THE CHEMICAL EFFECTS OF LIGHT AND PHOTOGRAPHY, in their application to Art, Science, and Industry. Third Edition. The translation thoroughly revised. With 100 Illustrations, including some beautiful Specimens of Photography. 5s.

Volume XV. of the International Scientific Series.

Vyner (Lady Mary).

EVERY DAY A PORTION. Adapted from the Bible and the Prayer Book, for the Private Devotions of those living in Widowhood. Collected and Edited by Lady Mary Vyner. Square crown 8vo. Elegantly bound. 5s.

Waiting for Tidings.

WAITING FOR TIDINGS. By the Author of "White and Black." 3 vols. Crown 8vo.

Wartensleben (Count Hermann von), Colonel in the Prussian General Staff.

THE OPERATIONS OF THE SOUTH ARMY IN JANUARY AND FEBRUARY, 1871. Compiled from the Official War Documents of the Head-quarters of the Southern Army. Translated by Colonel C. H. von Wright. With Maps. Demy 8vo. 6s.

THE OPERATIONS OF THE FIRST ARMY UNDER GEN. VON MANTEUFFEL. Translated by Colonel C. H. von Wright. Uniform with the above. Demy 8vo. 9s.

These works form separate volumes of Henry S. King and Co.'s Military Series.