SCIENCE PRIMERS Continued

POLITICAL ECONOMY-By Professor

LL.D., M.A., F.R.S. 18mo. IS.

STANLEY JEVONS,

"Unquestionably in every respect an admirable primer."-SCHOOL BOARD CHRONICLE.

In preparation :

ZOOLOGY. By Professor HUXLEY, F.R.S. &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. 45. 6d.

ASTRONOMY.

ELEMENTARY LESSONS IN ASTRONOMY. With
Coloured Diagram of the Spectra of the Sun, Stars, and
Nebula, and numerous Illustrations. By J. NORMAN LOCKYER,

F.R.S. New Edition. Fcap. 8vo. 5s. 6d.

Full, clear, sound, and worthy of attention, not only as a popular
exposition, but as a scientifie 'Index.'"-ATHENÆUM.
QUESTIONS ON LOCKYER'S ELEMENTARY LES
SONS 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.
45. 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. By D.
OLIVER, F.R.S., F.L.S., Professor of Botany in University
College, London. With nearly Two Hundred Illustrations.

ELEMENTARY CLASS-BOOKS Continued -
CHEMISTRY.

LESSONS IN ELEMENTARY CHEMISTRY, IN-
ORGANIC AND ORGANIC. By 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 pronounce it the best of all our elementary treatises on Chemistry."-MEDICAL TIMES.

A SERIES OF CHEMICAL PROBLEMS, prepared with
Special Reference to the foregoing, by T. E. Thorpe, Ph.D.,
Prof. 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 RoscOE. New Edition, with Key. 18mo.
ELEMENTARY CHEMICAL ARITHMETIC. With
1,100 Problems. By Sydney Lupton, M.A., Assistant-Master
at Harrow. Extra Fcap. 8vo. 5s.

25.

THE OWENS COLLEGE JUNIOR COURSE OF
PRACTICAL CHEMISTRY. BY FRANCIS JONES, Chemical
Master in the Grammar School, Manchester. With Preface by
Professor RosCOE, and Illustrations. New Ed. 18mo. 2s. 6d.
QUESTIONS ON CHEMISTRY. A Series of Problems
and Exercises in Inorganic and Organic Chemistry. By
FRANCIS JONES, F.R.S.E., F.C.S., Chemical Master in the
Grammar School, Manchester. Fcap. 8vo. 3s.

"Clear, compact, and comprehensive."-DAILY NEWS "The relations of capital and labour have never been more simply or more clearly expounded."-CONTEMPORARY REVIEW LOGIC.

ELEMENTARY LESSONS IN LOGIC; Deductive and
Inductive, with copious Questions and Examples, and a
Vocabulary of Logical Terms. By W. STANLEY JEVONS,
LL.D., M.A., F.R.S. New Edition. Fcap. 8vo. 3s. 6d.
"Nothing can be better for a school-book."-GUARDIAN.

ELEMENTARY CLASS-BOOKS Continued

PHYSICS.

LESSONS IN ELEMENTARY PHYSICS. By BALFOUR
STEWART, F.R.S., Professor of Natural Philosophy in the
Victoria University the Owens College, Manchester. With
numerous Illustrations and Chromolitho of the Spectra of the
Sun, Stars, and Nebula. New Edition. Fcap. 8vo.

4s. 6d.

"The beau-ideal of a scientific text-book, clear, accurate, and thorough." -EDUCATIONAL TIMES.

QUESTIONS ON BALFOUR STEWART'S ELEMENTARY LESSONS IN PHYSICS. By Prof. THOMAS H. CORE, Owens College, Manchester. Fcap. 8vo. 25. ANATOMY.

LESSONS IN elemenTARY ANATOMY. By ST.
George MivarT, F.R.S., Lecturer in Comparative Anatomy
at St. Mary's Hospital. With upwards of 400 Illustrations.
Fcap. 8vo. 6s. 6d.

"It may be questioned whether any other work on anatomy contains in like compass so proportionately great a mass of information."-LANCET. "The work is excellent, and should be in the hands of every student of human anatomy."-MEDICAL TIMES.

STEAM.

AN ELEMENTARY TREATISE. By JOHN PERRY,
C.E., Whitworth Scholar, Fellow of the Chemical Society,
Lecturer in Physics at Clifton College. With numerous Wood-
cuts and Numerical Examples and Exercises. 18mo. 4s. 6d.

"The young engineer and those seeking for a comprehensive knowledge of the use, power, and economy of steam, could not have a more useful work, as it is very intelligible, well arranged, and practical throughout."IRONMONGER.

PHYSICAL GEOGRAPHY.

ELEMENTARY LESSONS IN PHYSICAL GEO.
GRAPHY. By ARCHIBALD GEIKIE, F.R.S., Director-
General of the Geological Surveys of the United Kingdom.
With numerous Illustrations. Fcap. 8vo.
QUESTIONS ON THE SAME.

GEOLOGY.

4s. 6d.

Is. 6d.

ELEMENTARY LESSONS IN GEOLOGY.

same Author.

By the [In preparation.

GEOGRAPHY.

CLASS-BOOK OF GEOGRAPHY. By C. B. CLARKE, M.A.,
F.L.S., F.G.S., F.R.S. New Edition, with Eighteen Coloured

ELEMENTARY CLASS BOOKS Continued

NATURAL PHILOSOPHY.

NATURAL PHILOSOPHY FOR BEGINNERS. By
I. TODHUNTER, M.A., F.R.S. Part I. The Properties of
Solid and Fluid Bodies. 18mo. 3s. 6d.

Part II. Sound, Light, and Heat.

MORAL PHILOSOPHY.

18mo. 3s. 6d.

AN ELEMENTARY TREATISE.
of Glasgow University.

By Prof. E. CAIRD, [In preparation.

ELECTRICITY AND MAGNETISM.
ELEMENTARY LESSONS IN ELECTRICITY AND
MAGNETISM. By SILVANUS P. THOMPSON, Professor of
Experimental Physics in University College, Bristol. With
Illustrations. Fcap. 8vo. 4s. 6d.

SOUND.

AN ELEMENTARY TREATISE. By W. H. STone, M.B. With Illustrations. 18mo. 3s. 6d. PSYCHOLOGY.

ELEMENTARY LESSONS IN PSYCHOLOGY. By G. CROOM ROBERTSON, Professor of Mental Philosophy, &c., University College, London. [In preparation. AGRICULTURE ELEMENTS

OF

AGRICULTURAL

SCIENCE. By H. TANNER, F.C.S., Professor of Agricultural Science, University College, Aberystwith. Fcap. 8vo. 3s. 6d. ECONOMICS-THE ECONOMICS OF INDUSTRY. By A.

MARSHALL, M.A., late Principal of University College, Bristol, and MARY P. MARSHALL, late Lecturer at Newnham Hall, Cambridge. Extra fcap. 8vo. 2s. 6d.

"The book is of sterling value, and will be of great use to students and teachers."-ATHENAUM.

Others in Preparation.

MANUALS FOR STUDENTS.

Crown 8vo.

COSSA - GUIDE ΤΟ THE STUDY OF POLITICAL ECONOMY. By Dr. LUIGI COSSA, Professor in the University of Pavia. Translated from the Second Italian Edition. With a Preface by W. STANLEY JEVONS, F.R.S. Crown 8vo.

45. 6а

ELEMENTARY CLASS-BOOKS Continued

PHYSICS.

LESSONS IN ELEMENTARY PHYSICS. BY BALFOUR STEWART, F.R.S., Professor of Natural Philosophy in the Victoria University the Owens College, Manchester. With numerous Illustrations and Chromolitho of the Spectra of the Sun, Stars, and Nebula. New Edition. Fcap. 8vo. 4s. 6d. "The beau-ideal of a scientific text-book, clear, accurate, and thorough." -EDUCATIONAL TIMES.

QUESTIONS ON BALFOUR STEWART'S ELEMENTARY LESSONS IN PHYSICS. By Prof. THOMAS H. CORE, Owens College, Manchester. Fcap. 8vo. 25. ANATOMY.

LESSONS IN ELEMENTARY ANATOMY. By ST.
GEORGE MIVART, F.R.S., Lecturer in Comparative Anatomy
at St. Mary's Hospital. With upwards of 400 Illustrations.
Fcap. 8vo. 6s. 6d.

"It may be questioned whether any other work on anatomy contains in like compass so proportionately great a mass of information."-Lancet. "The work is excellent, and should be in the hands of every student of human anatomy."-MEDICAL TIMES.

STEAM.

AN ELEMENTARY TREATISE. By JOHN PERRY,
C.E., Whitworth Scholar, Fellow of the Chemical Society,
Lecturer in Physics at Clifton College. With numerous Wood-
cuts and Numerical Examples and Exercises. 18mo. 4s. 6d.

"The young engineer and those seeking for a comprehensive knowledge of the use, power, and economy of steam, could not have a more useful work, as it is very intelligible, well arranged, and practical throughout."IRONMONGER.

PHYSICAL GEOGRAPHY.

ELEMENTARY LESSONS IN PHYSICAL GEO.
GRAPHY. By ARCHIBALD GEIKIE, F.R.S., Director-
General of the Geological Surveys of the United Kingdom.
With numerous Illustrations. Fcap. 8vo. 45. 6d.
QUESTIONS ON THE SAME. Is. 6d.

GEOLOGY.

ELEMENTARY LESSONS IN GEOLOGY.

same Author.

GEOGRAPHY.

By the

[In preparation.

CLASS-BOOK OF GEOGRAPHY. By C. B. CLARKE, M.A.,
F.L.S., F.G.S., F.R.S. New Edition, with Eighteen Coloured