Every Friday, price 2d. Yearly, post-free, 10s. 10d. ALSO ISSUED IN MONTHLY PARTS. "Let Knowledge grow from more to more.”—TENNYSON. 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, discoveries, 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" I. 2. 3. 4. LIBRARY SERIES. Cheap Re-issue of Mr. Proctor's Popular Works. Crown 8vo., Cloth, price 6s. each. The Borderland of Science. A Series of Familiar Dissertations on Stars. Science Byways. A Series of Familiar Dissertations on Life in Other Worlds. The Poetry of Astronomy. A Series of Familiar Essays on the Heavenly bodies, regarded less in their strictly scientific aspect than as suggesting thoughts respecting infinities of time and space, of variety, of vitality, and of development. Just Published, Crown 8vo., price 6s. each.*. Nature Studies. Reprinted from KNOWLEDGE. By GRANT ALLEN, ANDREW WILSON, THOMAS FOSTER, RICHARD 5. Leisure Readings. Reprinted from KNOWLEDGE. By EDWARD CLODD, RICHARD A. PROCTOR, and THOMAS FOSTER. 6. Just Published, Imperial 8vo., Second Edition, price 5s. An easy Guide to a Knowledge of the Star Groups, in Twelve large Maps, LONDON: WYMAN & SONS, 74-76, GREAT QUEEN ST., W.C. |