publications: bulletins. 139 
97. The Mesozoic Echinodermata of the United States, by W. B. Clark. 1893. 8°. 
207 pp., 50 pis. 
98. Flora of the outlying Carboniferous basins of , southwestern Missouri, by David 
White. 1893.' 8°. 139 pp., 5 pis. 
99. Record of North American geology for 1891, by N. H. Darton. 1892. 8°. 
73 pp. 
100. Bibliography and index of the publications of the U. S. Geological Survey, 
1879-1882, by P. C. Warman. 1893. 8°. 495 pp. 
101. Insect fauna of the Rhode Island coal field, by S. H. Scudder. 1893. 8°. 27 
pp., 2 pis. 
102. A catalogue and bibliography of North American Mesozoic Invertebrata, by 
C. B. Boyle. 1893. 8°. 315 pp. 
103. High temperature work in igneous fusion and ebullition, chiefly in relation to 
pressure, by Carl Barus. 1893. 8°. 57 pp., 9 pis. 
104. Glaciation of the Yellowstone Valley north of the Park, by W. H. Weed. 1893. 
8°. 41pp., 4 pis. 
105. The Laramie and the overlying Livingston formation in Montana, by W. H. 
Weed, with report on flora, by F. H. Knowlton. 1893. 8°. 68 pp., 6 pis. 
106. The Colorado formation and its invertebrate fauna, by T. W. Stanton. 1893. 
8°. 288 pp., 45 pis. (Out of stock. ) 
107. The trap dikes of the Lake Champlain region, by J. F. Kemp and V. F. Mars- 
ters. 1893. 8°. 62 pp , 4 pis. (Out of stock.) 
108. A geological reconnaissance in central Washington by I. C. Russell. 1893. 8°. 
108 pp. , 12 pis. ( Out of stock. ) 
109. The eruptive and sedimentary rocks on Pigeon Point, Minnesota, and their con- 
tact phenomena, by W. S. Bayley. 1893. 8°. 121 pp., 16 pis. 
110. The Paleozoic section in the vicinity of Three Forks, Montana, by A. C. Peale. 
1893. 8°. 56 pp., 6 pis. 
111. Geology of the Big Stone Gap coal field of Virginia and Kentucky, by M. R. 
Campbell. 1893. 8°. 106 pp., 6 pis. 
112. Earthquakes in California in 1892, by C. D. Perrine. 1893. 8°. 57 pp. 
113. A report of work done in the division of chemistry during the fiscal years 1891- 
92 and 1892-93. F. W. Clarke, chief chemist. 1893. 8°. 115 pp. 
114. Earthquakes in California in 1893, by C. t>. Perrine. 1894. 8°. 23 pp. 
115. A geographic dictionary of Rhode Island, by Henry Gannett. 1894. 8°. 
31 pp. 
116. A geographic dictionary of Massachusetts, by Henry Gannett. 1894. 8°. 
126 pp. 
117. A geographic dictionary of Connecticut, by Henry Gannett. 1894. 8°. 67 pp. 
118. A geographic dictionary of New Jersey, by Henry Gannett. 1894. 8°. 131 pp. 
119. A geological reconnaissance in northwest Wyoming, by G. H. Eldridge. 1894. 
8°. 72 pp., 4 pis. 
120. The Devonian system of eastern Pennsylvania and New York, by C. S. Prosser. 
1894. 8°. 81 pp., 2 pis. (Out of stock.) 
121. A bibliography of North American paleontology, 1888-1892, by C. R. Keyes. 
1894. 8°. 251 pp. 
122. Results of primary triangulation, by Henry Gannett. 1894. 8°. 412 pp., 17 pis. 
(Out of stock.) 
123. A dictionary of geographic positions, by Henry Gannett. 1895. 8°. 183 pp., 
1 pi. (Out of stock.) 
124. Revision of the North American fossil cockroaches, with descriptions of new 
forms, by S. H. Scudder. 1895. 8°. 176 pp., 12 pis. 
125. The constitution of the silicates, by F. W. Clarke. 1895. 8°. 109 pp. (Out 
of stock. ) 
