VI ADVERTISEMENT, 



101. Insect Fauna 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 Mesozoiclnvertebrata, by CornoliuH Breck- 

 inridge Boyle. 1893. 8^. Sir, pp. Price 25 cents. 



103. nigh Temperature Work in Igneou.s Fusion and Ebullition, chiefly in Relation to Pressure, by 

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



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

 41 pp. 4 pi. Price 5 cents. 



105. The Laramie and the Overlying Livingston Formation in Montana, by Walter 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 cont.s. 



107. The Trap Dikes of the Lake Champlaiu Region, by James Furman Kemp and Vernon Free- 

 man jSIarsters. 1893. 8°. 62 pp. 4 pi. Price 10 cents. 



108. A Geological Reconnoissance in Central Washington, by Israel Cook Russell.' 1893. 8°. 108 pp. 

 12 pi. Price 15 cents. 



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

 ena, by William Sliirley Bayley. 1893. 8°. 121pp. 16 pi. Price 15 cents. 



110. The Paleozoic Section in the Vicinity of Three Forks, Montana, by Albert Charles Pealc. 1893. 

 8°. 56 pp. 6 pi. Price 10 cents. 



111. Geology of the Big Stone Gap Coal Field of Virginia and Kentucky, by Marius R. Campbell, 

 1893. 8°. 106 pp. 6 pi. Price 15 cents. 



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



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

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



114. Earthquakes 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 5 cents. 



116. A Geographic Dictionary of Massachusetts, by Henry Gannett. 1894. 8°. 126 pp. Price 15 

 cents. 



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



118. A Geograpliic Dictionary of New Jersey, by Henry Gannett. 1894. 8°. 131pp. Price 15cent8. 



119. A Geological Reconnoissance in Northwest Wyoming, by George Homans Eldridge. 1894. 8°. 

 72 pp. 4 pi. Price 10 cents. 



120. The Devonian System of Eastern Pennsylvania and New York, by Charles S. Prosser. 1894. 

 8°. 81 pp. 2 pi. Price 10 cents. 



121. A Bibliography of North American I'aleontology, by Charles Rollin Keyes. 1894. 8°. 251pp. 

 Price 20 cents. 



122. Results of Primary Triangulation, by Henry Gannett. 1894. 8^. 412pp. 17pl. Price25 cents. 



123. A Dictionary of Geographic Positions, by Henry Gannett. 1895. 8°. 183 pp. 1 pi. Price 15 

 cents. 



124. Revision of North American Fossil Cockroaches, by Samuel Hubbard Scndder. 1895. 8°. 176 

 pp. 12 pi. Price 15 cents. 



12.^). The Constitution of the Silicates, by Frank Wigglesworth Clarke. 1895. 8°. 109 pp. I*ricel5 

 cents. 



126. A Mineralogical Lexicon of Franklin, Hampshire, and Hampden Counties, Massachusetts, by 

 Benjamin Kendall Emerson. 1895. 8°. 180 pp. 1 pi. Price 15 -cents. 



127. Catalogue and Index of Contributions to North American Geology, 1732-1891, l)y Nelson 

 Horatio Darton. 1896. 8°. 1045 pp. Price 60 cents. 



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 Mineralogy 

 for 1892 and 1893, by Fred Boughton Weeks. 1896. 8°. 210 pp. Price 20 cents. 



131. Report of Progress of the Division of Hydrography for the Calendar Years 1893 and 1894, liy 

 Frederick Haynes Newell, Topographer in Charge. 1895. 8°. 126 pj). Price 15 cents. 



132. The Disseminated Lead Ores of Southeastern Missouri, by Arthur Winslow. 3896. 8°. 31 pj). 

 Price 5 cents. 



133. Contributions to the Cretaceous Paleontology of the Pacitic Coast : The Fauna of tlie Knoxville 

 Beds, by T. W. Stanton. 1895. S°. 132 pp. 20 pi. Price 15 cents. 



. 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, Petrology, and Mineralogy 

 forthe Year 1894, by F. B. Weeks. 1896. 8°. 141pp. Price 15 cents. 



136. Volcanic 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. 

 1896. 8°. 35 pp. 8 pi. Price 5 cents. 



