The Pocket Books of Sir G. L. Molesworth and J. T. Hurst, printed on India paper and bound in one vol. Royal 32mo, russia, gilt edges. 10s. 6d. net.

Metallic Structures: Corrosion and Fouling and their Prevention. By J. Newman. 38 Illus., xii + 374 pp., crown 8vo. (1896.) 9s.

Scamping Tricks and Odd Knowledge occasionally practised upon Public Works. By J. Newman. New imp., 129 pp., crown 8vo. (1908.) 2s. net.

Compensation Discharge in the Rivers and Streams of the West Riding (Yorkshire, England). By M. M. Paterson. 55 pp., 8vo. (1896.) 2s. net.

Co-ordinate Geometry applied to Land Surveying. By W. Pilkington. 5 illus., 44 pp., 12mo. (1909.) 1s. 6d. net.

Pioneering. By F. Shelford. 14 Illus., 88 pp., crown 8vo. (1909.) 3s. net.

Topographical Surveying. By G. J. Specht. Second edition, 2 plates and 28 illus., 210 pp., 18mo, boards. (New York, 1898.) 2s. net.

Spons' Dictionary of Engineering, Civil, Mechanical, Military and Naval. 10,000 illus., 4,300 pp., super royal 8vo. (1874, Supplement issued in 1881.) Complete, in 4 vols. £3 3s. net.

Surveying and Levelling Instruments. By W. F. Stanley. Fourth edition in preparation.

Surveyor's Handbook. By T. U. Taylor. 116 illus., 310 pp., crown 8vo, leather, gilt edges. (New York, 1908.) 8s. 6d. net.