THE MYOLOGY OF THE RAVEN (Corvus corax Sinuatus). A Guide to the Study of the Muscular System in Birds. By R. W. Shufeldt, of the Smithsonian Institute, Washington, U.S.A. With Illustrations. 8vo. 13s. net.

ORGANIC EVOLUTION AS THE RESULT OF THE INHERITANCE OF ACQUIRED CHARACTERS ACCORDING TO THE LAWS OF ORGANIC GROWTH. By Dr. G. H. Theodor Eimer, Professor of Zoology and Comparative Anatomy in Tübingen. Translated by J. T. Cunningham, M.A., F.R.S.E., late Fellow of University College, Oxford. 8vo. 12s. 6d.

FROM THE GREEKS TO DARWIN. An Outline of the Development of the Evolution Idea. By Henry Fairfield Osborn, Sc.D., Da Costa Professor of Biology in Columbia College, Curator in the American Museum of Natural History. 8vo. 9s. net.

LESSONS IN ELEMENTARY BIOLOGY. By T. Jeffrey Parker, B.Sc., F.R.S., Professor of Biology in the University of Otago, New Zealand. Illustrated. Second Edition. Crown 8vo. 10s. 6d.

KEY TO NORTH AMERICAN BIRDS. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland. Second Edition, with which are incorporated General Ornithology—an outline of the structure and classification of birds, and Field Ornithology—a manual of collecting, preparing and preserving birds. By Elliott Coues, M.A., M.D., Ph.D., Member of the National Academy of Sciences. Profusely illustrated. Super Royal 8vo. 42s.

MONOGRAPH OF THE BRITISH CICADÆ OR TETTIGIIDÆ (Froghoppers and Grassflies). By George Bowdler Buckton, F.R.S., Corr. Memb. Acad. Nat. Hist. of Philadelphia, Memb. de la Soc. Ent. de France. Illustrated by more than 400 Coloured Drawings. Two Vols. Demy 8vo. 33s. 6d. each net. Also in Eight Parts. 8s. each net.

THE FOSSIL INSECTS OF NORTH AMERICA. With Notes on some European Species. By Samuel H. Scudder. Vol. I. The Pretertiary Insects. With 34 Plates. Vol. II. The Tertiary Insects. With a Map and 28 Plates. 4to. Paper Boards. 90s. net.

MACMILLAN AND CO., LONDON.


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