=Davis.=--The Manufacture of Paper: Being a description of the various Processes for the Fabrication, Coloring, and Finishing of every kind of Paper, including the different Raw Materials, and the Methods for Determining their Values, the Tools, Machines, and Practical Details connected with an intelligent and profitable prosecution of the Art, with special reference to the best American practice. To which are added a History of Paper, Complete Lists of Paper-making Materials, List of American Patents for Machines, Tools, and Processes used in Treating the Raw Materials, and in Making, Coloring, and Finishing Paper. By CHARLES THOMAS DAVIS. Illustrated by 180 engravings. One vol. 8vo., 608 pages, $6.00 =Rose.=--Modern Steam Engines: An Elementary Treatise upon the Steam Engine, written in Plain Language, for Use in the Workshop, as well as in the Drawing Office, giving full Explanations of the Construction of Modern Steam Engines; Including Diagrams, showing their Actual Operation. Together with complete, but simple Explanations of the Operations of various kinds of Valves, Valve Motions, and Link Motions, etc., thereby enabling the Ordinary Engineer to clearly understand the Principles involved in their Construction and Use, and to Plot out their Movements upon the Drawing Board. By JOSHUA ROSE, M.E., author of "The Complete Practical Machinist." "Pattern Makers' Assistant," "The Slide Valve," and "Mechanical Drawing Self-Taught." Illustrated by 422 engravings. In one vol. 4to, 320 pages, $6.00 =Erni.=--Mineralogy Simplified. Easy Methods of Identifying Minerals, including Ores, by means of the Blowpipe, by Flame Reactions, by the Spectroscope, and by Humid Chemical Analysis, based on Prof. Von Kobell's Tables for the Determination of Minerals, with an Introduction to Modern Chemistry. By HENRI ERNI, A.M., M.D., Late Professor of Chemistry, some time Chief Chemist of the U.S. Dept. of Agriculture. Second edition, revised and enlarged. Illustrated by 121 engravings. In one vol. 12mo., cloth, 396 pp., $3.00 =Brannt.=--A Practical Treatise on the Raw Materials and the Distillation and Rectification of Alcohol, and the Preparation of Alcoholic Liquors, Liqueurs, Cordials, Bitters, etc. Edited chiefly from the German of Dr. K. Stammer, Dr. F. Elsner, and E. Schubert. By WM. T. BRANNT. Illustrated by 31 engravings. 12mo, $2.50 =Davis.=--A Practical Treatise on the Manufacture of Bricks, Tiles, Terra-Cotta, Drain Tiles, Sewer Pipe, Fire Clays, Fire Bricks, Roofing, Flooring, and Art Tiles, etc., etc. Including full detailed descriptions of the most modern Machines, Tools, Kilns, and Kiln Roofs used. Illustrated by 228 engravings and six plates. 8vo. 472 pages, $5.00 =Dawidowsky-Brannt.=--A Practical Treatise on the Raw Materials and Fabrication of Glue, Gelatine, Gelatine Veneers and Foils, Isinglass, Cements, Pastes, Mucilages, etc. Including a description of the most recent American processes. 35 engravings. 12mo, $2.50