IT ADVERTISEMENT. 



MONOGRAPHS. 



I. Lake Bonneville, by Grove Karl Gilbert. 1890. 4°. xx,43Spp. o\p\. \map. Yty^^V.^. 



II. Tertiary History of the Grand Cafion District, with atlas, by Clarence E. Dutton, Capt., U. S. A. 

 1882. 4°. xiv, 264 pp. 42 pi. and atlas of 24 sheets folio. Price $10.00. 



III. Geology of the Comstock Lode and the Washoe District, with atlas, by George F. Becker. 

 1882. 4°. xv, 422 pp. 7 pi. and atlas of 21 sheets folio. Price $11.00. 



IV. Comstock Mining and Miners, by Eliot Lord. 1883. 4°. xiv, 451 pp. 3 pi. Price $1.50. 



V. The Copper-Bearing Rocks of Lake Superior, by Roland Duer Irving. 1883. 4°. xvi, 464 

 pp. 151. 29 pi. and maps. Price $1.85. 



VI. Contributions to the Knowledge of the Older Mesozoic Flora of Virginia, by William Morris 

 Fontaine. 1883. 4°. xi, 144 pp. 54 1. 54 pi. Price $1.05. 



VII. Silver-Lead Deposits of Eureka, Nevada, by Joseph Story Curtis. 1884. 4°. xni, 200 pp. 

 16 pi. Price $1.20. 



VIII. Paleontology of the Eureka District, by Charles Doolittle Waleott. 1884. 4°. xm, 298 

 pp. 241. 24 pi. Price $1.10. 



IX. Brachiopoda and Lamellibranchiata of the Raritan Clays and Greensand Marls of New 

 Jersey, by Robert P. Whitfield. 1885. 4°. xx, 338 pp. 35 pi. 1 map. Price $1.15. 



X. Dinocerata. A Monograph of an Extinct Order of Gigantic Mammals, by Othniel Charles 

 Marsh. 1886. 4°. xviii, 243 pp. 56 1. 56 pi. Price $2.70. 



XI. Geological History of Lake Lahontan, a Quaternary Lake of Northwestern Nevada, by 

 Israel Cook Russell. 1885. 4 C . xiv, 288 pp. 46 pi. and maps. Price $1.75. 



XII. Geology and Mining Industry of Le&dville, Colorado, with atlas, by Samuel Franklin Em- 

 mons. 1886. 4°. xxix, 770 pp. 45 pi. and atlas of o5 sheets folio. Price $8.40. 



XIII. Geology of the Quicksilver Deposits of the Pacific Slope, with atlas, by George F. Becker. 

 1888. 4°. xix, 486 pp. 7 pi. and atlas of 14 sheets folio. Price $2 ..00. 



XIV. Fossil Fishes and Fossil Plants of the Tria-ssic Rocks of New Jersey and the Connecticut 

 Valley, by John S. Newberry. 1888. 4°. xiv, 152 pp. 26 pi. Price $1.00. 



'XV. The Potomac or Younger Mesozoic Flora, by William Morris Fontaine. 1889. 4°. xiv, 

 377 pp. 180 pi. Text and plates bound separately. Price $2.50. 



XVI. The Paleozoic Fishes of North America, by John Strong Newberry. 1889. 4°. 340 pp. 



53 pi. Price $1.00. 



XVII. The Flora of the Dakota Group, a posthumous work, by Leo Lesquereux. Edited by F. 

 H. Knowlton. 1891. 4°. 400 pp. 66 pi. Price $1.10. 



XVIII. Gasteropoda and Cephalopoda of the Raritan Clays and Greensand Marls of New Jersey, 

 by Robert P. Whitfield. 1891. 4°. 402 pp. 50 pi. Price $1.00. 



XIX. The Penokee Iron-Bearing Series of Northern Wisconsin and Michigan, by Roland D. 

 Irving and C. R. Van Hise. 1892. 4°. xix, 534 pp. Price $1.70. . 



XX. Geology of the Eureka District, Nevada, with an atlas, by Arnold Hague. 1892. 4°. xvii, 

 419 pp. 8 pi. Price $5.25. 



XXI. The Tertiary Rhynchophorous Coleoptera of the United States, by Samuel Hubbard Scud- 

 der. 1893. 4°. xi, 206* pp. 12 pi. Price 90 cents. 



XXII. A Manual of Topographic Methods, by Henry Gannett, chief topographer. 1893. 4°. 

 xiv, 300 pp. 18 pi. Price $1.00.' 



XXIII. Geology of the Green Mountains in Massachusetts, by Raphael Pumpelly, T. Nelson Dale, 

 and J. E. Wolif. 1894. 4°. xiv, 206 pp. 23 pi. Price $1.30. 



XXIV. Mollusca and Crustacea of the Miocene Formations of New Jersey, by Robert Parr Whit- 

 field. 1894. 4°. 193 pp. 24 pi. Price 90 cents. 



In preparation : 



— Sauropoda, by O. C. Marsh. 



— Stegosauria, by O. C. Marsh. 



— Br out other ida3, by O. C. Marsh. 



—Report on the Denver Coal Basin, by S. F. Emmons. 



—Report on Silver Clitf and Ten-Mile Mining Districts, Colorado, by S. F. Emmons. 



— The Glacial Lake Agassiz, by Warren Uphain. 



BULLETINS. 



1. On Hypersthene-Andesite and on Triclinic Pyroxene in Augitic Rocks, by Whitman Cross, 

 with a Geological Sketch of Buffalo Peaks, Colorado, by S. F. Emmons. 1883. 8°. 42 pp. 2 pi. 

 Price 10 cents. 



2. Gold and Silver Conversion,Tables, giving the coining values of troy ounces of fine metal, etc., 

 computed by Albert Williams, jr. 1883. 8°. 8 pp. Price 5 cents. 



3. On the Fossil Faunas of the Upper Devonian, along the meridian of 76° 30', from Tompkins 

 County, N. Y., to Bradford County, Pa., by Henry S. Williams. 1884. 8°. 36 pp. Price 5 cents. 



4. On Mesozoic Fossils, by Charles A. W r hite. 1884. 8°. 36 pp. 9 pi. Price 5 cents. 



5. A Dictionary of Altitudes in the United States, compiled by Henry Gannett. 1884. 8°. 325 

 pp. Price 20 cents. 



