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Yonge (C. D.), Regius Professor, Queen's College, Belfast.

HISTORY OF THE ENGLISH REVOLUTION OF 1688. Crown 8vo. 6s.

Yorke (Stephen), Author of "Tales of the North Riding."

CLEVEDEN. A Novel. 2 vols. Crown 8vo.

Youmans (Eliza A.)

AN ESSAY ON THE CULTURE OF THE OBSERVING POWERS OF CHILDREN, especially in connection with the Study of Botany. Edited, with Notes and a Supplement, by Joseph Payne, F.C.P., Author of "Lectures on the Science and Art of Education," etc. Crown 8vo. 2s. 6d.

FIRST BOOK OF BOTANY. Designed to cultivate the Observing Powers of Children. With 300 Engravings. New and Enlarged Edition. Crown 8vo. 5s.

Youmans (Edward L.), M.D.

A CLASS BOOK OF CHEMISTRY, on the Basis of the new System. With 200 Illustrations.