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15. On the Mesozoie 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. 3pl. Price 5 cents. 
17. On the Development of Crystallization in the Igneous Rocks of Washoe, Nevada, with Notes 
on the Geology of the District, by Arnold Hague and Joseph P. Iddings. 1585. 8°. 44 pp. Price 5 
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18. On Marine Eocene, Fresh-water Miocene, and other Fossil Mollusca of Western North America, 
by Charles A. White. 1885. 8°. 26 pp. 3pl. Price 5 cents. 
19. Notes on the Stratigraphy of California, by George F. Becker. 1885, 8°. 28pp. Price Scents. 
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 Sionx Reservation. A Report on the Region between the Grand aud 
Moreau Rivers, Dakota, by Bailey Willis. 1885. 8°. 16 pp. 5pl. Price 5 cents. 
22, On New Cretaceous Fossils from California, by Charles A. White. 1855. 8°. 25 pp. 5 pl. 
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23. Observations on the Junction between the Eastern Sandstone and the Keweenaw Scries on 
Keweenaw Point, Lake Superior, by R. D. Irving ane I. C. Chamberlin. 1855. 8°. 124 pp. 17 pl. 
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 Healey Dall. 
1885. 8°. 3386 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°. 197 pp. Price 10 cents. 
27. Report of work done in the Division of Chemistry and Physics, mainly during the fiscal year 
188485. 1886. 8°. 80 pp. Price 10 cents. 
28. The Gabbros and Associated Hornblende Rocks oceurring in the Neighborhood of Baltimore, 
Md., by George Huntington Williams. 1886. 8°. 73 pp. 4 pl. Price 10 cents. 
29, On the Fresh-water Invertebrates of the North American Jurassic, by Charles A. White. 1886. 
8°. 41 pp. 4pl. Price 5 cents. : 
30. Second Contribution to the Studies on the Cambrian Faunas of North America, by Charles 
Doolittle Walcott. 1=86. 8°. 369 pp. 33 pl. Price 25 cents, 
3L. 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 
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. Prices cents. 
34. On the relation of the Laramie Molluscan Fauna 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°. 
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. 97 pl. Price 25 cents. 
38. Peridotite of Elliott County, Kentacky, by J S. Diller. 1887. 8°. 3lpp. Ipl. Price 5 cents. 
39. The Upper Beaches and Deltas of the Glacial Lake Agassiz, by Warren Upham. 1837. 8°. 
84 pp. Lpl. Price 10 cents. 
40. Changes in River Courses in Washington Territory due to Glaciation, by Bailey Willis. 137. 
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41. On the Fossil Faunas of the Upper Devonian—the Genesee Section, New York, by Henry S. 
Williams, 1857. 8°. 121 pp. 4 pl. Price 15 cents. 
42, Report of work done in the Division of Chemistry and Physics, mainly during the fiscal year 
1885286. F. W. Clarke, chief chemist. 1887. 8°. 152 pp. 1lpl. 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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45. The Present Condition of Knowledge of the Geology of Texas, by Robert T. Hill. 1587. 8°. 
94 pp. Price 10 cents. 
46. Nature and Origin of Deposits of Phosphate of Lime, by R. A. I. Penrose, jr., with an Intro- 
duction by N.S. Shaler. 1888. 6°. 143 pp. Price 15 cents. 
47. Analyses of Waters of the Yellowstone National Park, with an Account of the Methods of 
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4s. On the Form and Position of the Sea Level, by Robert Simpson Woodward. 1888, 5°. 83 
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49. Latitudes and Longitudes of Certain Points in Missouri, Kansas, and New Mexico, by Robert 
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50. Formulas and Tables to facilitate the Construction and Use of Maps, by Robert Simpson 
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51, On Invertebrate Fossils from the Pacific Coast, by Charles Abiathar White, 1889, 8°, 102 
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