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SCIENCE. 



[Vol. XVIII. No 451 



Chemistry," etc., numerous illustrations; '-A. Complete Treatise 

 on the Electro-Deposition of Metals," comprising electro plating 

 and galvanoplastic operations, the deposition of metals by the con- 

 tact and immersion processes, the coloring of metals, the methods 

 of grinding and polishing, etc., translated from the German of 

 Dr. George Langbein, with additions by William T. Brannt, editor 

 of "The Techno-Chemical Receipt Book," etc., illustrated by 125 

 engravings; " Handwriting in Relation to Hygiene," being a paper 

 read at the Seventh International Congress of Hygiene and De- 

 mography, London, 1891, by John Jackson, and the report of the 

 commission of specialists appointed by the Imperial and Royal 

 Supreme Council of Health, Vienna, 189L * 



— Messrs. Blackie and Son have in the press a " Text-book of 

 Agriculture," under the editorship of Professor R. P. Wright of the 

 Glasgow and West of Scotland Technical College. They have also 

 in preparation a series of "Guides to the Science Examinations " 

 (the first number, which is nearly ready, is by Mr. Jerome Harri- 

 son of Birmingham, and deals with the examinations in physiog- 

 raphy). Pinkerton's "Mechanics," in their series of science test- 

 boobs, is about to enter a second edition, and the opportunity is 

 being taken to adapt it to the revised requirements of the 1891 

 syllabus of the science and art department. 



— During the coming winter Mr. Edward Arnold proposes to 

 issue a series of popular papers on animals, by Professor C. Lloyd 

 Morgan, the well-known author of "Animal Life and Intelli- 

 gence;" "A Treatise on the Standard Course of Elementary 

 Chemistry," by E. J. Cox, head master of the Technical School, 

 Birmingham ; and a sei-ies of scientific works by Doctor Wormell 

 (the series will embrace text-books of mechanics, sound, light, 

 heat, magnetism, and electricity). 



— The following announcements are made by Messrs. Macmil- 

 lan & Co. : "Essays on some Controverted Questions," by T. H. 

 Huxley, F.R.S. ; " Dr. Schliemann's Excavations at Troy, Tiryns, 

 Mycense, Orchomenos, Ithaca, Presented in the Light of Recent 

 Knowledge," by Dr. Carl Shuchhardfe, authorized translation by 

 Miss Eugenie Sellers, with appendix on latest researches by Drs. 

 Schliemann and Dorpfeld, and introduction by Walter Leaf, illus- 

 trated with two portraits, maps, plans, and 290 woodcuts; "Beast 

 and Man in India," by J. L. Kipling, with numerous illustrations 

 by the author; "An Introductioa to the Theory of Value," by 

 William Smart; " Public Finance," by C. F. Bastable, professor 

 of political economy. Trinity College, Dublin; "The Pioneers of 

 Science," by Professor Oliver Lodge, with portraits and other 

 illustrations; "Electricity and Magnetism: a Popular Treatise," 

 by Amedee Guillemin, translated and edited, -with additions and 

 notes, by Professor Silvanus P. Thompson, with numerous illus- 

 trations, uniform with the English editions of M. Guillemin's 

 -"The Forces of Nature" and "The Application of Physical 

 Forces ; " " Island Life ; or, The Phenomena and Causes of Insu- 

 lar Faunas and Floras," including a revision and attempted solu- 

 tion of the problem of geological climates, by Dr. A. R. Wallace, 

 with illustrations and maps, new and cheaper edition; " A Com- 

 plete Treatise on Inorganic and Organic Chemistry," by Sir Henry 

 E. Roscoe, F.R.S., and Professor C. Schorlemmer, F.R.S, Vol. 

 III. "Organic Chemistry; the Chemistry of the Hydrocarbons 

 and their Derivatives, or Organic Chemistry," six parts. Part VI. ; 

 " A Text book of Physiology," illustrated, fifth edition, revised, 

 Part rv. comprising the remainder of Book III. " The Senses and 

 Some Special Muscular Mechanisms," and Book TV. " The Tissues 

 and Mechanisms of Reproduction," by Michael Foster, F.R S., 

 professor of physiology in the University of Cambridge; "Text- 

 book of Comparative Anatomy." by Dr. Arnold Lang, professor 

 of zoology in the University of Zurich, formerly Ritter professor 

 of phylogeny in the University of Jena, issued as the ninth edition 

 of Edward Oscar Schmidt's " Hand-book of Comparative Anato- 

 my," translated into English by Henry M. Bernard and Matilda 

 Bernard, with preface by Professor Ernst Haeckel, 2 vols., illus- 

 trated (Vol. I. in October); " Materials for the Study of Variation 

 an Animals " (Part I. Discontinuous Variation), by William Bate- 

 son, Balfour student and fellow of St. John's College, Cambridge, 

 illustrated; "The Diseases of Modern Life," by Dr. B. W. Rich- 

 ardson, new and cheaper edition; "Ligation in Continuity," by 



Drs. C. A. Ballance and Walter Edmunds, with illustrations and 

 plates; "The Dietetic Value of Bread," by John Goodfellow; 

 '■On Colour Blindness," by Thomas H. Bickerton, illustrated (Na- 

 ture Series) ; " The Geography of the British Colonies " — " Can- 

 ada," by George M. Dawson. " Australia and New Zealand," by 

 Alexander Sutherland; "The Algebra of Co-Planar Vectors and 

 Trigonometry," by R. B Hayward, F.R.S., assistant master at 

 Harrow; " The Elements of Trigonometry," by Rawdon Levett 

 and A. F. Davison, masters in King Edward's school, Birming- 

 ham; "Progressive Mathematical Exercises for Home Work" (in 

 two parts), by A. T. Richardson, senior mathematical master at 

 the Isle of Wight College, formerly scholar of Hertford College, 

 Oxford; "The Geometry of the Circle," by W. J. McClelland, 

 Trinity College, Dublin, head master of Santry school, illustrated; 

 " Mechanics for Beginners," by the Rev. J. B. Lock, author of 

 " Arithmetic for Schools," etc.. Part I. Mechanics of Solids, Part 

 II. Mechanics of Fluids; " A Graduated Course of Natural Science 

 for Elementary and Technical Schools and Colleges," by B. Loewy, 

 examiner in experimental physics to the College of Preceptors, 

 Part II. Second Year's Course; " Methods of Gas Analysis," by 

 Walter Hempel, Ph.D., translated by Dr. L. M, Dennis; "Na- 

 ture's Story Books," I. " Sunshine," by Amy Johnson, illustrated. 



— The Clarendon Press promises "Geography of Africa South 

 pf the Zambesi," by W. Parr Greswell; " Mathematical Papers of 

 the late Henry J. S. Smith, Savilian Professor of Geometry in the 

 University of Oxford," with portrait and memoir, 2 vols. ; " Plane 

 Trigonometry, without Imaginaries," by R. C. J. Nixon; "A 

 Trea,tise on Electricity and Magnetism," by J. Clerk Maxwell, 

 new edition; " A Manual of Crystallography," by M. H. N. Story- 

 Maskelyne; "Elementary Mechanics," by A. L. Selby; " Weis- 

 manu's Lectures on Heredity,' Vol. II., edited by E. B. Poulton, 

 F.R.S. 



— In the October Educational Review Professor James H. 

 Blodgett, special agent of the census for statistics of education, 

 begins the interpretation of the educational statistics of the Elev- 

 enth Census; President Francis A. Walker argues for the higher 

 appreciation of schools of technology ; Professor Herbert B. Adams 

 traces the beginnings of university entension in America; and 

 John T. Prince of Massachusetts describes some of his recent ex- 

 periences in the German schools. Other articles are by Professor 

 Hanus of Harvard, Superintendent Aaron Gove of Denver, Dr. 

 Larkin Dunton of Boston, Pi-ofessor Hammer of Munich, and the 

 editors. Book reviews are by Sir William Dawson of McGill Col- 

 lege, Montreal, Professor B. I. Wheeler of Cornell, Professor Gar- 

 nett of the University of Virginia, Professors Hyslop and Jackson 

 of Columbia, Professor Sanford of Stanford University, Superin- 

 tendent Calkins of New York, and the editors. This issue also 

 contains the full text of the English act known as the ' ' Elemen- 

 tary Education Act, 1891," which introduces free education on a 

 large scale. 



— The Cambridge University Press announces: " Catalogue of 

 Scientific Papers Compiled by the Royal Society of London," new 

 series for the years 1874-1883; " The Collected Mathematical Pa- 

 pers of Arthur Cayley, Sc.D., F.R.S., Sadlerian professor of pure 

 mathematics in the University of Cambridge," Vol. TV. (to be 

 completed in ten volumes); "A History of the Theory of Elasticity 

 and of the Strength of Materials," by the late I. Todhunter, 

 F.R.S., edited and completed by Karl Pearson, professor of ap- 

 plied mathematics. University College, London — Vol. II. Saint 

 Venant to Sir William Thomson;" "A Treatise on Elementary 

 Dynamics," new and enlarged edition, by S. L. Loney, fellow of 

 Sidney Sussex College; "Solutions of the Examples in a Treatise 

 on Elementary Dynamics," by the same author; " A Treatise on 

 Thermo-dynamics," by J. Parker, fellow of St. John's College, 

 Cambridge; "A History of Epidemics in Britain," Vol. I., from 

 A.D. 664 to the extinction of plague in 1666, by Charles Creighton, 

 M.D., formerly demonstrator of anatomy in the University of 

 Cambridge; "Catalogue of Type Fossils in the Woodwardian 

 Museum, Cambridge," by H. Woods, of St. John's College, with 

 preface by Professor T. McKenny Hughes; " Examination Papers 

 for Entrance and Minor Scholarships and Exhibitions in the Col- 

 leges of the University of Cambridge " — Part I. Mathematics and 



