xhibition. By Comte Th. Du IVloncel. W. 



H Preece. T. W. Howell, and others. 18°.... 

 Induction Co ls : How Made and How Used. 



18° 



Conductors. 



Hours with a Three-Inch Telescope. By Capt. 

 Widiam Noble. S° .. 



Magnetism and the Deviation of the Compass, 

 By John .VIerrifield. 18° 



Navigation. A I're itise on for the Use of Stu- 

 dents. By John Merrilicld. 12° 



Se.a-Rout>^s, The Shortest, and Maps for finding 

 them in a Few Seconds (Great-Circle Sailing). 

 Bv R. A. Proctor. 4° 



Student's Atlas, The. By R. A. Proctor. 8° . . . 



Exp 



CHEMISTRY. 



Chemistry for Junior Students 



By J. E. Reyn 



Part I. Introductiry 



Part 1 1. Non-Metals 



PartTIl. Metals 



Part IV. Chemistry of Carbon Compounds, or 



Organic Cliemistry 



Faraday's Chemistry of a Candle. 16° 



Practical Chemistry ; the Principles of Qualita- 

 tive Analysis By William A. Tilden. S».. . . 

 Practical Inorganic Chemistry, An Introduction 

 to ; or The Principles of An .lysis. By William 



PRACrrcAL Organic Analysis, An Introduction to. 



By George E. R. Elhs. S° 



Qualitative Analysis and Labor.itory Practice, 

 ■ ' By T. E. Thorpe and M. M. Pat- 



.Muii 



Qualitative: Chemical Analysis, A Short Course 

 in. By Profess ir I. M. Crafts and Professor 

 Ch irles A. Schacffer. 12° 



Qualitative Chemical Analysis. An Elementary 

 Manual of. By Maurice Perkins. 12'= 



Quantitative Analysis. By H. Carrington Bol- 



Ron 



nel Centres. By John B. Mc 



Gases 



dth in Coal-Mil 



By J. J. Atkin- 



rreaVise' on the 

 of. By John L. 



18° 



Stre GTH and Diameter of Ele 



By G, Forbes. 8° 



Tei-restrial Magnetism and the Magnetism of 



Iron Vessels. By Professor Fairman Rogers. 



18° 



Thermo-Electricitv. Bv a. Rust. 8* 



Wrinkles in Electric Lighting. By V. Stephens. 



ENGINEERING. 



Actual Lateral Pressure of Earthwork, The. By 

 Benjamin Baker. 18° 



Arches, Theory of. By Professor W. Allan. 18° 



Arches. Theory of Solid and Braced. By William 

 Cain, C E. 18° 



Beams and Girders. Practical Formulas for their 

 Resistance. By P. H. Philbrick. 18° 



Bon.-R Incru-tation and Corrosion. By F. J. 



Railroad Economics; or. Notes, with Comments. 



By S W. Robinson, C.E. 18° 



Retaining Walls. Surcharged and Different Forms 



of. By James S. Tate, C.E. 18° i 



SafE'Y Valves. By Richard H. Buei, C.E. 18° 

 Skew Arches. By Professor E. W. Hyde, C.E. 



Ulus. 18° 



Stadia Surveying. The Theory of Stadia Meas. 



urements. By Arthur Winslow 18° 



STEAM-Boilor Explosions. Ry Zerah Colburn. 18° 

 Engine Indicator, The, and its Use. By 



W. K. LeVan. 

 SAM Injectors. ' 

 Pochet. 



from the French of M. Leon 



Storage Reservoirs, On the Designing and Con- 

 struciion of. By Arthur Jacob, A. H. 18° ... 



Strength of Materials. By William Kent, C.E. 

 18° . . : 



Strength of Wrought-Iron Bridge Members. By 

 S. W Robinson, C E. 18° 



Testing-Machines, their History. Construction, 

 and Use. By Arthur V. Abbott. 18° 



Theoky of the Gas-Engine, The. By Dugald 

 Clerk. 18° 



Topographical Surveying. By G. J. Specht, 

 Professor A, S Hardy, John B. McMaster, 

 and H. F. Walling. 18° 



Transmission of Power by Compressed Air. By 

 Robert Zahner, M E iS° 



Transmission of Power by Wire Ropes 



bert W. Stahl, U.S.N. 18° 



Turbine Wheels. By Professor W. P. Trow- 

 b.idge. 18° 



Ventilation of Coal-Mines, The. By W. Fair- 

 ley, M.E. 18° , 



VoussoiR Arches. A Theory of. By Professor W. 

 E. Cain. 18°... 



Voussoii 



By Al- 



Bridge and Tui 

 Master. C E. 



Bridges. On the Theory and Calculation of Con- 

 tinuous By Mansfield Merriman. Ph.D. 18° 



Bridges, Praciicjl Treatise on the Properties of 

 Continuous. By Charles Bender, C.E. 18°.. 



Cable-Making of Suspension Bridges By W. 

 Hildenbr.md, C.E. iS° 



Compound Engines. Tr. from the French of A. 

 Malrt. iS° 



Flow of Water in Open Channels, Pipes, Conduits, 

 Sewers, etc : with tables By P. J. Fiynn, 

 C E. 180 ; 



Foundations. By Pr fessor Jules Gaudard, C.E. 

 Tr. from the French. ib° 



Friction of Air in Mines. By J. J. Atkinson. 

 18° 



Fuel. By C. William Siemens, D.C L ; to which 

 is appended the Value of Artificial Fuel as 

 compared with Coal, by John Wormald, C.E. 



Helicoidal Oblique Arche 



Theory ot the i onstruct 



Culley, C E. ig° 



High Masonry Dams. By John B. McMaster, 



How "to draw a Straight Line ': ' A Lecture on Link- 

 ages. Bv A. B. Kempe 



Ice-Making Machines. From the French of M. 

 Le Doux. 1 8*^ 



Kinematics oI Machinery. By Professor Ken- 

 nedy. Wiih an Introduction by Professor R. 

 H. I'hurston iS" 



LiNKAGi-s; the Uifferent Forms and Uses of Ar- 

 ticulated Links. By J. D. C. De Roos. 18°.. 



Maximum Stresses in Framed Bridges. By Pro- 

 fessor W lliam Cain, C. E. 18° 



iIetals and their Chief Industrial Applications. 

 ByC. R. A.Wright 



Metals, The Fatigue of, under Repeated Strains. 

 Fro n the German of Professor Ludwig Spang- 

 enburgh,witn a Preface by S. H Shreve, A..M. 



Plate Girder Construction By Isami Hiroi. 18° 

 igning of Retaining Walls. By 



Arthur Jacob A.K. 18° 



portions of Pins used in Bridges. By Charles 

 Bender, C.E. 18° 



applied to Stone Bridges, Tun- 

 nels, Culverts, and Domes. By Professor 



William Cain, if . 



Wheels, A Practical Treatise on the Teeth of. 

 By Professor S. W. Robinson. ib° 



MISCEIiI/ANEOUS. 



Graphic Method for solving Certain Algebraic 

 Equations. By Professor George L. Vose. 18° 



Lfahv's The Art of Swimming in ihe Eton Style. 



Life History Album By Fran.is Galton 4° ... 



Life of Faraday. By J. H, Gladstone. 16° 



Polarisation of Light. By W. Spottiswoode. . . 



Record of Family Faculties. By Francis Galton. 

 4° 



Streeter's Great Diamonds of the World. 4° . . . 



NATURAI. HISTORY. 



Chapters on Ants. By Mary Treat. 52° 



Colours of Flowers, On the. As Illustrated in 



the British Flora. By Grant Allen 



Common Frog. The. By St George Mivart 



Darwin, Charles. Memorial Notices reprinted 



from " Nature." By Professor Huxley 



SANITARY SCIENCE. 



We Breathe, the, and Ventilation. By Pro- 



L. Mott. 16° 



rid How to Test them. By R. H. 



iS and Sloppy Streets. By h! P. 



fesi 



andP 



EOf I 



t Air. By T Rowan. 8°.. 



By J. Phillips. 8° 



>USES : I'heir Sanitary Construction 

 gements. By Professor W. H. Cor- 



1 Henry Flower. 



and A 

 field 

 I ASHlON in Deformity. By Will: 



Food. 'T'he Composition, Digestibilily, and Nu- 

 tritive Value of. By Professor Henry A. 

 Mott 



Health, The Laws of. By W. H. Corfield. 8°.. 



Health-Science, A Manual of. By Andrew Wil- 



Healthy Founda 



16° 



ions for Houses. 

 Hoiise.' " By H. 



By Glenn 

 '.Boulnois. 



P. Ge 



linage and Sanitaiy Plumbing. By W. 



rhard. 18° 



Management of Children in Health 

 and Disease. By Dr. Thomas Bull. 12°. . . . 



EUMATIC Drainage. By A. Smith. 8° 



table Water and the Different Methods of de- 

 tecting Impurities. By Charles VV. Folkard. 



Sanitary Condition of D, veiling-Houses in Town 

 and Country. By George E. Waring, jun. 18°. 



Sanitary Drainage of Buildings. Notes embodying 

 Recent Practice in. with Memorand • on the 

 Cost of Plumbing Work. By W. P. Gerhard, 



Sanitary Protection.' By W.'PaViy.' "l°. '.'!'.!!!'. ' 

 Sanitary Works Abroad. By R. M inning. 8°.. 

 Sanitation. Simplicity in. By E. T. Blake. 8°. 

 Sewage. Disposal of. By Maxwell and Tuke. 8°. 

 Sewer Gases: Their Nature and Origin. By A. 



De Varona. 18° 



Sewerage and Sewage Utilization. By Professor 



W. H. Corfield. 18° 



Shone Sewernge System. By E. Ault. 8° 



Storage of Water. By J. B. Denton. 8° 



Ventilation, Mechanics of. By George W. Raf- 



Water and Water Supply. By Professor W. H. 

 Corfield. 18° 



