397 



Exposition du Havre, 1868, 381 



Exposition Universelle de Paris, 1867, 381 



International Exhibition, London, 1862, 383 



Wiener Weltausstellung, 1873, 383 



IRON, (Metallurgy of,) 274 



LEAD, (Metallurgy of,) 283 



Leveling, See APPLIED GEOMETRY, 199 



Lithology. See PETROGRAPHY, 302 



LOCAL GEOLOGY AND GEOGNOSY 



Europe, Asia and Australia, 304 



British America, Mexico, Central America and South America, 308 



The United States, 309, 315 



Logarithmic Tables. See General Reference and Tables 199 



Machines. See RATIONAL MECHANICS, 204 



MECHANICAL ENGINEERING 359 



Manures. See AGRICULTURE, 292 



AGRICULTURAL CHEMISTRY, 245 



Materials of Construction and Strength of Materials. See CIVIL ENGI- 

 NEERING, 347 



MATHEMATICS 



Arithmetic, 195 



Analysis, 197 



Geometry, 198 



Applied Geometry, 199 



Rational Mechanics, 204 



Astronomy, 206 



Medical Chemistry. See ANIMAL AND MEDICAL CHEMISTRY, 247 



Mechanics. See RATIONAL MECHANICS, , ... 204 



MECHANICAL ENGINEERING, , 359 



Periodical Publications, 351 



METALLURGY 



Generalities, 263 



Furnaces and Fuels, 271 



Iron, 274 



Steel, 281 



Gold and Silver, 283 



Copper, Lead, Tin, Nickel, Zinc and Cobalt 283 



Assaying, 285 



Periodical Publications, 267 



METEOROLOGY AND TERRESTRIAL MAGNETISM, 341 



Metric System. See Weights, Measures and Coins, 195 



MICROSCOPY, 219 



Periodical Publications, 219 



MILITARY ENGINEERING, 363 



Periodical Publications, 351 



MINERALOGY 



Descriptive Mineralogy, 325 



Determinative Mineralogy and Blowpipe Analysis, 331 



Crystallography, 333 



