ADVERTISEMENT. Ill 



XXXII. r.ool.my of the Yellowstone National Park, Part II, Descriptive Geology, Petrography, 

 and Palcont..l,i;;\ , bv Anicilil Haacue, ,J. P. Iddiugs, W. Harvey Weed, Charles D. Walcott, G. H. Girty, 

 T. AV. Stanton, and I. II. Knowlton. 1899. 4-.' xvii, 893 pp. 121 p). Price.$2.45. 



XXXIII. Geology ol the Narragausett Basin, by N. S. Shaler, .1. B Woodworth, and Angnst F. 

 Foerste. 1899. 4^. xx, 402 pp. ,31 pi. Price $1. 



XXXIV. The Glacial Gravels of Maine and their Associated Deposits, bv George H. Stone. 1899. 

 4- xiii, 499 pp. 52 pi. Price $1.30. 



XXXV. The Later Extinct Floras of North America, by .lohn .Strong Newberry; edited by 

 Arthnr Hollick. 1898. 4^. xviii, 295 pp. 68 pi. Price $1.25. 



XXXVI. The Crystal Falls Iron-Bearing District of Michigan, by J. Morgan Clements and 

 Henry Lloyd Smyth ; with a Chapter on the Sturgeon River Tongue, by William Shirley Bayley, and an 

 introduction by Cliarles Richard Van Hise. 1899. 4°. xxxvi,512pp' 53 pi. Price $2. 



XXXATI. Fossil flora of the Lower Coal Measures of Missouri, by David White. 1899. 4^. 

 xi, 467 pp. 73 pi. Price $1.25. 



XXXVIII. The Illinois Glacial Lobe, hv Frank Leverett. 1899. 4=. xxi, 817 pp. 24 pi. 

 Price $1.60. 



XXXIX. The Eocene and Lower Oligocene Coral Faunas of the United States, with Descriptions 

 of a Few Doubtfully Cretaceous Species, by T.WaylandVaughan. 1900. 4^. 263pp. 24 pi. Price $1.10. 



XL. Adephagous and Clavicorn Coleoptera from the Tertiary Deposits at Florissant, Colo- 

 rado, with Descriptions of a Few Other Forms and a Systematic List of the Non-Rhyncophorous 

 Tertiary Coleoptera of North America, by Samuel Hubb.ard Scudder. 1900. 4°. 148 pp. 11 pi. 

 Price 80 cents 

 In preparaiion: 



—Flora of the Laramie aud Allied Formations, by Frank Hall Knowlion. 



BULLETINS. 



1. On Hyijersthene-Audesite aud on Tricliuic 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 Ouuces of Fine Metal, 

 etc., computed by Albert Willinnis, 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. 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 in the Dominion of Canada, by .1. W. Spencer. 1884. 8°. 43 pp. Price 5 cents. 



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

 South), 1752-1881, in Geographic and Chronologic Order, bv Jules Mareou and John Belknap Marcou. 

 1884. 8'-. 184 pp. Price 10 cents. 



8. On Secondary Enlargements of Mineral Fragments in Certain Rocks, by R. 11. Irving and 

 C. R. Van Hise. 1884. 8-\ 56 pp. 6 pi. Price 10 cents. 



9. A Report of Work done in the Washington Laboratory during the Fiscal Year 1883-'84. F. W. 

 Clarke, Chief Chemist; T. M. Chatard, Assistant Chemist. 1884. 8^. 40 pp. Price 5 cents. 



10. On the Cambrian Faunas of North America. Preliminary Studies, by Charles Doolittle 

 Walcott. 1884. 8'\ 74 pp. 10 pi. Price 5 cents. 



11. On the Quaternary and Recent Mollusca of the Great Basin; with Description of New 

 Forms, hy R. Ellsworth Call. Introduced by a Sketch of the Quaternary Lakes of the Great Basin, 

 by G.K.Gilbert. 1884. 8". 66 pp. 6 pi. Price 5 cents. 



12. ACrystallographicStudy of the Thinolite of Lake Lahontan, by Edward S. Dana. 1884. 8". 

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13. Boundaries of the United States aud of the Several States aud Territories, with a Historical 

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14. The Electrical .iiid .Magnetic Properties of the Iron-Carburets, by Carl Barns and Viuceut 

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15. On the Mesozoic and Ceuozoic Paleontology of California, by Charles A. White. 1885. 8°. 

 33 ])]). Price 5 cents. 



16. On the Higher Devonian Faunas of Ontario County, New York, by John M. Clarke. 1885. 8°. 

 86 pp. 3 pi. Price 5 cents. 



17. On the Development of Crystallization in the Igneous Rocks of Washoe, Nevada, with Notes on 

 the Geology of the District, by Arnold Hague aud Joseph P. Iddiugs. 1885. 8^. 44 pp. Price 5 cents. 



18. On Marine Eocene. Fresh-Water Miocene, aud other Fo.S8il Mollusca of Western North 

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19. Notcv ,,u I lir Siiatimaidiy of California, by GeorgeF.Becker. 1885. 8-. 28pp. Price5eents. 



20. C'ontrilmtiiiiis to tbi- Mineralogy of the Rocky Mountains, by Whitman Cross ,-ind W. F. Hille- 

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21. The Lignites i>f the Gre.it Sioux Reservation; a Report (ui the Region between the Grand 

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22. On New Cretaceous Fo.ssils from California, by Charles A. White. 1885. 8". 25pp. 5 pi. 

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