II ADVERTISEMENT. 



MONOGRAPHS. 



I. Lake Bonneville, l>y Grove KavKiill.crt. 18!W. 4-\ xx, 438 pp. .51 pi. 1 m.ap. Price $1.50. 



II. IVitiaiy History oft he (ir.auiU'.afiou District, with atlas, by Clarence K. Dutton, Capt., U. .S. X. 

 1882. 4°. xiv, 2iU pp. 4:2 pi. and atlas of L!4 sh(M-ts folio. Price $10.00. 



III. Geolo'iy of the Cmustock [jode and tlie Washoe Di.strict, with atlas, by George F. Hecker. 

 1882. 4^:. XV, 422 pp. 7 pi. and atlas of 21 sheets tolio. Price $11.00. 



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



V. The Copper-Bearing Rock.s of Lake Superior, by Roland Duer Irving. 1883. 4-^. xvi, 464 

 pii. 15 1. 2ilpl. and iiiajis. Price $1.85. 



VI. Contril)utions to the Knowledge of the Older Mesozoic Flora of Virginia, by W lUiam Morns 

 Fontaine. 1883. 4'. xi, 144 pp. 54 1. 54 pi. Price $1.05. oo. . ■•■ ooo 



VII. Silver-Lead Uepo.sits of Eureka, Nevada, by Joseph Story Curtis. 1884. 4-. xiu, 200 pp. 



VIII. Pale(int(dogy of the Eureka District, by Charles Doolittle Walcott. 1884. 4-. xiii, 298 



pp. 24 1. 24 pi. Pricc"$1.10. ,,,,..„ 



IX Brachiopoda and Lamellil)ranchiata of tlie Raritan Clays and (.reeusand Marls ot New 

 Jersey, bv Robert P. Whitfield. 1885. 4*^. xx, 338 pp. 35 1>1. 1 map. Price $1.15. , ., , , 



'X. Dinocerata. A Mouo,napli of an Extinct Oriler of Gigantic MamnialB, by Othniel Charles 

 Marsh* 1886. 4^. xviii, 243 pp. r<6 1. .56 pi. Price $2.70. „ , , ., , »_ 



XI. Ge(dogical History of Lake Lahontan, a Quatirnary Lake of Northwestern Nevada, by 

 Israel Cook Rus.scll. 188.5. 4-. xiv, 288 pp. 46 pi. and m.aps. Price $1.75. , ,. ,, 



XII. Geology and Mining Industry of Leadville, Colorado, witli atlas, by Samuel Iranklin Em- 

 mons, 1886. 4'."' xxix, 770 pp. 45 pi. 'and atlas of 35 slicets folio. Price .$8.40. 



XIII. Geology of the Quicksilver Deposits ot tlie 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 Triassic Rocks of New Jersey and the Connecticut 

 Vallev, by .lohu S. Newberry. 18,S8. 4-. xiv, 1.52 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. Tlic Paleozoic Fishes of North America, by John Strong Newberry. 1889. 4 . 340 pp. 



53 pi. Price $1.00. ^,.^ , , „ 



XVII. The Flora of the Dakota Grouii, a posthumous work, by Leo Les(iucreux. Edited by 1 . 



H. Knowlton. 1891. 4. 400 i)i>. 66 id. Price $1.10. , ,^, , 



XVllI (iasteropoda and Ceplialoi>oda of the Raritan Clays and Grecusaiid Marls of New Jersey, 

 bv Robert P. Whitfield. 18!11. 4. 402 pji. 50 pi. Price $1.00. 



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

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



XX. (ieologyoftheEiirekaDistrict, Nevada, with an atlas, by Anndd Hague. 1892. 4°. xvu, 



419 pp. 8 id. Pr'icr$5.25. „ ,, c, ,, 



XXI. The Ti'rtiary Rlivnchophorous Coh'optera of North America, by S,.H. Scndder. 



XXII. A Manual I'lf Tiipographic Methods, by Henry Gannett, chief topographer. 



In press : 



XXIII. Geology of the (ireen Mountains in Massachusetts, by Messrs. Pumpelly, Wolff, and Dale. 



In preparation : 



— Mollusca and Crustacea of the Miocene Formations of New Jersey, by R. P. W' bitfield. 



— Sanropoda. by O. C. Mar.sh. 



— Stegosauria, iiy O. C. Marsh. 



— Brontothcrida', by O. C. Marsb. 



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



— Rep.ut on Silver Cliff ami Ten-Mile Mining Districts, Ccdorado, by S. F. Emmons. 



—The Glacial Lake Agassiz, by Warren Upbam. 



BULLETINS. 



1. On Hvperstbene-Audesit.' and on Tricliuic Pyroxene in Augitic Rocks, by Whitman Cross, 

 with a (icidogical 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 Alliert Williams, .jr. 1883. 8. 8 pp. Price 5 cents. 



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

 County, N. Y., to Bradford Coiintv, 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. Price 5 cents. 



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

 pp. Price 20 cents. 



6. Elevations ill the Dominion of Canada, by J. W. Spencer. 1884. 8\ 43 pp. Price 5 cents. 



7. Mapoteca Geologiia Americana. A Catalogue of Geological Maps of America (North and 

 South), 17.52-18X1, ill geograpbic ami chronologic order, by .lules Marcoii and John Belknap Maroou. 

 1884. 8 . 184 pp. Price 10 cents. 



