VI ADVERTISEMENT. 



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

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103. High Temperature Work in Igneous Fusion and Ebullition, chiefly in Relation to Pressure, 

 by Carl 15arus. 1893. 8^. 57 pp. 9 pi. Price 10 cents. 



lot. Glaciationof the Yellowstone Valley north of the Park, liy Walter Harvey Weed. 1893. 8*^. 

 41 pp. 4 pi. Price 5 cents. 



105. The Laramie and the Overlying I^ivingstone Formation in Montana, by Walter Harvey 

 Weed, with Report on Flora, by Frank Hall Knowlton. 1893. 8^ 68 pp. 6 pi. I'rice 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 the Lake (jliamplaiu Region, l)y James Furman Kemp and Vernon 

 Freeman Marsters. 1893. 8^^. 62 pp. 4 pi. Price 10 cents. 



108. A Geological Reconuoissauce in Central Washington, by Israel Cook Russell. 1893. 8^. 

 108pp. 12 pi. Pri.c 15 cents.. 



109. The Kruptiv<- and Sedimentary Rocks on Pigeon Point, Minnesota, and their Ccmtact 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, bv Albert Charles Peale. 

 893. 8''\ 56 pp. 6 pi. Price 10 cents. 



111. Geologv of the Big Stone (iap Coal Fields of Virginia and Kentucky, by Marius R. Camp- 

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112. Earthquakes in California in 1892, by Charles D. PeiTine. 1893. 8°. 57 pp. Price 10 cents. 



113. A Report of Work done in the Division of Chomistrv during the Fiscal Years 1891-''92 and 

 1892-'93. F. W. Clarke. Chief Chemist. 1893. 8^^. 115 pp. Price 15 cents. 



114. Earthcinakes in California in 1893, by Charles D. Perrine. 1894. 8°. 23 pp. Price 5 cents. 



115. A Geographic Dictionary of Rhode Island, by Henry Gannett. 1894. 8^. 31 pp. Price 

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116. A Geographic Dictionary of Massachusetts, by Henry Gannett. 1894. 8*^. 126 pp. Price 

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117. A Geographic Dictionary of Connecticut, by Henry Gannett. 1894. 8°. 67 pp. Price 10 

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118. A Geographic Dictionary of New Jersey, by Henry Gannett. 1894. 8°. 131 pp. Price 15 

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119. A Geological Reconuoissauce in Northwest Wyoming, by George Homans Eldridge. 1894. 

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120. The Devoniau Svstcm of Eastern Pennyslv.ania and New York, by Charles S. Prosser. 1894. 

 8*5. 81 pp. 2 pi. Price 10 cents. 



121. A Bibliography of North American Paleontology, by Charles Rollin Keyes. 1894. 8^. 251 

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122. Results of Primary Triangulation, by Henry Gannett. 1894. 8"^. 412 pp. 17 pi. Price 

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123. A Dictionary of Geographic Positions, by Henry Ganuett. 1895. 8°. 183 pp. 1 pi. Price 

 15 cents. 



124. Revision of North American Fossil Cockroaches, by Samuel Hubbard Scudder. 1895. 8°. 

 176 pp. 12 pi. Price 15 cents. 



125. The Constitution of the Silicates, by Frank Wigglesworth Clarke. 1895. 8*^. 109 pp. 

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126. A Mineralogical Lexicon of Franklin, Hampshire, ami Hampden counties, Massachusetts, 

 by Benjamin Kendall Emerson. 1895. 8"-\ 180 pp. 1 pi. Price 15 cents. 



127. Catalogue and Index of Contributions tn North American Geology, 1732-1891, by Nelson 

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128. The Bear River Formation and its Characteristic Fauna, by Charles A. White. 1895. 8°. 

 108 pp. 11 pi. Price 15 cents. 



129. Earthquakes in California in 1894, by Charles D. Perrine. 1895. 8°. 25 pp. Price 5 cents. 



130. Bibliography and Index of North American Geology, Paleontology, Petrology, and Miner- 

 alogy for 1892 and 1,S93", by Fred Houghton Weeks. 1896. 8-\ 210 pp. Price 20 cents." 



131. Report of Progress of the Division of Hydrography for the Calendar Y'ears 1893 and 1894, 

 by Frederick Haynes Newell, Topographer in Charge. 1895. 8'-. 126 pp. Price 15 cents. 



132. The Disseminated Lead Ores of Southeastern Missouri, by Arthur Winslow. 1896. 8°. 

 31 pp. Price 5 cents. 



133. Contributions to the Cretaceous Paleontologv of the Pacific Coast: The Fauna of the 

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134. The Cambrian Rocks of Pennsylvania, by Charles Doolittle Walcott. 1896. 8°. 43 pp 

 15 pi. Price 5 cents. 



135. Bibliography and Index of North American Geology, Paleontology, Petrologv, and Miner 

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136. Vidcaiiii' Rocks of South Mountain, Pennsylvania, by Florence Bascom. 1896, 8^. 124 pp, 

 28 pi. Price 15 cents. 



137. The Geology of the Fort Riley Military Reservation and Vicinity, Kansas, by Robert Hay- 

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138. Artesian-well Prospects in the Atlantic Coastal Plain Region, by N. H. Darton. 1896. 8° 

 228 pp. 19 pi. Price 20 cents. 



139. Geology of the Castle Mountain Mining District, Montana, by W. H. Weed and L. V. Pirs 

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