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8. On Secondary Enlargements of Mineral Fragments in Certain Rocks, by R. D. Irving and ('. 

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9. A Report of work done in the Washington Laboratory during the fiscal year 1883 '84. F.W. 

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10. On the Cambrian Faunas of North America. Preliminary studies, by Charles Doolitl le \\ al 

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11. On the Quaternary and Recent Mollusca of the Great Basin; with Descriptions of New 

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12. A Crystallographic Study of the Thinolite of Lake Lahontan, by Edward S. Dana. 1884. 8 . 

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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 Paleontologj of California, i>\ Charles A. White. 1885. 8°. 

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16. On the Higher Devonian Faunas of Ontario County, New York, b j John M.Clarke. 1885. 8 

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17. On the Develo] nt of Crystallization in the Igneous Rocks of Wasbbe, Nevada, with Notes 



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18. < 'n 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°. 28pp. Price5ceuts 



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 Ureal Sioux Reservation. A Report on the Region between the Grand 

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22. On New Cretaceous Fossils from California, by Charles A. White. 1885. 8 . 25pp, 5 pi. 

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23. Observations on the Junction between the Eastern Sandst and the Keweenaw Scries mi 



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24. List of Marine Mollusca, comprising the Quaternary fossils and recent forms from American 

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25. The Present Technical Condition of the steel Industry of the United stales, by Phineas 

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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 yeai 

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28. TheGabbros 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. DLler. 1886. 8 . 23 pp. Price5cents. 



34. < >n the relation of the Laramie Molluscau Fauna to thai 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. SubsidenceofFineSolidParticlesinLiquid»,bvCarlBarus. 1886. 8 . 58pp. PricelOcente. 



37. Types of the Laramie Flora, by Lester F. Ward. 1887. 8°. 354 pp. 57 pi. Price 25 cents. 



38. PeridotiteofElliottCounty, Kentucky, by J. S.Diller, 1887. 8°. 31pp. Ipl. Price.-, 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, l>\ Bailey Willis. 1887. 

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11. <»n the Fossil Faunas of the Upper Devonian — the Genesee Section, New York, li\ Henrj S 

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42. Report of wink done iii the Division of Chemistry and Physics, mainly during the fiscal year 

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43. Tertiary and Cretaceous Strata of i he Tuscaloosa, Tombigbee, and Alabama Rivers, by Eugene 

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