Every Friday, price 2d. Yearly, post-free, 10s. 100. ALSO ISSUED IN MONTHLY Parts. KNOWLEDGE: An Illustrated Magazine of Science, PLAINLY WORDED-EXACTLY DESCRIBED. Edited by R. A. PROCTOR. “KNOWLEDGE is a Weekly Magazine intended to bring the truths, dişcoveries, and inventions of Science and Art before the public in simple but correct terms—to be, in fact, the “minister and interpreter” of Science and Art for those who have not time to master technicalities, and—at a price within the reach of all. The first number of Volume III. commenced with No. 62, January 5, 1883. Vol. II., now ready (June to December, 1882), price 8s. 6d. “KNOWLEDGE" LIBRARY SERIES . Cheap Re-issue of Mr. Proctor's Popular Works. Crown 8vo., Cloth, price 6s. each. A Series of Familiar Dissertations on Stars. 2. Science Byways. A Series of Familiar Dissertations on Life in Other Worlds. 3. The Poetry of Astronomy. strictly scientific aspect than as suggesting thoughts respecting infini- Just Published, Crown 8vo., price 6s, cach." 4. Nature Studies. Reprinted from KNOWLEDGE. A. PROCTOR, and EDWARD CLODD. 5. Leisure Readings. Reprinted from KNOWLEDGE. By EDWARD CLODD, RICHARD A. PROCTOR, and THOMAS Foster. Just Published, Imperiał 8vo., Second Edition, price 5s. 6. The Stars in their Seasons. An easy Guide to a Knowledge of the Star Groups, in Twelve large Maps, showing the Stars at every hour of the night, all the year round. By RICHARD A. PROCTOR. Reprinted from “KNOWLEDGE.” LONDON: WYMAN & SONS, 74–76, GREAT QUEEN ST., W.C. |