SECOND PROGRESS REPORT OF THE CAMPAIGN AGAINST MOSQUITOES IN SIERRA LEONE (1902). By M. Logan Taylor, M.B. (Liverpool School of Tropical Medicine, Memoir V. 2.) 1s.

REPORT ON MALARIA AT ISMAILIA AND SUEZ. (Liverpool School of Tropical Medicine, Memoir IX.) 1s.

SANG'S LOGARITHMS. A new Table of Seven-place Logarithms of all Numbers continuously up to 200,000. 2nd Edition. Royal 8vo, cloth. 21s.

SCHREBER (D. G. M.). MEDICAL INDOOR GYMNASTICS, or a System of Hygienic Exercises for Home Use, to be practised anywhere, without apparatus or assistance, by young and old of either sex, for the preservation of health and general activity. Revised and Supplemented by Rudolf Graefe, M.D. With a large plate and 45 illustrations in the text. Royal 8vo, cloth. 3s. net.

"The exercises described, when efficiently used, will undoubtedly be of value in strengthening and developing the muscular system. The descriptions of the exercises and the figures in the text are excellent."—Physician and Surgeon.

"Well worthy of the attention of those who go in for regular physical training as a means for the preservation of health."—Scotsman.

"A very sensible little treatise."—Glasgow Herald.

SCHROEN (L.). SEVEN-FIGURE LOGARITHMS OF NUMBERS from 1 to 108,000, and of Sines, Cosines, Tangents, Cotangents to every 10 Seconds of the Quadrant. With a Table of Proportional Parts. By Dr. Ludwig Schroen, Director of the Observatory of Jena, etc., etc. 5th Edition, corrected and stereotyped. With a description of the Tables by A. De Morgan, Professor of Mathematics in University College, London. Imp. 8vo, cloth, printed on light green paper. 9s.

SEGER. COLLECTED WRITINGS OF HERMAN AUGUST SEGER. (Papers on Manufacture of Pottery.) 2 vols. Large 8vo. £3, 3s. net per set; per volume, 31s. 6d. net.