1. Administration op Kozaks Settle ment, Orenburg.—Collection of minerals. 2. Alibert, N. P.—Specimens and orna ments of black lead, blocks of nephrite, col lection of other Siberian minerals. 3. Belosselski-Belozerski, Prince K. Katava Iron Works, Oofin Circ. Orenburg Gov. —Steel, wrought and sheet iron. 4. Belosselski - Belozerski, Prince, heirs of, Katava-Ivanofski Iron Works, Orenburg Gov.—Collection of minerals, iron and steel. 5. Bogoslovski Crown Copper Works, Perm Gov.—Specimens of copper ore, and re fined copper, &c. &c. 6. Cabinet of His Imperial Majesty, St. Petersburg.—Collection of samples of polished hard stones, from different Russian quarries. 7. Caucasian Agricultural Society, Tijlis.—Collection of ores, coal, and other Transcaucasian minerals. 8. Demidof, P. P. Nijne-Tagil Works, Perm Gov.— Cast steel, sheet iron, and copper. 9. Golitzyn, Prince S. Nytvinsk Foundry, Okhansk Circ. Perm Gov.—Iron ore, and cut iron bars. 10. Goobin, Heirs of, Nijne-Sergin, and Miehciilof Mining Works, Perm Gov.—Bar and sheet iron. 11. Grechishchef, Michael, near Riazan. —Lime and plaster. 12. Kirghiz District Administration, Orenburg.—Chalk and common salt, from Lake Inder. 16. Mining Department of Poland, Warsaw.—Coal, iron ore, calamine, fire-clay, cast iron, zinc sheets, &c. &c. 17. Ooral Kozaks, Orenburg.—Samples of copper ore, chalk, and gypsum. 18. Pashkof, A. Bogoyavlensky Copper Mines, Orenburg Gov.—Copper ores: lingots, sheets, and wire. 19. Pashkof, M. V. Preobrajensh Mining Works, Orenburg Gov.—Geological specimens, plate and foil copper. 20. Pashkof, Heirs of, Voskressensk Iron Works, Orenburg Gov.—Collection of ores, and other minerals. 21. Permian Mining District Adminis tration. — Collection of ores and other minerals, and of metallurgical products. 22. Popof, A. & N. Bros. Kirghiz District, Siberia.—Native copper, different ores, coal &c. 23. Rachette, Y. Nijnetagilsk, Perm Gov —Models of universal high furnaces and cu pola ovens. 24. Rochefort, Countess, Olghinski Cop per Works, Perm Gov.—Copper ore and metallic copper. ( 1 )