II ADVERTISEMENT. 



MONOGRAPHS. 



I. Lake Bonneville, by Grove Karl Gilbert. 1890. 4°. xx,438pp. 51 pi. 1 map. Price$1.50. 



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

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



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

 1882. 1. xv, 422 pp. 7 pi. and atlas of 21 sheets folio. Price $11.00. 



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



V. The Copper-Bearing Rocks of Lake Superior, by Roland Dner Irving. 1883. I . xvi, liil 

 pp. 15 1. 29 pi. and maps. Price $1.85. 



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

 Fontaine. 1883. I . xi, 144 pp. 541. 54 pi. Price,$1.05. 



VII. Silver-Lead Deposits of Eureka, Nevada, by Joseph Story Curtis. 1884. 1 . xiii, 200 pp. 

 Hi pi. I'm," +1. :'ii. 



VIII. Paleontology of the Eureka District, by Charles Doolittle Wakott. 1884. I. xiii. 298 

 pp. 24 1. 24 pi. Price $1.10. 



IX. Brachiopoda ami Lamellibranchiata of the Raritan (lavs ami Greensand Marls of New 

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



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

 .Marsh. 188(i. 4. xviii, 243 pp. -Mil. 56 pi. Price $2.70. 



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

 Israel Cook Russell, 1885. I . xiv, 288 pp. in pi. ami maps. Price$1.75. 



XII. Geologj ami Mining Indnstrj of Leadville, Colorado « itl, alias. by Samuel franklin Em- 

 mons. 1886. 4°. xxix, 770 pp. 15 pl.'and atlas of 35 sheets folio. Price $8.40. 



XIII. Geologj of the Quicksilver Deposits of the Pacific, Slope, with atlas, b\ George F. Becker. 

 inns. I. xix, 486pp. 7 pi. and atlas of 14 sheets folio. Price $2.00. 



XIV. Fossil Fishes and Fossil Plants of the Triassi, Rocks of New Jersev anil the Connecticut 

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



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

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



XVI. The Paleozoic Fishes of North America, by John Strong Newberry. 1889. I . 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°. 4(10 pp. 66 pi. Price $1.10. 



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

 by Robert P. Whitfield. 1891. I. 402pp. 50pl. Price$1.00. 



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

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



XX. Geology of the Eureka District, Nevada, with an atlas, by Arnold Hague. 1892. 1 . xvii, 

 ll!l pp. 8 pi: Price $5.25. 



XXI. The Tertiary Rhvnchophorous Coleoptera of the United states, in 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 I 

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



In press: 



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

 ami J. E. Wolff. 



In preparation : 



— Mollusca and Crustacea of the Miocene Formations of Now Jersev, by l>. I'. Whitfield. 



— Sauropoda, by O. C. Marsh. 



— Stegosauria, by <>. C. .Marsh. 



— Broutotheridaj, by (>.('. Marsh. 



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



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



— The Glacial Lake Agassiz, by Warren Upham. 



BULLETINS. 



1. On Hvporstheiie-Amlesite ami on Triclinic Pyroxene in Angitic Rocks, by Whitman Cross, 

 with a Geological Sketch of Buffalo Peaks, Colorado, by S. F. Emmons. 1883. 8 . 12 pp. L' pi 

 Price mi eenls. 



'J. Gold and Silver ( Ion version Tallies, giving the coining values of troy ounces of fine metal, etc., 

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



3. On the Fossil Faunas of the Upper Devonian, along the meridian of Tii 30 . from Tompkins 

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



4. On Mesozoic Fossils, by Charles A. White. 1884. 8°. 36 pp. 9 pi. Price5 cents. 



5. A Dictionary of Altitudes in the United States, compiled by Henry Gannett. 1884. 8 . .°.2."> 



pp. Price I'D eelils. 



n. Elevations in the Domini f Canada, bj J.W.Spencer. 1884. * . 13 pp. Price 5 cents. 



7. Mapoteea Geologica Americana. A Catalogue of Geological Maps of America (North and 

 South ), 1752-1881, in geographic and chronologic order, by Jules Marcou ami John Belknap Marcou, 

 1884. 8°. 184 pp. Price 10 cents. 



