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NEW CLASS-BOOKS IN SCIENCE.


ARITHMETIC.
This day is published,

THE THEORY OF ARITHMETIC. By David Munn, F.R.S.E., Mathematical Master, Royal High School of Edinburgh. Crown 8vo, pp. 294. 58.

METEOROLOGY.

INTRODUCTORY TEXT BOOK OF METEOROLOGY. By ALEXANDER BUCHAN, M.A., F.R.S.E., Secretary of the Scottish Meteorological Society, Author of 'Handy Book of Meteorology,' &c. Crown 8vo, with 8 Coloured Charts and other Engravings, pp. 218. 4s. 6d.

ZOOLOGY.

INTRODUCTORY TEXT-BOOK OF ZOOLOGY. By H. ALLEYNE NICHOLSON, M.D., D.Sc., F.R.S.E., F.G.S., &c. Crown 8vo, with 127 Engravings on Wood. 3s. 6d.

By the same Author.

ADVANCED TEXT-BOOK OF ZOOLOGY. 151 Engravings. 6s.
MANUAL OF ZOOLOGY. Crown 8vo, 222 Engravings. 12s.6d.

GEOGRAPHY.
New and greatly improved Edition.

MANUAL OF MODERN GEOGRAPHY, Mathematical, Physical, and Political, on a New Plan, embracing a Complete Development of the River-Systems of the Globe. By the Rev. ALEXANDER MACKAY, LL.D., F.R.G.S. Fcap. 8vo, pp. 676. 7s. 6d.

By the same Author.

ELEMENTS OF MODERN GEOGRAPHY. 18th Thousand. 3s.

OUTLINES OF MODERN GEOGRAPHY. 43d Thousand. 1s.
FIRST STEPS IN GEOGRAPHY. 38th Thousand. 6d. in cloth; 4d. sewed.

GEOGRAPHY OF THE BRITISH EMPIRE. 3d.

PHYSICS.

ELEMENTARY HANDBOOK OF PHYSICS. With 210 Diagrams. By WILLIAM ROSSITER, F.R.A.S., &c. Crown 8vo, pp. 390. 5s.

William Blackwood & Sons, Edinburgh and London.