On the Sanative Influence of the Climate of Pau, and of the Mineral Waters of the Pyrenees, on Disease. By A. TAYLOR, M.D. 10s. 6d.

Practical Geology and Mineralogy, and the Chemistry of Metals. By JOSHUA TRIMMER, F.G.S. Octavo, with 200 Illustrations, 12s.

TRIMMER'S Practical Chemistry for Farmers and Landowners.

Post Octavo, 58.

A Familiar History of Birds. By E. STANLEY, D.D., F.R.S. Lord Bishop of Norwich. Fourth Edition, 5s.

Minerals and their Uses; in a Series of Letters to a Lady. By J. R. JACKSON, F.R.S. With a Coloured Frontispiece. 7s. 6d.

Practical Geodesy, comprising Chain Surveying, the Use of Surveying Instruments, Levelling, Trigonometrical, Mining, and Maritime Surveying. By BUTLER WILLIAMS, C.E., F.G.S. New Edition, with Additional Chapters on Estate, Parochial and Railroad Surveying. Octavo, with Illustrations. 12s. 6d.

WILLIAMS' Manual of Model-Drawing from Solid Forms; with a Popular View of Perspective. Octavo, with Shaded Engravings of the Models, and numerous Wood Cuts. 158. Published under the Sanction of the Committee of the Council on Education.

Principles of Mechanism. By R. WILLIS, M.A., F.R.S., Jacksonian Professor of Natural Philosophy, Cambridge. With 250 Wood Cuts. Octavo, 15s.

An Elementary Treatise on the Differential and Integral Calculus, By T. G. HALL, M.A., Professor of Mathematics in King's College, London. Fourth Edition, enlarged. Octavo, 12s. 6d.

HALL'S Elements of Descriptive Geometry, chiefly intended for Students in Engineering. With 80 Illustrations. 68. 6d.

A Treatise on the Motion of a Rigid Body. By W. N. GRIFFIN, B.D., Fellow of St. John's College, Cambridge. Octavo, 6s. 6d.

Elements of Euclid, from the Text of Simson. With Notes, Geometrical Exercises, Examination Papers, and a History of Geometry. By R. Porrs, M.A. The College Edition, Octavo, 10s.

Mechanics applied to the Arts. By H. MOSELEY, M.A., F.R.S., one of Her Majesty's Inspectors of Schools. Third Edition, 6s. 6d.

MOSELEY'S Lectures on Astronomy delivered at King's College, London. Second Edition, 5s. 6d.

Mathematical Tracts. By G. B. AIRY, M.A., F.R.S., Astronomer Royal. Octavo, Third Edition, 15s.

Mathematical Tracts. By M. O'Brien, M.A., F.R.S., Professor of Natural Philosophy in King's College, London. 4s. 6d.

4

Select Works published by John W. Parker.

The Holy City: Historical and Topographical Notices of Jerusalem. By GEORGE WILLIAMS, B.D., Fellow of King's College, Cambridge. Second Edition, with considerable additions, including

THE ARCHITECTURAL HISTORY OF THE HOLY SEPULCHRE,
BY PROFESSOR WILLIS.

With this edition is also published,

A PLAN OF THE TOWN AND ENVIRONS OF JERUSALEM, copied by permission of Field-Marshal the Marquess of ANGLESEY, from the Original Drawing of the Survey made by Lieuts. ALDRICH and SYMONDS, of the Royal Engineers, under the orders of Lieut.-Col. ANDERSON, commanding the Royal Engineers in Syria. Two large Volumes, octavo, with Illustrations, 21. 5s.

The Survey, of which this is a copy, is the only one that has ever been made by professional Surveyors. The forms of the mountains and valleys are for the first time rendered with the accuracy of a model from the contour lines of the original Drawings.

The Plan is beautifully engraved by Mr. LowRY, and is published with the Historical and Descriptive Memoir, reprinted from WILLIAMS' Holy City, price 9s.; and also Mounted on Canvas, with Rollers, for use in Libraries, Schools, &c., price 18s.

Also, octavo, illustrated by Engravings from Drawings never before published, The Architectural History of the Holy Sepulchre. By Prof. WILLIS. Reprinted from the above Work.

Wild Life in the Interior of Central America. By GEORGE BYAM, late 43rd Light Infantry. Foolscap octavo, with a Frontispiece. 5s.

The Undulatory Theory, as applied to the dispersion of Light. By B. POWELL, M.A., F.R.S., Savilian Professor, Oxford. Octavo, 9s., with a Coloured Chart of the Prismatic Spectra.

Theory of Heat. By Professor KELLAND, M.A., F.R.S., of the University of Edinburgh, 9s.

Of a Liberal Education in general, and with particular reference to the leading Studies of the University of Cambridge. By WILLIAM WHEWELL, D.D., Master of Trinity College. Octavo, 9s.

WHEWELL on the Principles of English University Education.

Second Edition. 5s.

Thoughts on the Studies of the University of Cambridge. By A. SEDGWICK, M.A., F.R.S., Woodwardian Professor, Cambridge. New Edition, with Additions. Post Octavo.

The Dangers of Superficial Knowledge. An Introductory Lecture. By JAMES D. FORBES, F.R.S., Corresponding Member of the Institute of France, and Professor of Natural Philosophy in the University of Edinburgh. 2s.

HS

An Estimate of the Human Mind: a Philosophical Inquiry into the legitimate Application and Extent of its leading Faculties, as connected with the Principles and Obligations of the Christian Religion. By J. DAVIES, D.D., Rector of Gateshead. Second Edition, revised, with Additions. Octavo, 14s.