September 19, 1890.] 



SCIENCE. 



LOW-PRICED BOOKS. 



Any of ihe following low-priced books will be 

 mailed postpaid on receipt of price. 



SCIENCE BOOK AGENCY, 



47 Lafayette Place, New York. 



AGKICXJI-TUKE. 



Agricultural Drainage. By J. B. Denton. 8". $1.20 

 Animal Food Resources of Different Nations. By 



P. L. Simmonds. 12° 100 



Armstrong's Agriculture. 18" -75 



British Wild-Flowers Considered in Relation to 



Insects. By Sir John Lubbock 1.25 



Coffee and Chiccory. By P. L. Simmonds. 12°. .75 

 Diseases of Field and Garden Crops, chiefly such 



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



,is° ___ 1.50 



By Sir John Lub- 



Flowers, Fruits, and Lea 



bock 



Flowers. The Colours of. 

 Fruits, Selected : Their 



and Management in th 



ByC.Downing. 12°.. ^ ■ -• 



Gardening for Ladies, and Companion to the 



Flower-Garden. By Mrs. J. C. Loudon. 12°. 

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



L. Sii 



By Grant Allen. 12° 

 Culture, Propagation, 

 e Garden and Orchard. 



EDUCATION. 



nd American Education. By Mayo W. 

 of the Observing Faculties. By Rev. 



, The. 



16°. 



Modi 



Mahaff' 



MaNCHE: 



By A. Lang. With a Chapter on 

 rn Illustrated Books, by Austin Dobson. 



's Old Greek Education. 16° 



ter Science Lectures for the People. . . . 

 3SURE in High Schools in Denmark. By 



SING and Thinking. 

 iLLlNG Reform froi 

 View. By J. H. Gladstone. 



Alte 



EI<ECTKICITV. 



irrent Machinery. By G. 





Horticulture, The Theory of ; or. An Attempt 

 to explain Gardening upon Physiological Prin- 

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



SEWAGElrrigation by Farmers. By R. W. Birch. 



onds. 



• 25 



AKCHITECTCTRE ANB BUII,DING 

 CONSXRCCTIOIV. 



Architecture, the Stepping-Stone to. By 



Thomas Mitchell. 18° 51 



Boiler and Water Pipes, Kitchen. By H. Grim- 



shaw. 8° 4' 



Building Construction. By Edward J. Burrell. 



„o 8i 



Chimneys for Furnaces, Fireplaces, and Steam- 



Boilers. By R. Armstrong. C.E. 18° 5' 



Cooking Range, The. By F. Dye. 12° 2' 



Fires in Theatres. By E. M. Shaw. iz° 1.2 



Gas Fitter's Guide. By J. Eldiidge. 12° 4 



Hot-Wathr Apparatus, Fitting. By F. Dye 12° i.o 

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



Chemistry of the Secondary Batteries of I'lante 



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

 Dynamic Eleciricity. By John Hopklnson, J. A. 



Schoolbred, and R. E. Day. 18° 



Dynamo-Electric Machines, Recent Progress in. 



By Professor Sylvanus P. Thompson. 18° ... . 



Electric Bells. By F. C. Allsop. 12° 



Electric Lighting from Central Stations. By G. 



Forbes ...•■■ 



Elpctricity, Supply of, by Local Authorities. 



By K. Hedges. 8° 



Electro-Magnetic 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 Edison Lamps at the faris 



Exhibition. By Comte Th. Du Moncel, W. 



H. Preece, J. W. Howell.. and others. i8"'.... 

 Induction Coils : How Made and How Used. 



Iding for Amateurs. By 



18° 



n and the M 

 By Professor Fairman Rogei 



Practical Dynamo-B 

 Frederick Walker. 

 TEfRESTRlAL Magnetism and the Magni 



Wrii 



o-Electricity. By a. Rust. 8° 



LES in Electric Lighting. By V. Stephens. 



STEAM-Boilor Explosions. Ry Zerah Colburn. i&° f 



Stham-Engine Indicator, The, and its Use. By 

 W. H. LeVan. 18° 



Sieam Injectors. Tr. from the French of M. Leon 

 Pochet. 18° 



Storage Re.servoirs, On the Designing and Con- 

 struction 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° 



Theory of the Gas-Engine, The. By Dugald 



Clerk. 



Surveying. By G. J. Specht 

 fessor A. S. Hardy, John B. McMaster 



By 



oking Appa- 



"By 



Hot-Water Fitting and Ste; 



ratus. By F. Dye. 16° 



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

 Strength of Beams under Transverse Loads 



Professor W. Allan. 18° ■.... 



Ventilation of American Dwellings. By David 



Boswell Reid, M.D. 12° i 



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



ASTKONOMV AND NAVIGATION. 



Astronomy for Beginners. Bv Francis Fellowes. 



16° 



Astronomy, Lesions in Elementary. By R. A. 



Proctor. 8° 



Hours with a Three-Inch Telescope. By Capt. 



William Noble. S°...... i 



Magnetism and the Deviation of the Compass, 



By John Merrifield. 18° 



Navigation, A Treatise on. for the Use of Stu- 

 dents. By John Merrifield. 12° 1 



Sea-Routfs, 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° . . . 1 



CHEiniSXRY. 



Lecture Notes. By Peter T. Austen. 



Students. 



By John B. Mc- 



ENGINEERING. 



Actual Lateral Pressure of Earthwork, The 

 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° 



Boiler Incrustation and Corrosion. By F. J. 

 Rowan. 18° 



Bridge and Tunnel Ce 

 Master. C.E. 18°.... 



Bridges, On the Theory and Calculation of Con- 

 tinuous. By Mansfield Merriman, Ph.D. 18° 



Bridges, Practical Treatise on the Properties of 

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



Cable-Making of Suspension Bridges- By W. 

 Hildenbrand, C.E. 18° 



Compound Engines. Tr. from the French of A. 

 Mallet. 18° ; . 



Flow of Water in Open Channels, Pipes, Conduits, 

 Sewers, etc ; with Tables By P. J. Flynn, 

 C.E. iS" 



Foundations. By Pr'ifeEsor Jules Gaudard, C.E. 

 Tr. from the French. i&° 



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

 iS° 



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. 



and H. F. Walling. 



Transmission of Power by Compressed Air. By 

 Robert Zahner, M.E 18° 



Transmission of Power by Wire Ropes. By Al- 

 bert W. Stahl, U.S.N. 18° 



Turbine Wheels, By Professor W. P. Trow- 

 biidge. 18° 



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

 ley, M.E. 18° 



VoussoiR Arches, A Theory of. By Professor W. 



E. Ca 



Voussoir Arches applied to Stone Bridges, Tun- 

 nels, Culverts, and Domes. By Professor 

 William Cain. ib° 



Wheels, A Practical Treatise on the Teeth of. 

 By Professor S. W. Robinson. 18° 



MISCELIiANEOrS. 



Graphic Method for solving Certain Algebraic 



Equations, By Professor George L. Vose. 18* 



Leahy's The Art of Swimming in the Eton Style. 



Life History Album By Francis Gallon. 4°.... 



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



Polarisation of Light. Ry W. Spottiswoode. . . 

 Record of Family Faculties. By Francis Gallon. 



Stre 



;Gr, 



:Di; 



nds of the World. .j4° . . . 



Chemk 



Experimental Chemistry for J 

 By J. E. Reynolds. 



Part I. Introductory 45 



Part II. Non-Metals .75 



Part III. Metals 1.05 



Part IV. Chemistry of Carbon Compounds, or 



Organic Chemistry 1.20 



Faraday's Chemistry of a Candle. 16° 85 



Organic Chemistry, Introduction to the Study of. 

 By Adolph Pinner. Tr. and Rev. by Peter T. 



Austen. 12" 1.50 



Practical Chemistry ; the Principles of Qualita- 

 tive Analysis By William A. Tilden. 8° 45 



Practical Inorganic Chemistry, An Introduction 

 to ; or The Principles of Analysis. By William 



Jago. f° 45 



Practical Organic Analysis. An Introduction to. 



By George E. R. Ellis. 8° 50 



Qualitative Analysis and Laboratory Practice, 

 Manual of. By T. E. Thorpe and M. M. Pat- 



Gases 



■ith 



1 Muii 



Qualitative Chemical Analysis, A Short Course 

 in. By Professor I. M. Crafts and Professor 

 Charles A. Schaeffer. 12° 



Qualitative Chemical Analysis, An Elementary 

 Manual of. By Maurice Perkins. 12** 



Quantitative Analysis. By H. Carrington Bol- 

 ton. 8° 



By T. E. 



■25 



Quantitative Chemical Analysis. 



Thorpe. 18° 



Tables for the Analysis of a Simple Salt for Usi 



in School Laboratories. By A. Vinter. 8" , . . 



Coal-Mines. By J. J. Atkin- 

 son. 18° 



Helicoidal Oblique Arches, Treatise on the 

 Theory of the Construction of. By John L. 



Culley, C E. 18° 



High Masonry Dams. By John B. McMaster, 

 C.E 18° 



How to draw a Straight Line ; A Lecture on Link- 

 ages. By A. B. Kempe 



Ice-Making Machines. From the French of M. 

 Le Doux. 18° 



Kinematics of Machinery. By Professor Ken- 

 nedy. Wiih an Introduction by Professor R. 

 H.Thurston. 18" 



Linkages ; the Different Forms and Uses of Ar- 

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



Maximum Stresses in Framed Bridges. By Pro- 

 fessor William Cain, C.E. 18° 



Metals and their Chief Industrial Applications. 

 By C. R. A. Wright 



Metals, The Fatigue of, under Repeated Strains. 

 Fro n the German of Professor Ludwig Spang- 

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

 18° 



Plate Girder Construction. By Isami Hiroi. 18° 



Practical Designing of Retaining Walls By 

 Arthur Jacob. A. B. 18" 



Proportions of Pins used in Bridges. By Charles 

 Bender.C.E. 18° 



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° 



Safe- y Valves. By Richard H. Buel, C.E. 18° 



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

 Illus. 18° 



Stadia Surveying. The Theory of Stadia Meas- 

 urement-. By Arthur Winslow. 18° 



NATURAL, HISTORY. 



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 



Degeneration. By E. Ray Lankester 



Essays Selected from Lay Sermons, Addresses, and 



Reviews. By G. H. H uxley, LL.D 



Griscom's Animal Mechanism. 18° 



Origin and Metamorphoses of Insects, On the. By 



Sir John Lubbock 



Rennie's Natural History of the Elephant. 18°.. 

 Rennie's N-tural History of Quadrupeds. 18° . . . 

 Scientific Evidences of Organic Evolution. By 



G. J.Romanes 



TALESof the Birds. By W. Warde Fowler 



Year with the Birds, A. By W. Warde Fowler. . . 



SANITARY SCIENCE. 



d Ventilation. By Pro- 



6° 



Test them. By R. H. 



d'sioppy Streets. 'By h! P. 



Dii 



We Breathe, the, 

 fessor H. A. Mott. 

 I Drains, and How 

 Reeves. 

 TV Dust 



Disease and Putrescent Air. By T Rowan. 8°.. 



Drainage of Towns. By J. Phillips. 8° 



DwELLlNG-HousES : Their Sanitary Construction 

 and Arrangements. By Profesior W. H. Cor- 

 field 18° 



Fashion in Deformity. By William Henry Flower. 



Food. The Composition, Digestibility, and Nu- 

 tritive Value of. By Professor Henry A. 

 Molt 



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



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



Healthv Foundations for Houses. By Glenn 

 Brown. 18° -■ 



Hints on taking a House. By H. P. Boulnois. 

 16° 



House Drainage and Sanitary Plumbing. By W. 

 P.Gerhard. 18° 



Maternal Management of Children in Health 

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



Pneumatic Drainage. By A. Smith. 8° 



Potable Water and the Different Methods of de- 

 tecting Impurities. By Charles W. Folkard. 

 18° 



Sanitary Condition of Dwelling-Houses in Town 

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



Sanitary Drainage of Buildings, Notes embodying 

 Recent Practice in. with Memorand 1 on the 

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



Sanitary Protection. By W. Parry. 8° 



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

 Sanitation, Simplicity in. By E. T. Blake, i" . 

 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 Sewerage 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. iS° 



