TODHUNTER Continued MECHANICS FOR BEGINNERS. Examples. New Edition. 18mo. 4s. 6d. With numerous Crown KEY TO MECHANICS FOR BEGINNERS. ALGEBRA. For the Use of Colleges and Schools. New KEY TO ALGEBRA FOR THE USE OF COLLEGES 10s. 6d. AN ELEMENTARY TREATISE ON THE THEORY OF EQUATIONS. 7s. 6d. PLANE TRIGONOMETRY. For Schools and Colleges. New Edition. Crown 8vo. 5s. Crown 8vo. TRIGON KEY TO PLANE TRIGONOMETRY. 10s. 6d. A TREATISE ON SPHERICAL TRIGONOMETRY. PLANE CO-ORDINATE GEOMETRY, as applied to the A TREATISE ON THE DIFFERENTIAL CALCULUS. A TREATISE ON THE INTEGRAL CALCULUS AND EXAMPLES OF ANALYTICAL GEOMETRY OF A TREATISE ON ANALYTICAL STATICS. With numerous Examples. New Edition, revised and enlarged. Crown 8vo. IOS. 6d. TODHUNTER Continued-- A HISTORY OF THE MATHEMATICAL THEORY RESEARCHES IN THE CALCULUS OF VARIA- A HISTORY OF THE MATHEMATICAL THEORIES AN ELEMENTARY TREATISE ON LAPLACE'S, WILSON (J. M.)--ELEMENTARY GEOMETRY. Books I. to V. Containing the Subjects of Euclid's first Six Books. Following the Syllabus of the Geometrical Association, By J. M. WILSON, M.A., Head Master of Clifton College. New Edition. Extra fcap. 8vo. 4s. 6d. With SOLID GEOMETRY AND CONIC SECTIONS. GONOMETRY. WILSON-GRADUATED EXERCISES IN PLANE TRICompiled and arranged by J. WILSON, M.A., and S. R. WILSON, B.A. Crown 8vo. 4s. 6d. "The exercises seem beautifully graduated and adapted to lead a student on most gently and pleasantly."-E. J. ROUTH, F.R.S., St. Peter's College, Cambridge. WILSON (W. P.)—A TREATISE ON DYNAMICS. By W. P. WILSON, M.A., Fellow of St. John's College, Cambridge, and Professor of Mathematics in Queen's College, Belfast. 8vo. gs. 6d. WOLSTENHOLME-MATHEMATICAL PROBLEMS, on Subjects included in the First and Second Divisions of the Schedule of Subjects for the Cambridge Mathematical Tripos Examination. Devised and arranged by JOSEPH WOLSTENHOLME, late Fellow of Christ's College, sometime Fellow of St. John's College, and Professor of Mathematics in the Royal Indian Engineering College. NewEd. greatly enlarged. 8vo. 18s. SCIENCE. SCIENCE PRIMERS FOR ELEMENTARY SCHOOLS. Under the joint Editorship of Professors HUXLZY, Roscoe, and BALFOUR STEWART. "These Primers are extremely simple and attractive, and thoroughly answer their purpose of just leading the young beginner up to the threshold of the long avenues in the Palace of Nature which these titles suggest. -GUARDIAN. "They are wonderfully clear and lucid in their instruction, simple in style, and admirable in plan. "-EDUCATIONAL TIMES. IS. INTRODUCTORY-By T. H. HUXLEY, F.R.S., Professor of Natural History in the Royal School of Mines. 18mo. CHEMISTRY By H. E. ROSCOE, F.R.S., Professor of Chemistry in the Victoria University the Owens College Manchester. With numerous Illustrations. 18mo. Edition. With Questions. Is. New "A very model of perspicacity and accuracy.' "CHEMIST AND DRUG. GIST. PHYSICS-By BALFOUR STEWART, F.R.S., Professor of Natural New PHYSICAL GEOGRAPHY-BY ARCHIBALD GEIKIE, F.R.S., Murchison Professor of Geology and Mineralogy at Edinburgh. With numerous Illustrations. New Edition, with "Everyone of his lessons is marked by simplicity, clearness, and correctness."-ATHENAUM. GEOLOGY—By Professor GEIKIE, F.R.S. With numerous Illustrations. New Edition. 18mo, cloth. IS. "It is hardly possible for the dullest child to misunderstand the meaning of a classification of stones after Professor Geikie's explanation."-SCHOOL BOARD CHRONICLE SCIENCE PRIMERS Continued PHYSIOLOGY-BY MICHAEL FOSTER, M.D., F.R.S. numerous Illustrations. New Edition. 18mo. IS. With "The book seems to us to leave nothing to be desired as an elementary text-book."-ACADEMY. ASTRONOMY - By J. NORMAN LOCKYER, F.R.S. With numerous Illustrations. New Edition. 18mo. IS. "This is altogether one of the most likely attempts we have ever seen to bring astronomy down to the capacity of the young child."-SCHOOL BOARD CHRONICLE. BOTANY-By Sir J. D. HOOKER, K.C.S.I., C.B., F.R.S. With numerous Illustrations. New Edition. 18mo. IS. "To teachers the Primer will be of inestimable value, and not only because of the simplicity of the language and the clearness with which the subject matter is treated, but also on account of its coming from the highest authority, and so furnishing positive information as to the most suitable methods of teaching the science of botany."-Nature. LOGIC-By Professor STANLEY JEVONS, LL.D., M.A., F.R.S. New Edition. 18mo. IS. "It appears to us admirably adapted to serve both as an introduction to scientific reasoning, and as a guide to sound judgment and reasoning in the ordinary affairs of life."-ACADEMY, POLITICAL ECONOMY-By Professor STANLEY JEVONS, LL.D., M.A., F.R.S. 18mo. IS. Unquestionably in every respect an admirable primer."-SCHOOL BOARD CHRONICLE. In preparation : ZOOLOGY. By Professor HUXLEY. &c. &c. ELEMENTARY CLASS-BOOKS. ASTRONOMY, by the Astronomer Royal. POPULAR ASTRONOMY. With Illustrations. By Sir G. B. AIRY, K.C.B., Astronomer Royal. New Edition. 18mo. 4s. 6d. ASTRONOMY. With ELEMENTARY LESSONS IN ASTRONOMY. "Full, clear, sound, and worthy of attention, not only as a popular exposition. but as a scientific Index.'"-ATHENAUM. A ELEMENTARY CLASS-BOOKS Continued QUESTIONS ON LOCKYER'S ELEMENTARY LESSONS IN ASTRONOMY. For the Use of Schools. By JOHN FORBES-ROBERTSON. 18mo. cloth limp. Is. 6d. PHYSIOLOGY. LESSONS IN ELEMENTARY PHYSIOLOGY. With numerous Illustrations. By T. H. HUXLEY, F.R.S., Professor of Natural History in the Royal School of Mines. New Edition. Fcap. 8vo. 4s. 6d. "Pure gold throughout."-Guardian. "Unquestionably the clearest and most complete elementary treatise on this subject that we possess in any language."-WESTMINster Review QUESTIONS ON HUXLEY'S PHYSIOLOGY FOR SCHOOLS. By T. ALCOCK, M.D. 18mo. BOTANY. Is. 6d. LESSONS IN ELEMENTARY BOTANY. CHEMISTRY. LESSONS IN ELEMENTARY CHEMISTRY, INORGANIC AND ORGANIC. Ry HENRY E. ROSCOE, F.R.S., Professor of Chemistry in the Victoria University the Owens College, Manchester. With numerous Illustrations and Chromo-Litho of the Solar Spectrum, and of the Alkalies and Alkaline Earths. New Edition. Fcap. 8vo. 4s. 6d. "As a standard general text-book it deserves to take a leading place.” SPECTATOR. "We unhesitatingly pronounee it the best of all our elementary treatises on Chemistry."-MEDICAL TIMES. A SERIES OF CHEMICAL PROBLEMS, prepared with Special Reference to the above, by T. E. Thorpe, Ph.D., Professor of Chemistry in the Yorkshire College of Science, Leeds. Adapted for the preparation of Students for the Government, Science, and Society of Arts Examinations. With a Preface by Professor Roscor. New Edition, with Key. 18mo. POLITICAL ECONOMY. POLITICAL ECONOMY FOR BEGINNERS. 25. By 18mo. 2s. 6d. "Clear, compact, and comprehensive."-DAILY NEWS "The relations of capital and labour have never been more simply or more clearly expounded."-CONTEMPORARY Review. |