ADVKRTISEMKNT. V 



70. A Report on Astronomical Work of 1889 and 1890, by Robert Simpson Woodward. 1890. 8°. 

 79 pp. Price 10 cents. 



71. Index to the Known Fossil Insects of tbe World, including Mvriapods and Arachnids, by 

 Samn(4 Hubbnnl Siiidder. 1891. 8'^. 744 pp. Price 50 cents. 



72. Aliitiulcs between Lake Superior and the Rocky Mountains, by Warren rphaiii. 1891. 8°. 

 229 pp. Price 20 cents. 



73. The Viscosity of Solids, by Carl Barns. 1891. S^. xii, 139 pj), li ])l. Price 15 cents. 



74. The Minerals of North Carolina, by Frederick Augustus (ienth. ISill. 8"^. 119 jip. Price 

 15 cents. 



75. Record of North Anu^rican Geology for 1887 to 1889, inclusive, bv Nelson Horatio Darton. 

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



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

 Chief Topographer. "1891. 8^. 393 pp. Price 25 cents. 



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

 pp. 4 pi. Price 10 cents. 



78. A Report of Work done in the Division of Chemistry and Phvsics, mainlv during the Fiscal 

 Year 1889-90. F. W. Clarke, Chief Chi'mist. 1H'.)\. 8. 131 pp. Price 15 eents.' 



79. A Late Volcanic Eru)>li(>n in Northern Calil'oinia and its Peculiar Lava, by .7. S. Diller. 



80. Correlation Papers — Devonian and Carboniferous, bv Henry Shaler Williams. 1891. 8°. 

 279 pp. Price 20 cents. 



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

 Price 25 cents. 



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

 cents. 



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

 15 cents. 



84. Correlation Papers— Neocene, liy W. H. Dall and G. D. Harris. 1892. 8^. 349 pp. 3 pi. 

 Price 25 cents. 



85. Correlation Papers— The Newark System, by Israel Cook Russell. 1892. 8°. 344 i)p. 13 pi. 

 Price 25 cents. 



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

 Price 25 cents. 



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

 Year 1890- 91. F. W. Clarke, Chief Chemist. 1892. 8°. 77 pp. Price 10 cents. 



91. Record of North American Geology for 1890, by Nelson Horatio Darton. 1891. 8°. 88 pp. 

 Price 10 cents. 



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



93. Some Insects of Speeinl Interest from Florissant, Colorado, aud Other Points in the Tertiaries 

 of Colorado and Utah, by Samuel Hnbbanl Seuddcr. 1892. 8"^. 35 pp. 3 pi. Price 5 cents. 



94. The Mechanism of Solid \i,-,e(isitv, by Carl Barus. 1892. 8-. 138 pp. Price 15 cents. 



95. Earthquakes in California in 1890 and 1891, by Edward Singleton Holden. 1892. 8^. 31pp. 

 Price 5 cents. 



96. The Volume Thennodvnamics of Liquids, by Carl Barus. 1892. 8\ 100 pp. Price 10 cents. 



97. The Mesozoic Echinodermata of the United States, by W.B.Clark. 1893. 8". 207 pp. .50 pi. 

 Price 20 cents. 



98. Flora of the Outlying Carboniferous Basins of .Soutbwestein Missouri, bv David White. 

 1893. 8-^'. 139 pp. 5 pi. Price 15 cents. 



99. Record of North American Geology for 1891, by Nelson Horatio Darton. 1892. 8°. 73 pp. 

 Price 10 cents. 



100. Bibliography and Index of the Publications of the U. S. Geological Survey, 1879-1892, by 

 Philip Creveling Warman. 1893. 8"^. 495 pp. Price 25 cents. 



101. lusect Fanna of the Rhode Island Coal Field, by Samuel Hubbard Scudder. 1893. 8°. 

 27 pp. 2 pi. Price 5 cents. 



102. A Catalogue and Bibliography of North American Mesozoic Invertebrata, by Cornelius 

 Breckinridge Boyle. 1892. 8"^. 315 pp. Price 25 eents. 



103. High Temperature \\'ork in Igneous Fusion and Ebullition, chiefly in Relation to Pressure, 

 by Carl Barus. 1893. 8°. 57 pp. 9 pi. Price 10 cents. 



104. Glaciation of the Yellowstone Valley north of the Park, by Walter Harvey Weed. 1893. 8°. 

 41 pp. 4 ])1. Price 5 cents. 



105. The Laramie and the 0\erlying Livingstone Formation in Montana, by W.alter Harvey 

 Weed, with Report on Flora, by Frank Hall Knowlton. 1893. 8° 68 pp. 6 pi. Price 10 cents. 



106. The Colorado Formation and its Invertebrate Fauna, by T. W. Stanton. 1893. 8°. 288 

 pp. 45 pi. Price 20 cents. 



107. The Trap Dikes of Lake Chamijlaiu Valley and the Eastern Adirondacks, by James Furman 

 Kemp. 



108. A Geological Reconuoissance in Central Washington, by Israel Cook Russell. 1893. 8". 

 108 pp. 12 ])1. Price 15 cents. 



109. The Eruptive and Sedimentary Rocks on Pigeon Point, Minnesota, and their Contact Phe- 

 nomena, by William .Shirley Bayley. 1893. 8°. 121pp. 16 pi. Price 15 cents. 



110. The Paleozoic Section in the Vicinity of Three Forks, Montana, by Albert Charles Peale. 

 1893. 8\ 56 pp. 6 pi. Price 10 cents. 



