SCIENCE.— AD VERTISEMENTS. 



Important Scientific Books Published 



On Botany, Biology, Chemistry, Mathematics, 



BAILEY.— Lessons with Plants. Sug- 

 gestions for Seeing and Interpret- 

 ing some of tlie Common Forms 

 of Vegetation. By L. H. Bailey, 

 Professor of Horticulture in Cor- 

 nell University. 401 pp., 446 illus 

 trations, half leather, i2mo, $1.10 



— The Evolution of Our Native Fruits 

 By L. H. Bailey, Professor o: 

 Horticulture in Cornell Univer. 

 sity. 485 pp., 125 illus., $2.00, 



THE GARDEN CRAFT SERIES. 



— Garden Making. Suggestions for 

 the Utilizing of Home Grounds. 

 By L. H. Bailey, aided by L. R. 

 Taft, F. a. Waugh and Frnest 

 Walker. 417 pp., 256 illus. $1.00. 



^The Pruning Book. A IMonograph 

 of the Pruning and Training of 

 Plants as Applied to American 

 Conditions. By L. H. Bailey, 

 Professor of Horticulture in Cor- 

 nell University. 



540 pp., 332 illustrations, $1.50. 



THE RURAL SCIENCE SERIES. 



— Bush Fruits. A Horticultural Mon- 

 ograph of Raspberries, Blackber- 

 ries, Dewberries, Currants, Goose- 

 berries and other Shrub-like 

 Fruits. By Fred W. Card, Pro- 

 fessor of Horticulture in Rhode 

 Island Agricultural College. 

 537 PP'> 113 illustrations, $1.50. 



— Fertilizers. The Source, Charac- 

 ter and Composition of Natural, 

 Home-made and Manufactured 

 Fertilizers ; and Suggestions as to 

 Their Use for Different Crops and 

 Conditions. By Edw.-^rd B.Voor- 

 HEES, Director of the New Jersey 

 Experiment Station and Profes- 

 sor of Agriculture in Rutgers Col- 

 lege. 335 pp. $1.00. 



STRASBURGER.— A Text-Book of 

 Botany. By Edward Stras- 

 BURGER, Fritz Noll, Heinrich 

 SCHENCK and A. F. W. Schim- 

 PER. Translated by H. C. Por- 

 ter, University of Pennsylvania. 

 With 594 illustrations, in part 

 colored. Cloth, 8vo. $4.50 net. 

 Also in 2 vols. 

 Part I. General Botany. $2.50. 

 Part II. Special Botany. $2.50. 



VINES.— An Elementary Text-Book 

 of Botany. By Sidney H. Vines, 

 M.A., D Sc, F.R.S., Professor of 

 Botany in the University of Ox- 

 ford. With 397 illustrations. 

 8vo, cloth, pp. 611. $2.25 ?;<?/. 



MILLS.— The Nature and Develop- 

 ment of Animal Intelligence. By 

 Wesley Mills, M.D., Professor 

 of Physiology in McGill Univer- 

 sity, Montreal, Author of "Com- 



parative Physiology," etc. Svo, 

 cloth, pp. 307, $2.00. 



PACKARD.— A Text-Book of Ento" 

 mology. Including the Anatomy, 

 Physiology, Embryology and 

 Metamorphoses of Insects, For 

 use in Agricultural and Technical 

 Schools and Colleges, as well as 

 by the Working Entomologist. 

 By Alpheus S. Packard, Brown 

 University, Author of "Ento- 

 mology for Beginners, ' ' etc. With 

 over 400 illustrations. 



Cloth, Svo. $4.00 7iet. 



PARKER and HASWELL.— A Text- 

 Book of Zoology. By T. ]effery 

 Parker, D.Sc, F.R.S.,and Wil- 

 liam A. Haswell, M.A., D.Sc, 

 F. R.S. In two volumes contain- 

 ing many illustrations. 



2 vols, Svo, cloth. $9.00 net. 



— A Student's Text-Book of Zoology. 

 By Adam Sedgwick, Trinity Col- 

 lege, Cambridge. With over 400 

 illustrations. 



Vol. I. Protozoa — Chaetognatha. 

 Svo, cloth, pp. 619. $4.50 net. 



WOODWARD.— Outlines of Verte- 

 brate Palaeontology. For Students 

 of Zoology. By Arthur Smith 

 Woodward. Cambridge Nat- 

 iiral Science Manuals, Biological 

 Series. 



Ivarge Svo, cloth, pp. 470. $3.50 net. 



LANGE.— Handbook of Nature Study 

 for Teachers and Pupils in Elemen- 

 tary Schools. By D. Lange, In- 

 structor in Nature Study in the 

 Public Schools of St. Paul, Min- 

 nesota. With many illustrations, 

 an Appendix and Index. 

 i2mo, cloth, pp. 329. $1.00 7tet. 



WILSON.— Nature Study in Elemen- 

 tary Schools. By Mrs. Lucy 

 Langdon Williams Wilson, 

 Ph.D., Head of the Biological 

 Laboratories in the Philadelphia 

 Normal School for Girls, etc. 

 I. Myths, Stories and Poems. 



35 cents net. 

 n. Manual for Teachers. 



90 cents net. 



BENEDIKT and LEWKOWITSCH.— 

 Chemical Analysis of Oils, Fats, 

 Waxes and the Commercial Products 

 Derived Therefrom, founded on 

 Benedikt's second edition of 

 "Analyse der Fette," by Dr. J. 



LEWKOWITSCH. 



2d edition, Svo, fS.oo. 



JONES. — An Introduction to the 



Science and Practice of Qualitative 



Chemical Analysis. Inorganic. By 



Chapman Jones. 



i2mo, cloth, pp. 213, $1.50 net. 



THORP.— Outlines of Industrial Chem- 

 istry. A Text-book for Students. 

 By Frank H.all Thorp, Ph.D., 

 Instructor in Industrial Chemis- 

 try, Mass. Inst, of Technology. 

 Svo, cloth, pp. 541, $3.50 net. 



CHRYSTAL.— Introduction to Alge- 

 bra for the Use of Secondary Schools 

 and Technical Colleges. By G. 

 Chrystal, Professor of Mathe- 

 matics, University of Edinburgh. 

 i2mo, cloth, $1.25 net. 



NICHOLSON. — Elements of Plane 

 and Spherical Trigonometry. By 

 J. W. NiCHOL.soN, A.M., LL.D., 

 Professor of Mathematics, Louis- 

 iana State University and Agri- 

 cultural and Mechanical College. 

 Svo, cloth, pp. loi, 90 cents net. 

 The same with Logarithmic and 

 Trigonometric Tables. 



Pp. 101 + 61, $1.10 net. 



McCLELLAN and AMES. The Pri- 

 mary Public School Arithmetic, 

 based on McClellan and Davey's 

 "Psychology of Number," by J. 

 A. McClellan, M.A , LL.D., 

 President of the Ontario Normal 

 College, etc., and A. F. Ames, 

 A.B., Superintendent of Schools, 

 Riverside, 111., etc. Small i2mo, 

 cloth, pp. 253. 35 cents net. 



Teachers' Edition Containing 

 Answers. 



Pp. Ixxxiii-h265, 50 cents net. 



REYE.— The Geometry of Position, by 

 Dr. Theodore Reye, Professor 

 in the University of Strassburg, 

 tran-slated by Thomas F. Hol- 

 gate, Professor of Applied 

 Mathematics in Northwestern 

 University. Part I. $2 25. 



Part II. In preparation. 



SMITH.— Infinitesimal Analysis. By 

 William Benjamin Smith, Tu- 

 lane University. Vol. I. Ele- 

 mntary: Real Variables. Svo, 

 cloth. $3.25 net. ' 



WHITEHEAD.— A Treatise on Uni- 

 versal Algebra, With Applications, 

 by Alfred North Whitehead, 

 Fellow and Lecturer of Trinity 

 College, Cambridge. Vol. I. 

 Imp. Svo, $7.00. 



WILLSON. — Theoretical and Prac- 

 tical Graphics. An Educational 

 Course in the Theory and Prac- 

 tical Applications of Descriptive 

 Geometry and Mechanical Draw- 

 ing, Prepared for Students in 

 General Science, Engineering or 

 Architecture. By Frederick 

 Newton Willson, C.E. (Rens- 

 selaer), A.M. (Princeton). 4to, 

 cloth. $4.00 net. 



Published by THE MiLCMILLiLN" COMPJilTY, 



