GEODESY. By J. Howard Gore. Crown 8vo, cloth, Illustrated, 5s.

THE PHYSICAL PROPERTIES OF GASES. By Arthur L. Kimball, of the Johns Hopkins University. Crown 8vo, cloth, Illustrated, 5s.

HEAT AS A FORM OF ENERGY. By Professor R. H. Thurston, of Cornell University. Crown 8vo, cloth, Illustrated, 5s.


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A SHORT TREATISE OF BELGIAN LAW AND Legal Procedure. From a Practical Standpoint, for the Guidance of British Traders, Patentees, and Bankers, and British Residents in Belgium. By Gaston De Leval. Fcap. 8vo, paper, 1s. 6d.

PRISONERS ON OATH, PRESENT AND FUTURE. By Sir Herbert Stephen, Bart. 8vo, boards, 1s. net.

THE ARBITRATOR'S MANUAL. Under the London Chamber of Arbitration. Being a Practical Treatise on the Power and Duties of an Arbitrator, with the Rules and Procedure of the Court of Arbitration, and the Forms. By Joseph Seymour Salaman, Author of "Trade Marks," &c. Fcap. 8vo, 3s. 6d.