GENERAL NATURAL HISTORY, &c.

ESSAYS AND OBSERVATIONS ON NATURAL HISTORY, ANATOMY, PHYSIOLOGY, PSYCHOLOGY, AND GEOLOGY. By JOHN HUNTER, F.R.S. Being his Posthumous Papers on those subjects, arranged and revised, with Notes, by RICHARD OWEN, F.R.S., D.C.L., Superintendent of the Natural History Department, British Museum, &c. &c. 2 vols. 8vo, £1 11s. 6d.

THE NORTH-ATLANTIC SEA-BED; comprising a Diary of the Voyage on board H.M.S. ‘Bulldog’ in 1860, and Observations on the Presence of Animal Life, and the Formation and Nature of Organic Deposits, at great depths in the Ocean. By G. C. WALLICH, M.D., F.L.S., F.G.S. Published with the sanction of the Lords Commissioners of the Admiralty. 4to, Part I., with Map and 6 Plates, 15s. Part II., completing the work, will contain the remaining portion of the letter-press and Plates (7 to 20), and will be published shortly.

MEMOIR OF THE REV. J. S. HENSLOW, M.A., F.L.S., F.G.S., F.C.P.S., Rector of Hitcham, and Professor of Botany in the University of Cambridge. By the REV. LEONARD JENYNS, M.A., F.L.S., F.G.S., F.C.P.S. Post 8vo, with a Photographic Portrait, 7s. 6d.

THE HONEY-BEE; its Natural History, Habits, Anatomy, and Microscopical Beauties. With Eight Tinted Illustrative Plates. By JAMES SAMUELSON, assisted by Dr. J. BRAXTON HICKS. (Forming a Second Part of Humble Creatures.) Post 8vo, 6s.

HUMBLE CREATURES (Part I.): THE EARTHWORM AND THE COMMON HOUSEFLY. In Eight Letters. By JAMES SAMUELSON, assisted by J. B. HICKS, M.D. Lond., F.L.S. With Microscopic Illustrations by the Authors. Second Edition, post 8vo, 3s. 6d.

GATHERINGS OF A NATURALIST IN AUSTRALASIA; being Observations principally on the Animal and Vegetable Productions of New South Wales, New Zealand, and some of the Austral Islands. By GEORGE BENNETT, M.D., F.L.S., F.Z.S. 8vo, with 8 Coloured Plates and 24 Woodcuts, 21s.

THE MICROGRAPHIC DICTIONARY: a Guide to the Examination and Investigation of the Structure and Nature of Microscopic Objects. By Dr. GRIFFITH and Professor HENFREY. Second edition, with 2459 Figures (many coloured), in 45 Plates and 812 Woodcuts, 840 pp., 8vo, £2 5s.

OBSERVATIONS IN NATURAL HISTORY; with a Calendar of Periodic Phenomena. By the Rev. LEONARD JENYNS, M.A., F.L.S. Post 8vo, 10s. 6d.