_Outlook._—“Mr. Headley’s volume on Evolution is a charming book, not simply indeed for the student who wants an introduction to the theory of evolution, but for the general reader. It is a model of what a scientific work for the general public ought to be, readable and interesting, but withal accurate and well informed, and in this case full of touches of the imagination of the kind which illuminate knowledge.” London: DUCKWORTH & CO., 3 Henrietta Street, COVENT GARDEN, W.C. Duckworth & Co.’s Publications. _GOODWIN, W._ +THE SCIENTIFIC FEEDING OF ANIMALS.+ By W. Goodwin. Crown 8vo. [_In Preparation._ _PERCIVAL, JOHN._ +AGRICULTURAL BOTANY: THEORETICAL AND PRACTICAL.+ By John Percival, M.A., F.L.S., Professor of Botany at the South-Eastern Agricultural College, Wye. Crown 8vo, with 265 illustrations by the Author. 7s. 6d. net. +Third Edition.+ _Nature._—“We have no hesitation in recommending it as _the_ elementary handbook for the agricultural student. The chapters on weeds and on diseases of farm-plants are distinctly better than those in any previous English works dealing with agricultural botany.” _HILL, M. D., and WEBB, WILFRED MARK._ +ETON NATURE-STUDY AND OBSERVATIONAL LESSONS.+ By M. D. Hill and Wilfred M. Webb. With numerous illustrations from photographs, line drawings and wash drawings. In two parts. 3s. 6d. net each. The book deals in a systematic way with such subjects as the use and misuse of “collections,” the migrations of birds, the effects of the action of water on the conformation of landscape, as well as with the life histories of flowers, trees, insects, reptiles, birds and mammals. _WEBB, WILFRED MARK, and SILLEM, CHARLES._ +THE BRITISH WOODLICE: Being a Monograph of the Terrestrial Isopod Crustacea.+ By Wilfred Mark Webb, F.L.S., and Charles Sillem. With 25 plates and 59 figures in the text. Large crown 8vo. 6s. net. _OWEN, J. A., and BOULGER, PROFESSOR._ +THE COUNTRY MONTH BY MONTH.+ By J. A. Owen (Collaborator in all the Work signed “A Son of the Marshes”) and Professor G. S. Boulger. New Edition, with Notes by the late Lord Lilford. In one volume. Demy 8vo. 500 pp. 6s. net. London: DUCKWORTH & CO., 3 Henrietta Street, COVENT GARDEN, W.C. _MASSEE, GEORGE._ +A TEXT-BOOK OF PLANT DISEASES+, caused by Cryptogamic Parasites. By George Massee, Mycologist and Principal Assistant, Royal Herbarium, Kew. With 92 illustrations, drawn from Nature by the Author. Crown 8vo. 6s. net. +Third Edition.+ _Farmers’ Gazette._—“The information is fully up to date, and gathered from the latest British, German, French, and American authorities. The book deserves to become the leading English text-book on the subject.” _By the Same Author._