With three lithographed folding plates of illustrations. 4to, illustrated, cloth 3 00 *MICHIE, Prof. P. S.--Elements of Wave Motion relating to Sound and Light.* Text-Book for the U. S. Military Academy. 8vo, cloth, illustrated 5 00 *MINIFIE, WM--Mechanical Drawing.* A Text-Book of Geometrical Drawing for the use of Mechanics and Schools, in which the Definitions and Rules of Geometry are familiarly explained; the Practical Problems are arranged, from the most simple to the more complex, and in their description technicalities are avoided as much as possible. With illustrations for Drawing Plans, Sections, and Elevations of Railways and Machinery; an Introduction to Isometrical Drawing, and an Essay on Linear Perspective and Shadows. Illustrated with over 200 diagrams engraved on steel. Ninth edition. With an Appendix on the Theory and Application of Colors. 8vo, cloth 4 00 "It is the best work on drawing that we have ever seen, and is especially a text-book of Geometrical Drawing for the use of Mechanics and Schools. No young Mechanic, such as a Machinist, Engineer, Cabinet-maker, Millwright, or Carpenter, should be without it."--_Scientific American._ ---- *Geometrical Drawing.* Abridged from the octavo edition, for the use of schools. Illustrated with 48 steel plates. Fifth edition. 12mo, cloth 2 00 *MODERN METEOROLOGY.* A Series of Six Lectures, delivered under the auspices of the Meteorological Society in 1878. Illustrated. 12mo, cloth 1 50 *MONROE, Col. J.--Light Infantry Company and Skirmish Drill.* Bayonet Fencing; with a Supplement on the Handling and Service of Light Infantry. 32mo, cloth 75 *MOORE, FRANK--The Rebellion Record.* Containing a full and concise Diary of Events from December, 1860, to the close of the War of the Rebellion, with Official Reports of State Officers and Narratives of all the Battles and Skirmishes that occurred. Complete in twelve volumes royal 8vo. Illustrated with 158 steel engraved Portraits of distinguished Generals and Prominent Men, together with numerous Maps and Plans of Battles. Price in cloth 60 00 Library sheep 72 00 Half calf, antique 78 00 Half morocco 78 00 Half Russia 84 00 ---- *Portrait Gallery of the War, Civil, Military, and Naval.*