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

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36. SubsidenceofFineSolidParticlesinLiquicls,byCarlBarus. 1886. 8°. 58pp. Price 10 cents. 



37. Types of the Laramie Flora, by Lester F. Ward. L887. 8°. 354pp. 57pl. Price 25 cents. 



38. Peridotite of Elliott County, Kentncky, by J. S.Diller. 1887. 8 J . 31pp. lpl. PrieeScents. 



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

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41. On the Fossil Faunas of 1 1 1 . - Upper Devonian — the Genesee Section, New York, by Henry S. 

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43. Tertiary and Cretaceous S1 rata of t lie Tuscaloosa, Tombigbee, and Alabama Rivers, by Kugene 

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41. Bibliography of North American fJeoli.gy tor 1886, by Nelson H. Darton. 1887. 8°. 35 pp. 



15. I'lie Present Condition of Knowledge of the Geology of Texas, by Robert T. Hill. 1887. 8°. 

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It;. 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 I '." rk . with an Account of the Methods of 

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is. On the Form and Position of the Sea Level, by Robert Simpson Woodward. 1888. 8°. 88 



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49. Latitudes and Longitudes of • lertain 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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52. Subaerial Decay of Rocks and Origin of the Red Color of Certain Formations, by [srael 

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53. The Geology of Nantucket, bj Nathaniel Southgate Shaler. 1889. 8 . 55 pp. lOpl. Price 

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54. <>n the Thermo-Electric Measurement of High Temperatures, bj Carl Barus. 1889. 8°. 

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55. Report of Work done in the Division of Chemistry and Physics, mainly during the Fiscal 

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56. Fossil Wood and Lignite of the Potomac Formation, by Frank Hall Kuowltou. 1889. 8 . 



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57. A Geological Reconhoissance in Southwestern Kansas, by Robert Hay. 1890. 8 . 19 pp. 

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58. The Glacial Boundary in Western Pennsylvania, Ohio, Kentucky, Indiana, and Illinois, by 

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.Mi. The Gabbros and Associated Rocks in Delaware, by Frederick D. Chester. 1890. 8°. 15 

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60. Report of Work done in the Division of Chemistry and Physics, mainly during the Fiscal 

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ill. I ontributions to the Mineralogy of the Pacific Coast, by William Harlow Melville and Wal- 

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62. The Greenstone Schist Areas of the Menominee and Marquette Regions of Michigan, a Con- 

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63. A Bibliography of Paleozoic Crustacea from inns to 1889, including a. List of North Amer- 

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61. A Report of Work done in the Division of Chemistry and Physics, mainly during the Fiscal 

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65. Stratigraphy of the Bituminous Coal Field of Pennsylvania, Ohio, and West Virginia, by 

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66. i in a Croup of Volcanic Rocks from the Tewan Mountains. New Mexico, and on the < leeiir- 

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67. The Relationsof the Traps of the Newark System in the New Jersey Region, by Nelson 

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68. Earthquakes in California in 1889, by James Edward Keeler. 1890. 8°. 25 pp. Price 5 

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69. i. Classed and Annotated Biography of Fossil Insects, by Samuel Howard Scudder. 1890. 

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