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69. A Classed and Annotated Bibliography of Fossil Insects, by Samuel Hubbard Scudder. 1890. 
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70. Report on Astronomical Work of 1889 and 1890, by Robert Simpson Woodward 1890. 8°. 79 pp. 
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71. Index to the Known Fossil Insects of the World, including Myriapods and A rachnids, by Samuel 
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72. Altitudes between Lake Superior and the Rocky Mountains, by Warren Uphani. 1891. 8°. 
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75. Record of North American Geology for 1887 to 1889, inclusive, by Nelson Horatio Darton. 1891. 
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77. The Texan Permian and its Mesozoic Types of Fossils, by Charles A. White. 1891. 8°. 51 pp. 
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85. Correlation papers — The Newark System, by Israel Cook Russell. 1892. 8°. 344 pp. 13 pi. 
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91. Record of North American Geology for 1890, by Nelson Horatio Darton. 1891. 8°. 88 pp. Price 
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92. The Compressibility of Liquids, by Carl Barus. 1892. 8°. 96 pp. 29 pi. Price 10 cents. 
93. Some Insects of Special Interest from Florissant, Colorado, and other points in the Tertiaries of 
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94. The Mechanism of Solid Viscosity, by Carl Barus. 1892. 8°. 138 pp. Price 15 cents. 
95. Earthquakes in California in 1890 and 1891, by Edward Singleton Holden. 1892. 8°. 31 pp, 
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96. The Volume Thermodynamics of Liquids, by Carl Barus. 1892. 8°. 100 pp. Price 10 cents. 
97. The Mesozoic Echinodermata of the United States, by William Bullock Clark. 1893. 8°. 20? 
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98. Flora of the Outlying Carboniferous Basins of Southwestern Missouri, by David White. 1893 
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100. Bibliography and Index of the Publications of the U. S. Geological Survey, 1879-1892, by Philip 
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101. Insect Fauna of the Rhode Island Coal Field, by Samuel Hubbard Scudder. 1893. 8°. 27 pp 
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102. A Catalogue and Bibliography of North American Mesozoic Iuvertebrata, by Cornelius Breck 
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105. The Laramie and the overlying Livingston Formation in Montana, by Walter Harvey Wee<\. 
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