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10. On the Cambrian Faunas of North America. Preliminary studies, by Charles Doolittle Walcott. 



1884. 8°. 74 pp. 10 pi. Price 5 cents. 



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

 by R. Ellsworth Call. Introduced by a sketch of the Quaternary Lakes of the Great Basin, by G. K. 

 Gilbert. 1884. 8°. 66 pp. 6 pi. Price 5 cents. 



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

 34 pp. 3 pi. Price 5 cents. 



13. Boundaries of the United States and of the several States and Territories, with a Historical 

 Sketch of the Territorial Changes, by Henry Gannett. 1885. 8°. 135 pp. Price 10 cents. 



14. The Electrical and Magnetic Properties of the Iron- Carburets, by Carl Barus and Vincent 

 Strouhal. 1885. 8°. 238 pp. Price 15 cents. 



.\ 15. On the Mesozoic and Cenozoic Paleontology of California, by Charles A. White. 1885. 8°. 33 pp. 

 Price 5 cents. 

 * 16. On the Higher Devonian Faunas of Ontario County, New York, by John M. Clarke. 1885. 8°. 

 / 86 pp. 3 pi. Price 5 cents. 



17. On the Development of Crystallization in the Igneous Bocks of Washoe, Nevada, with notes on 

 the Geology of the District, by Arnold Hague and Joseph P. Iddiugs. 1885. 8°. 44 pp. Price 5 

 cents. 

 \ 18. On Marine Eocene, Fresh-water Miocene, and other Fossil Mollusca of Western North America, 

 by Charles A. White. 1885. 8°. 26 pp. 3 pi. Price 5 cents. 



19. Notes on the Stratigraphy of California, by George F. Becker. 1885. 8°. 28 pp. Price 5 cents. 



20. Contributions to the Mineralogy of the Rocky Mountains, by Whitman Cross and W. F. Hille- 

 brand. 1885. 8°. 114 pp. 1 pi. Price 10 cents. 



21. The Lignites of the Great Sioux Reservation. A Report on the Region between the Grand and 

 Moreau Rivers, Dakota, by Bailey Willis. 1885. 8°. 16 pp. 5 pi. Price 5 cents. 



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

 Price 5 cents. 



23. Observations on the Junction between the Eastern Sandstone and the Keweenaw Series on Ke- 

 weenaw Point, Lake Superior, by R. D. Irving and T. C. Chamberliu. 1885. 8°. 124 pp. 17 pi. 

 Price 15 cents. 



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

 Localities between Cape Hatteras and Cape Roque, including the Bermudas, by William Healy Dall. 



1885. 8°. 336 pp. Price 25 cents. 



25. The Present Technical Condition of the Steel Industry of the United States, by Phineas Barnes. 

 1885. 8°. 85 pp. Price 10 cents. 



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 

 1884-'85. 1886. 8°. 80 pp. Price 10 cents. 



28. The Gabbros and Associated Hornblende Rocks occurring in the neighborhood of Baltimore, 

 Md., by George Huntington Williams. 1886. 8°. 78 pp. 4 pi. Price 10 cents. 



> 29. On the Fresh- water Invertebrates of the North American Jurassic, by Charles A. White. 1886. 

 8°. 41 pp. 4 pi. Price 5 cents. 



- 30. Second Contribution to the Studies on the Cambrian Faunas of North America, by Charles Doo- 

 little Walcott. 1886. 8°. 369 pp. 33 pi. Price 25 cents. 

 y, 31. Systematic Review of our Present Knowledge of Fossil Insects, including Myriapods and Arach- 

 nids, by Samuel Hubbard Scudder. 1886. 8°. 128 pp. Price 15 cents. 



32. Lists and Analyses of the Mineral Springs of the United States; a Preliminary Study, by Albert 

 C. Peale. 1886. 8°. 235 pp. Price 20 cents. 



33. Notes on the Geology of Northern California, by J. S. Diller. 1886. 8°. 23 pp. Price 5 cents. 

 s. 34. On the relation of the Laramie Molluscan Fauna to that of the succeeding Fresh-water Eocene 



and other groups, by Charles A. White. 1886. 8°. 54 pp. 5 pi. Price 10 cents. 



35. Physical Properties of the Iron-Carburets, by Carl Barus and Vincent Strouhal. 1886. 8°. 62 

 pp. Price 10 cents. 



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 pi. Price 25 cents. 



38. Peridotite of Elliott County, Kentucky, by J. S. Diller. 1887. 8°. 31 pp. 1 pi. Price 5 cents. 



39. The Upper Beaches and Deltas of the Glacial Lake Agassiz, by Warren Uphani. 1887. 8°. 84 

 pp. 1 pi. Price 10 cents. J 



40. Changes in River Courses in Washington Territory due to Glaciation, by Bailey Willis. 1887. 

 8°. 10 pp. 4 pi. Price 5 cents. 



^> 41. On the Fossil Faunas of the Upper Devonian— the Genesee Section, New York, by Henry S. 

 Williams. 1887. 8°. 121 pp. 4 pi. Price 15 cents. 



42. Report of work done in the Division of Chemistry and Physics, mainly during the fiscal year 

 1885-86. F. W. Clarke, chief chemist. 1887. 8°. 152 pp. 1 pi. Price 15 cents. 



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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