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60. Report of Work done in the Division of chemistn :iml l'h\ sics, ni.-iiiily during the Fiscal 

 Year 1887-'XX. F. W. Clarke, Chief Chemist. Ix9d. s . 174 pp. Price 15 cents. 



til. Coiitriliiitiniis to thr Mineralogy of the Pacific Coast, liv William Harlow Melville and Wal- 

 deiii.ir l.indgTen. isiio. s. lo pp. :;']il. Price 5 cents. 



til'. The Greenstone Schist Areas of the Menominee and Marqiiette Regions of Michigan, a 

 ( '0111 1 -ibution to the Subject of Dynamic Metamorphisin in Eruptive Rocks, by George Huntington 

 Williams, with an Introduction by Roland Dner Irving'. IX'jd. X. 241pp. 16 pi. Price :id cents. 



63. A Bibliography of Paleozoic Crustacea from 1698 to 1889, including a List of North Amer- 

 ican Species and a Systematic Arrangement of Genera, by Anthony W. Vogdes. 1890. 8"-. 177 pp. 

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64. A Re]iort 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, anil West Virginia, by 

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lili. (In a Group of Volcanic Rocks from the TV wan Mountains. New Mexico, and on the Occur- 

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

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(is. F.artlii[iiakes in California in 1889, by James Edward Keeler. 1X90. X- 1 . 25 pp. Price 5 

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

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70. A Report on Astronomical Work of 1XX9 and !X9d. by Robert Simpson Woodward. 1X!IO. 8 C . 

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71. Index to the Known Fossil Inserts of the World, including Myriapods and Arachnids, by 

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72. Altitudes between Lake Superior and the Rocky Mountains, by Warren I'pham. 1X91. 8. 

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73. The Viscosity of Solids, by varl Barns. 1891. 8. xii, 139 pp. 6 pi. Price 15 .cents. 



74. The Minerals of North Carolina, by Frederick Augustus Gentn. 1X91. 8. 119 pp. Price 

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75. Record of North American Gi ohm-y for 1XS7 to 18X11, inclusive, by Nelson Horatio Darton. 

 1X91. 8. 173pp. Price. 15 cents. 



7li. A Dictionary of Altitudes in the I'nitcd state* i Second Edition (.compiled by Henry Gannett, 

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77. The Texan Permian and its Meso/.oic Types of Fossils, by Charles A. White. 1891. X c . 51 

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

 Year 1889-'9U. F. W. Clarke. Chief Chemist. 1891. 8'-. 131pp. Price 15 cents' 



79. A Late Volcanic Eruption in Northern California and its Peculiar Lava, by ,1. S. Diller. 



SI). Correlation Papers Devonian and Carboniferous, by Henry Shaler Williams. 1891. 8. 

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81. Correlation Papers Cambrian, by Charles Doolittle Walcott. 1X91. X-. 547pp. 3 pi. 

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X2. Correlation Papers Cretaceous, by Charles A. White. Ix'.n. s . 273pp. 3 pi. Price 20 



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83. Correlation Papers Eocene, by William Bullock Clark. 1X91. 8. 173pp. 2 pi. Price 



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X4. Correlation Paper; Neocene, by W. 11. Hall and ('.. D. Harris. 1X92. X-. M49 pp. :; pi. 



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85. Correlation Papers The Newark System, by Israel Cook Russell. 1X92. S . ::44 pp. 13 pi. 

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86. Correlation Papen Archean and Algonkian, by C. R. Van Hise. 1X92. 8-. 549pp. 12 pi. 

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87. A Synopsis of American Fossil Brachiopoda. including Bibliography and Synonymy, by 

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88. The Cretaceous Foraminifera of New Jersey, by Rul'ns Mather Bagg, Jr. 1898. 8-. 89 pp. 

 li pi. Price, 10 cents. 



89. Some Lava Flows of the Western Slope of the Sierra Nevada, California, by F. Leslie 

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

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91. Record of North American Geology for 1890, by Nelson Horatio Darton. 1x91. x . xx pp. 

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92. The Compressibility of Liquids, by Carl Barns. 1892. 8 ; . 9fi pp. 29 pi. Price 10 cents. 



93. Some Insects of Special Interest from Florissant, Colorado, and Other Points in the Tertiai ies 

 of Colorado and Utah, by Samuel Hubbard Scudder. 1X92. 8 '. :!5 pp. 3 pi. Price 5 cents. 



94. The Mechanism of Solid Viscosity, by Carl Barns. 1X92. x . i:;x pp. Price 15 cents. 



95. Earthquakes in California in 1890 and 1891, by Edward Singleton Holden. 1x92. x . :;i pp. 

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96. The Volume Thermodynamics of Liquids, by Carl Barus. 1892. 8 '-. 100pp. Price Id cents. 



