ADVERTISEMENT. III 
12. A Crystallographic Study of the Thinolite of Lake Lahontan, by Edward 8. Dana. 1884. 8°. 
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13. Boundaries of the United States and of the several States and Territories, with a Historical 
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14. The Electrical and Magnetic Properties of the Iron-Carburets, by Carl Barus and Vincent 
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15. On the Mesozoic and Cenozoic Paleontology of California, by Charles A. White. 1885. 8°, 
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16. On the Higher Devonian Fannas of Ontario County, New York, by John M. Clarke. 1885, 8°, 
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17. On the Development of Crystallization in the Igneous Rocks of Washoe, Nevada, with Notes 
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18. On Marine Eocene, Fresh-water Miocene, and other Fossil Mollusca of Western North America, 
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19. Notes on the Stratigraphy of California, by George F. Becker. 1885. 8°, 28 pp. Price5 cents. 
20. Contributions to the Mineralogy of the Rocky Mountains, by Whitman Cross and W. F. Hille- 
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21. The Lignites of the Great Sioux Reservation. A Report on the Region between the Grand and 
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22. On New Cretaceous Fossils from California, by Charles A. White. 1885. 8°, 25 pp. opi. 
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23. Observations on the Junction between the Eastern Sandstone and the Keweenaw Series on 
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24. List of Marine Mollusca, comprising the Quaternary fossils and recent forms from American 
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1885. 8°. 336 pp. Price 25 cents. 
25. The Present Technical Condition of the Steel Industry of the United States, by Phineas Barnes. 
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26. Copper Smelting, by Henry M. Howe. 1885. 8°. 107 pp. Price 10 cents. 
27. Report of work done in the Division of Chemistry and Physics, mainly during the fiscal year 
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28. The Gabbros and Associated Hornblende Rocks occurring in the Neighborhood of Baltimore, 
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29. On the Fresh-water Invertebrates of the North American Jurassic, by Charles A. White. 1886. 
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30. Second Contribution to the Studies on the Cambrian Faunas of North America, by Charles 
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31. Systematic Review of our Present Knowledge of Fossil Insects, including Myriapods and 
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32. Lists and Analyses of the Mineral Springs of the United States; a Preliminary Study, by 
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33. Notes on the Geology of Northern California, by J.S. Diller. 1886. 8°. 23 pp. Priced cents. 
34, On the relation of the Laramie Molluscan Fanna to that of the succeeding Fresh-water Eocene 
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35. Physical Properties of the Iron-Carburets, by Carl Barus and Vincent Strouhal. 1886. 8°. 
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36. Subsidence of Fine Solid Particles in Liquids, by Carl Barus. 1886. 8°. 58 pp. Price 10 cents. 
37. Types of the Laramie Flora, by Lester F. Ward. 1887. 8°. 354 pp. 57 pl. Price 25 cents. 
38. Peridotite of Elliott County, Kentacky, by JS. Diller. 1887. 8°. 31 pp. 1 pl. Price 5 cents. 
39. The Upper Beaches. and Deltas of the Glacial Lake Agassiz, by Warren Upham. 1887. 8°, 
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40. Changes in River Courses in Washington Territory due to Glaciation, by Bailey Willis. 1387, 
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41. On the Fossil Faunas of the Upper Devonian—the Genesee Section, New York, by Henry S. 
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42. Report of work done in the Division of Chemistry and Physics, mainly during the fiscal year 
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43. Tertiary and Cretaceous Strata of the Tuscaloosa, Tombigbee, and Alabama Rivers, by Eugene 
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44. Bibliography of North American Geology for 1886, by Nelson H. Darton. 1887. 8°. 35 pp. 
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45. The Present Condition of Knowledge of the Geology of Texas, by Robert. T. Hill. 1887, 8°. 
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46. Nature and Origin of Deposits of Phosphate of Lime, by R. A. F. Penrose, jr., with an Intro- 
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47. Analyses of Waters of the Yellowstone National Park, with an Account of the Methods of 
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48. On the Form and Position of the Sea Level, by Robert Simpson Woodward. 1888. 8°. 88 
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