OUTLINES OF NATURAL HISTORY, for Beginners: Being Descriptions of a Progressive Series of Zoological Types. By HENRY ALLEYNE NICHOLSON, M.D., D.Sc., M.A., PH.D., F.R.S.E., F.G.S., &c., Professor of Natural History in the University of St Andrews. 2d Edition. Fcap. 8vo, with Engravings, ls. 6d.

BY THE SAME AUTHOR.

INTRODUCTORY TEXT-BOOK OF ZOOLOGY, for THE USE OF JUNIOR CLASSES. With 156 Engravings. A New Edition, revised and enlarged, 3s.

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TEXT-BOOK OF ZOOLOGY, for the Use of Schools. 2d Edition. Crown 8vo, pp. 378, with 188 Engravings on Wood, 6s.

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A MANUAL OF ZOOLOGY, for the Use of Students. With a General Introduction on the Principles of Zoology, and Glossary of Scientific Terms. Fourth Edition, revised and enlarged. Crown 8vo, pp. 732, with 300 Engravings on Wood, 12s. 6d. "It is the best manual of zoology yet published, not merely in England but in Europe."-Pall Mall Gazette.

"The best handbook for students that we at present possess."-Westminster Review.

BY THE SAME AUTHOR.

EXAMINATIONS IN NATURAL HISTORY: Being a Progressive Series of Questions adapted to the Author's Introductory and Advanced Text-Books and the Student's Manual of Zoology. 1s.

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INTRODUCTION TO THE STUDY OF BIOLOGY. Crown 8vo, with numerous Engravings, 5s.

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A MANUAL OF PALEONTOLOGY, for the Use OF STUDENTS. With a General Introduction on the Principles of Paleontology. With upwards of 400 Engravings. Crown 8vo, 15s.

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THE ANCIENT LIFE-HISTORY OF THE EARTH. AN OUTLINE OF THE PRINCIPLES AND LEADING FACTS OF PALEONTOLOGICAL SCIENCE. Crown 8vo, with 276 Engravings. 10s. 6d.

A MANUAL OF BOTANY, Anatomical and PhysioLOGICAL. FOR THE USE OF STUDENTS. By ROBERT BROWN, M.A., PH.D., F. R. G.S. Crown 8vo, with numerous Illustrations. 12s. 6d. "This is a work of very meritorious character."-Scientific and Literary Review.

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