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In Quarto, Cloth. Price 12s. 6d.

ZOOLOGICAL ARTICLES.

(Contributed to the "Encyclopædia Britannica.")

By E. RAY LANKESTER, M.A., LL.D., F.R.S.,

Linacre Professor in the University of Oxford.

To which are added kindred articles by

W. Johnson Sollas, LL.D., F.R.S., Professor of Geology in Trinity College, Dublin.
Ludwig von Graff, Ph.D., Professor of Zoology in the University of Graz, Austria
A. A. W. Hubrecht, Ph.D., LL.D., Professor of Zoology in the University of Utrecht.
A. G. Bourne, D.Sc., Professor of Biology in the Presidency College, Madras.
W. A. Herdman, D.Sc, Professor of Natural History in the University College, Liverpool.



In Fcap. 8vo, Cloth. Price 5s.

ELEMENTS OF ZOOLOGY.

FOR THE USE OF SCHOOLS & SCIENCE CLASSES.

By DR. ANDREW WILSON.



In Crown 8vo, Cloth. Price 5s.

AN INTRODUCTION

TO

CHEMICAL THEORY.

BY

ALEXANDER SCOTT, M.A. (Cantab.), D.Sc. (Edin.), F.R.S.E.,

Jacksonian Demonstrator in the University of Cambridge.

"We can most strongly recommend this book to the notice of teachers as a guide to the studies of their more advanced pupils."—Chemical News
"An excellent little manual this."—The Lancet.
"The book is well written and gives a vast amount of valuable information in a concise and intelligible style."—Edinburgh Medical Journal.
"In the volume before us is given, in a comparatively small space, a great quantity of information, conveyed in an extremely lucid stye."—Medical Press.
"This excellent little work."—Glasgow Herald.
"The work of a clever student."—Observer
"Of real excellence and value."—Saturday Review.
"Has endeavoured very successfully to explain in a clear and simple manner the fundamental laws of chemistry, and to show, by well-selected illustrations, the development of chemical theory in recent times."—National Observer.