Being an Introduction to the Study of the Structure, Functions, Classification, and Distribution of Plants, with a Glossary and copious Index. "The book is admirably fitted for a text-book in teaching the science. It is beautifully illustrated, and is the cheapest botanical work of merit which has appeared."—Scottish Guardian.

In Crown 8vo, price 8s. 6d., THE STUDENT'S MANUAL OF GEOLOGY. By J. B. Jukes, M.A., F.R.S., Local Director of the Geological Survey of Ireland, and Lecturer on Geology to the Museum of Irish Industry. "Undoubtedly one of the most valuable aids to the practical study of Geology that has appeared of late years."—Mining Journal. "The whole idea of this 'Manual' indicates great clearness of thought; and a perusal shows us that the Author is not only perfectly acquainted with his subject, but that his soul is in the study of his science."—Athenæum.

In 12mo, cloth, price 5s., ELEMENTS OF MINERALOGY: Containing a General Introduction to the Science, with Descriptions of the Species. By James Nicol, F.G.S., Professor of Natural History in Marischal College and University, Aberdeen. "We cannot say more in favour of Professor Nicol's book, than that it professes to afford precisely the information which every practical man should possess, and that it accomplishes as much as it professes."—Mining Journal.

EDINBURGH: ADAM & CHARLES BLACK.