III. Astronomy and General Physics, considered with reference to Natural Theology, by the Rev. WILLIAM WHEWELL, M. A., F. R. S., Fellow of Trinity College, Cambridge. IV. The Hand: its Mechanism and Vital Endowments as evincing Design, by Sir CHARLES BELL, K. H., F. R. S. V. Animal and Vegetable Physiology, by PETER MARK ROGET, M. D., Fellow of and Secretary to the Royal Society. VI. Geology and Mineralogy, by the Rev. WILLIAM BUCKLAND, D. D., F. R. S., Canon of Christ Church, and Professor of Geology in the University of Oxford. VII. The History, Habits, and Instincts of Animals, by the Rev. WILLIAM KIRBY, M. A., F. R. S. VIII. Chemistry, Meteorology, and the Function of Digestion, by WILLIAM PROUT, M. D., F. R. S. _The whole of these Treatises are nearly finished, and will be put to press as soon as received, and published in a cheap and handsome form._ THE PRINCIPLES OF CHRISTIAN PHILOSOPHY; containing the Doctrines, Duties, Admonitions, and Consolations of the Christian Religion, by JOHN BURNS, M. D., F. R. S. From the fourth London edition. In the press. CONVERSATIONS WITH LORD BYRON ON THE SUBJECT OF RELIGION. By J. KENNEDY, M. D. 12mo. GLEANINGS IN NATURAL HISTORY, WITH LOCAL RECOLLECTIONS. By EDWARD JESSE, Esq. To which are added, Maxims and Hints for Anglers. From the second London edition, in one volume, being a Companion to the Journal of a Naturalist. We have occasionally selected a paragraph from a very pretty volume, by Mr. Jesse, published under the above title. The author lives in the neighbourhood of Kew, and like Mr. White of Selborne,--who made a small village of Hampshire one of the most interesting spots to the lover of nature, by his ample descriptions of the natural objects which he saw around him,--Mr. Jesse has rendered his walks a vehicle for much instruction and amusement to himself and to others. He principally confines his attention to zoology--the most generally attractive of the departments of natural history; and he looks upon the animal world with so much practical wisdom, being disposed to be happy himself, and to see every creature around him happy, that there are few persons who will not read his slight sketches with improvement to their hearts and understandings.--_Penny Magazine._ THE MECHANISM OF THE HEAVENS. By Mrs. SOMERVILLE. In 18mo. Is it asking too much of Mrs. Somerville to express a hope that she will allow this beautiful preliminary Dissertation to be printed separately for the delight and instruction of thousands of readers, young and old, who cannot understand, or are too indolent to apply themselves to the more elaborate parts of the work? If she will do this, we hereby promise to exert our best endeavours to make its merits known.--_Literary Gazette._ SALMONIA; OR, DAYS OF FLY FISHING. By Sir H. DAVY.