ADVERTISEMENT. V 



In press : 



84. Correlatiou papers — Neocene, by W. H. Dall and G. D. Harris. 



90. A report of work done in the Division of Chemistry and Physics, mainly during the fiscal 

 year 1890-'yi. F. W. Clarke, chief chemist. 



92. The Compressibility of Liquids, by Carl Biirus. 



93. Some Insects of special interest from Florissant, Colorado, by S. H. Scudder. 



94. The Mechanism of Solid Viscosity, by Carl Barus. 



95. Earthquakes in California during 18'J0-'91, by E. S. Holden. 



96. The Volume Thermodynamics of Liquids, by Carl Barus. 



97. The Mesozoic Echiuodermata of the United States, by \V. B. Clark. 



98. Flora of the Outlyiug Coal Basins of Southwestern Missouri, by David \Vhit& 



In preparation : 



— Correlation papers — Jura-Trias, by I. C. Russell. 



— Correlation papers — Algonkian and Archean, by C. R. Van Hise. 



— Correlatiou papers — Pleistocene, by T. C. Chamberlin. 



— The Eruptive and Sedimentary Rocks on Pigeon Point, Minnesota, and their contact phe- 

 uomena„by W. S. Bayley. 



— The Moraines of the Missouri Coteaii and their attendant deposits, by James Edward Todd. 



— A Bibliography of Paleobotany, by David White. 



STATISTICAL PAPERS. 



Mineral Resources of the United States [1882], by Albert Williams, jr. 1883. 8°. xvli, 813 pp. 

 Price hO ceuts. 



Mineral Resources of the United States, 1883 and 1884, by Albert Williams, jr. 1885. 8°. xiv, 

 1016 pp. Price 60 cents. 



Mineral Resources of the United States, 1885. Division of Mining Statistics and Technology. 

 1886. 8°. vii, 576 pp. Price 40 cents. 



Mineral Resources of the United States, 1886, by David T. Day. 1887. 8°. viii, 813 pp. Price 

 50 cents. 



Mineral Resources of the United States, 1887, by David T. Day. 1888. 8°. vii, 832 pp. Price 

 50 cents. 



Mineral Resources of the United States, 1888, by David T. Day. 1890. 8°. vii, 652 pp. Price 

 50 cents. 



The money received from the sale of these publications is deposited in the Treasury, and the 

 Secretary of that Department declines to receive bank checks, drafts, or postage-stamps; all remit- 

 tances, therefore, must be by postal note or money okdek, made payable to the Librarian of the 

 U. S. Geological Survey, or in currency for the exact amouut. Correspondence relating to the pub- 

 lications of the Survey should be addressed 



To THE Director of the 



United States Geological Survey, 



Washington, D. C. 

 Washington, D. C, February, 1802. 



