II ADVERTISEMENT. 
77. The Texan Permian and its Mesozoic types of fossils, by C. A. White. 1891. " 51 pp., 4 pis. 
80. Correlation papers — Devonian and Carboniferous, by H. S. Williams. 1891. 279 pp. 
81. Correlation papers— Cambrian, by C. D. Walcott. 1891. 447 pp., 3 pis. (Out of stock.) 
82. Correlation papers— Cretaceous, by C. A. White. 1891. 273 pp., 3 pis. 
83. Correlation papers— Eocene, by W. B. Clark. 1891. 173 pp., 2 pis. 
84. Correlation papers— Neocene, by W. H. Dall and G. D. Harris. 1892. 349 pp., 3 pis. 
85. Correlation papers— The Newark system, by I. C. Russell. 1892. 344 pp., 13 pis. (Out of stock.) 
86. Correlation papers— Archean and Algonkian, by C. R. Van Hise. 1892. 549 pp., 12 pis. (Out of 
stock.) 
87. Synopsis of American fossil Brachiopoda, including bibliography and synonymy, by Charles 
Schuchert. 1897. 464 pp. 
88. Cretaceous Foraminifera of New Jersey, by R. M. Bagg, jr. 1898. 89 pp., 6 pis. 
93. Some insects of special interest from Florissant, Colo., and other points in the Tertiariesof Colo- 
rado and Utah, by S. H. Scudder. 1892. 35 pp., 3 pis. 
97. Mesozoic Echinodermata of the United States, by W. B. Clark. 1893. 207 pp., 50 pis. 
98. Flora of the outlying Carboniferous basins of southwestern Missouri, by David White. 1893. 
139 pp., 5 pis. 
101. Insect fauna of the Rhode Island coal field, by S. H. Scudder. 1893. 27 pp., 2 pis. 
102. Catalogue and bibliography of North American Mesozoic Invertebrata, by C. B. Boyle. 1893. 
315 pp. 
105. The Laramie and the overlying Livingston formation in Montana, by W. H. Weed, with report 
on flora, by F. H. Knowlton. 1893. 68 pp., 6 pis. 
106. Colorado formation and its invertebrate fauna, by T. W. Stanton. 1893. 288 pp., 45 pis. (Out of 
stock.) 
110. Paleozoic section in the vicinity of Three Forks, Mont., by A. C. Peale. 1893. 56 pp., 6 pis. 
120. Devonian system of eastern Pennsylvania and New York, by C. S. Prosser. 1895. 81 pp., 2 pis. 
121. Bibliography of North American paleontology, by C. R. Keyes. 1894. 251 pp. 
124. Revision of North American fossil cockroaches, by S. H. Scudder-* 1895. 176 pp., 12 pis. 
128. Bear River formation and its characteristic fauna, by C. A. White. 1895. 108 pp., 11 pis. 
133. Contributions to the Cretaceous paleontology of the Pacific coast: The fauna of the Knoxville 
beds, by T. W. Stanton. 1895. 132 pp., 2d pis. 
134. Cambrian rocks of Pennsylvania, l>y ('. D. Walcott. 1896. 43 pp., 15 pis. 
141. Eocene deposits of the middle Atlantic slope in Delaware, Maryland, and Virginia, by W. B. 
Clark. 1896. 167 pp., 40 pis. 
142. Brief contribution to the geology and paleontology of northwestern Louisiana, by T. W. 
Vaughan. 1896. 65 pp., 4 pi-. 
145. Potomac formation in Virginia, by W. M. Fontaine. 1896. 149 pp., 2 pis. 
151. Lower Cretaceous gryphseas of the Texas region, by R. T. Hill and T. W. Vaughan. 1898. 
139 pp., 35 J .Is. 
152. Catalogue of Cretaceous and Tertiary plants of North America, by F. H. Knowlton. 1898. 
247 pp. 
153. Bibliographic index of North American Carboniferous invertebrates, by Stuart Weller. 1898. 
653 pp. 
163. Flora of the Montana formation, by F. H. Knowlton. 1900. 118 pp., 19 pis. 
173. Synopsis of American fossil Bryozoa, including bibliography and synonymy, by J. M. Nickles 
and R. S. Bassler. 1900. 663 pp. 
179. Bibliography and catalogue of fossil Vertebrata of North America, by O. P. Hay. 1902. 868 pp. 
191. North American geologic formation names: Bibliography, synonymy, and distribution, by F. B. 
Weeks. 1902. 448 pp. 
l',»">. structural details in the Green Mountain region and in eastern New York (second paper), by 
T. N. Dale. 1902. 22 pp., 4 pis. 
204. Fossil flora of the John Day Basin, Oregon, by F. H. Knowlton. 1902. 153 pp., 17 pis.' 
205. The mollusca of the Buda limestone, by G. B. Shattuck, with an appendix on the corals of the 
Buda limestone, by T. W. Vaughan. 1903. 94 pp., 27 pis. 
206. A study of the fauna of the Hamilton formation of the Cayuga Lake section in central New 
York, by H. F. Cleland. 1903. 112 pp., 5 pis. 
210. The correlation of geological faunas, a contribution to Devonian paleontology, by H. S. Williams. 
1903. 147 pp., 1 pi. 
