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

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61. Coutriljntions to the Mineralogy of the Pacific Coast, by William Harlow Melville and Wal- 

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(i2. The Greenstone .Schist Areas of the Menominee and Marquette Regions of Michigan, a 

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

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

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65. Strntiiiraphv of the Bituminous Coal Field of Peuusvlvauia, Ohio, and West Virginia, by 

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66. Ot\ :\ (iron]! of Volcanic Rocks from the Tewau 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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68. Earthquakes in California in 1889, by James Edward Keeler. 1890. 8<^. 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 Astrouomical Work of 1889 and 1890, by Robert Simpson Woodward. 1890. 8^. 

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71. Index to the Known Fossil Insects of the World, inclnding Myriapods and Arachnids, by 

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72. Altitudes lietweeu Lake Sujierior and the Rocky Mountains, by Warren Upham. 1891. 8"^. 

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73. The Viscosity of Solids, by varl Barns. 1891. 8^. xii, 1S9 pp. 6 pi. Price 15 .cents. 



74. The Minerals of North Carolina, by Frederick Augustus Genth. 1891. 8'^. 119 pp. Price 

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75. Record of North American Geology for 1887 to 1889, inclusive, by Nelson Horatio Darton. 

 1891. 8^. 173 pp. Price 15 cents. 



76. A Dictionary of Altitudes in the United States (Second Edition), compiled by Henry Gannett, 

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77. The Texan Permian and its Mesozoie Types of Fossils, by Charles A. White. 1891. 8°. 51 

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78. A Kepuit oi ''\'(irli ilone in the Division of Chemistry and Physics, mainly during the Fiscal 

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79. A l.Mte \ iileanic Irruption in Northern California and its Peculiar Lava, by J. S. Diller. 



80. Cinrehitioii Papers — Devonian and Carboniferous, by Henry Shaler Williams. 1891. 8°. 

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81. Cuiielntinii Papers— Cambrian, by Charles Doolittle Walcott. 1891. 8°. 547 pp. 3 pi. 

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82. Correlation Papers— Cretaceous, by Charles A. White. 1891. 8>^. 273 pp. 3 pi. Price 20 

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83. Correlation Papers— Eocene, by William Bullock Clark. 1891. 8°. 173 pp. 2 pi. Price 

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84. Correlation Papers— Neocene, by W. H. Dall and G. D. Harris. 1892. S'^. 349 pp. 3 pi. 

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85. Correlation Papers — The Newark System, by Israel Cook Russell. 1892. 8"^. 344 ])ii. 13 jil. 

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86. Correlation Papers — Archean and Algonkian, by C. R. Van tlise. 1892. 8^. 549 pp. 12 pi. 

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

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88. The Cretaceous Foramiuifera of New Jersey, by Rufns Mather Bagg, Jr. 18?8. 8-^. 89 pp. 

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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 uf ( licmistry and Physics, mainly during the Fiscal 

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91. Record of North American Geology lor 1890, liy Nelson Horatio Darton. 1891. 8^^. 88 pp. 

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92. The Compressibility of Liquids, by Carl Barns. 1892. 8°. 96 pp. 29 pi. Price 10 cents. 



93. Some Insects of Special Interest frmu I'^lorissant, Colorado, and Other Points in the Tertiaries 

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94. The Mechanism of Soli. I \iseosity, by Carl Barns. 1892. 8^\ 138 pp. Price 15 cents. 



95. Earthquakes in Califoiiua in ISHi and 1891, by Edward Singleton Holden. 1892. 8^. 31 pp. 

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96. The Volume Thermodynamics of Li(|Uids, by Carl Barns. 1892. 8^-. 100 pp. Price 10 cents. 



