ADVERTISEMENT. m 



XXXII. Geology of the Yellowstone National Park, Part II, DescTiptiTe (ieoloKy, Pctro),'raj)liv 

 and Paleontology, by Arnold Hague, J. P. hldiiiKS, \V. Ha-vey Weed, Charles O. Walcott, (i. h! (iirty' 

 T. W. Stauton, and F. H. Knowlton. I,sy9. 4^. xvii, 893 pp. 121 pi. Price $2. J5. 



XXXIII. GeoloK.r of the Narragansett H.asin, by N. S. Shaler, J. B Woodworth, and An^nist F 

 Foerste. 1899. 4'. xx, 402 pp. .31 pi. Piiie .$1. ■"■ 



XXXIV. The Glacial Gravels of JIaine and their Assoiiated Deposits, by George II. Stone 1899 

 4'J. xiii, 499 pp. 52 pi. Piice $1.30. > . ^ ■ • 



XXXV. The Later I^xtlnct Floras of North America, by .John Strong Newberry edited by 

 Arthur Rollick. 1898. 4". xviii, 29.5 p)>. (i8 pi. Price $1.25. 



.\XXVI. The Crystal Fall.s Iron-Bearing District of Michigan, by J. Morgan Clements and 

 Henry Lloyd Smyth; with a Chapter on the Sturgeon River Tongue, bv William Shirley liaylev, and au 

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



XXXVII. Fossil tlora of the Lower Coal Measures of Jlissonri. bv David White. 1899. 4 . 

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



XXXVIII. The Illinoi.s Glacial Lobe, bv Frank Leverett. 1899. 4'-\ xxi 817 iw •>i nl 

 Price $1.60. ' - • . 1 1 • i • 



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

 of a Few Doubtfully Cretaceous Species, by T.Wayland Vaughan. 1900. 4". 263pp. 24 pi. Price $1.10. 

 Inpreparalion: 



— Adephagous and Clavicorn Coleoptera from the Tertiary Deposits at Florissant, Colorado, 

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

 Tertiary Coleoptera of North America, by Samuel Hubbard Scudder. 



— Flora of the Laramie and Allied Formations, by Frank Hall Knowlton. 



BULLETINS. 



1. On Hypersthene-Audesite and on Tricliuic Pyroxene in Augitic Rocks, by Whitman Cross 

 with a Geological Sketch of Bufialo Peaks, Colorado, bv S. F. Emmons. 1883 8^ 4' pp ■' pi' 

 Price 10 cents. 



2. Gold and Silver Conversion Tables, giving the Coining Values of Trov 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. \ ., 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 Altitu<le8 in the United States, compiled by Henry Gannett. 1884. 8°. 325 

 pp. Price 20 cents. 



6. Elevations in the Dominicm of Canada, by J. 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, by Jules Marcou and .John Belknap Marc(m 

 1884. 8". 184 pp. Price 10 cents. 



8. On Secondary Enlargements of Mineral Fragments in Certain Rocks, by R. D. Irvino- and 

 C. R. Van Hise. 1884. 8' '. 56 pp. 6 pi. Price 10 cents. ' " 



9. A Ri'port of Work done in the Washingtiui Laboratory during the Fiscal Yearl883-'84 F W 

 Clarke, Chief Chemi.st; 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 

 W alcott. 1884. 8°. 74 pp. 10 pi. Price 5 cents. 



11. On the Quaternary and Recent Mollusca of the Great Basin; with Descri|>tion of New 

 forms, by R. Ellsworth Call. Introduced by ,i Sketch of the Quaternary Lakes of the Great Basin 

 by G.K.Gilbert. 1884. 8-^. 66 pp. 6 pi. Price 5 cents. ' ' 



12. A Crystallographic Study of the Thiuolite of Lake Lahontan, b v Edward S. Dana 1884 8° 

 34 pp. 3 pi. Price 5 cents. 



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

 Sketch ol the Territorial Changes, by Henry Gannett. 1885. 8*^. 135 pp. Price 10 cents. 



14. The Electrical and Magnetic Properties of the Iron-Carburets, by Carl Bams and Vincent 

 Strouhal. 1885. 8'-. 238 pp. Price 15 cents. 



15. On the Mesozoic and Cenozoic Palecnitology of California, by Charles X. WTiite 1885 8° 

 33 pp. Price 5 cents. 



16. On theHigherDevoniauFaunasofOntarioCounty.New York, by ,JohnM. Clarke. 1885 8° 

 86 pp. 3 pi. Price 5 cents. 



the G 



America, by Cliai'ies A. White. 1885. 8". 26 pp. 3 pi. 



19. NotesontheStratigraphyof California, by George F.Becker. 1885. 8-\ 28 pp. Priceocents 



20. Contributions to the Mineralogy of the Rockv Mountains, by Whitman Cross and W F Hille- 

 brand. 1885. 8-. 114 ])p. 1 pi. Price 10 cents. 



, w"^' The .Lignites of the (ireat Sioux Reservation; a Report (m the Region between the Grand 

 and Morean Rivers, Dakota, by Bailey Willis. 1885. 8°. 16 pp. 5 pi. Price 5 cents 



22. On New Cretaceous Fossils from California, bv Charles A. White. 188.5. 8^ ''5 on 5 id 

 Price 5 cents. - 1 ■ i • 



23. Observations on the .Junction between the Eastern Sandstone and the Keweenaw Series on 

 Keweenaw Point, Lake Superior, by R. D. Irving and T. C. Chamberlin. 1885. 8'-. 124 iin 17 nl 

 Price 15 cents. ' ' ' ' 



