ADVERTISEMENT. HI 



6. Elevations in the Dominion of Canada, by J. W. Spencer. 1884. 8°. 4.3 pp. Price 5 cents. 



7. Mapoteca Gcologica Americana. A Catalogiie of Geological Maps of America (North and 

 Sonth), 1752-1881, in yeograiihic and chronologic order, by Jules Marcou and John Belknap Marcou 



1884. 8^. 184 jip. Trice 10 cents. 



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

 R. VanHise. 1884. 8". 56 pp. 6 pi. I'ricc Id cents. 



9. A report of work done in the Wa.shiiigf.iii Luboratory during the Jiscal year 1883-'84. F W. 

 Clarke, chief chemist; T.M.Chatard, assi.stanf chciiiist. 1884. 8°. 40 pp. Price 5 cents. 



10. On the Cambrian Faunas of North America. Preliminary studies, bv Charles Doolittle Wal- 

 cott. 1884. 8^\ 74 pp. 10 pi. I'riiM- 5 cents. 



11. On the Quaternary and Recent JloUusca of the (Jreat Basin; with Descriptions of New 

 Forms, by E. Ellsworth Call. Introduced bv a sketch of the Quaternary Lakes of the Great Basin 

 by (;. K. (iilbert. 1884. 8^^. 6fi ])p. 6 pi. Price .5 cents. 



12. ACrystallographicStudy oftheThinoliteof Lake Lahontan, by Edward S. Dana. 1884 8° 

 34 pp. 3 pi. Price 5 cents. 



13. lioiinibirics of tlic United States and of the several States and Territories, with a Historical 

 Sketch of tlic TcrritciiiMl Cliaiiges, by Henry Gannett. 1885. 8". 135 pp. Price 10 cents. 



14. The Electrical and Magnetic Properties of the Iron-Carburets, ))y Carl Barus and Vincent 

 Stronhal. 1885. 8^. 238 pp. Price 15 cents. 



15. On the Mesozoic and Cenozoic Paleontology of California, by Charles A. White. 18,s,-,. 8^. 

 33 pp. Price 5 cents. 



16. On the 1 1 iuJici 1 ic\duian Faunas of Ontario County, New York, by John M. Clarke. 1885. 8^. 

 86 pp. 3 pi. I'licc 5 ( 1 iits. 



17. On the 1 ic\ cldiiiiieiit of Crystallization in the Igneous Rocks of Washoe, Nevada, with Notes 

 on the Geology of the District, by Arnold Hague and Joseph P. Iddiugs. 1885. 8°. 44 pp. Price 5 

 cents. 



18. On Marine Eocene, Fresh- water Miocene, aud other Fossil Mollnsca of Western North America, 

 by Charles A. White. ISS.".. s. 26 pp. 3 pi. Price 5 cents. 



19. NotcsDU tlic Str;itij;rM|)liy of California, by (TeorgeF.Becker. 1885. 8". 28pp. Price5cents. 



20. Couti-ibntioiis tci tlic Al liieralogy of the Rockv Mountains, by Whitman Cross and W. F. Hille- 

 brand. 1885. 8^. 114 i)p. 1 pi. Price 10 cents. 



21. The' Lignites of the Great Sioux Reservation; a rei)ort on the Region between the Grand 

 and Jlorean Rivers, Dakota, Ijy Bailey Willis. 1885. 8'=. 16 p]i. 5 pi. Price 5 cents, 



22. On New Cretaceous Fossils from Clalifornia, by Charles A. White. 1885. 8°. 25 pp. 5 pi. 

 Price 5 cents. 



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

 Keweenaw Point, Lake Superior, by R. D. Irving and T. C. Chamberlin. 1885. S'^. 124 pp. 17 pi. 

 Price 15 cents. 



24. List of Marine Mollnsca, comprising the Quaternary fossils and recent forms from American 

 Localities between Cape Hatteras and Cape Rociue, including the Bermudas, by William Healev Dall 



1885. 8°. 336 pp. Price 25 cents. 



25. The Present Technical Condition of the Steel Industrv of the United States, by Phineas 

 Barnes. 1885. 8^^. 85 pp. Pricp 10 cents, 



26. Copper SmeltiiiL;, liy I Icury M. Howe, 1885, 8'^, 107 i)p. Price 10 cents. 



27. Report of woli^ ibuic in the Division of Chemistry .ind Phvsics, mainly during the liscal vear 

 1884-'85. 1886. 8°. 80 j,],. Uric 10 cents. ' . r- . 



28. The Ga]d>ros and .Vssociatcd Hornblende Rocks occurring iu the Neighborhood of Baltimore 

 Md., by George Hnnfington Williams. 1886. 8-\ 78 pp. 4 pi. Price 10 cents. 



29. On tlie Fresh-water Invertebrates of the North American Jur.assic, by Charles A. White. 1886. 

 8^. 41 pp. 4 pi. Price 5 cents. 



30. Second Contribution to the Studies on the Cambrian Fauuas of North America, bv Charles 

 Doolittle AValcott. 1886, 8°. 369 pp. 33 pi. Price 25 cents. 



31. Systematic Ri-view of our Present Knowledge of Fossil Insects, including Myriapods and 

 Arachnids, by Samiii'l Ilnbiiard Scudder, 1886, 8°. 128 ]>]>. Price 15 cents. 



32. Lists and Analvscs of the Mineral Springs of the United States; a Preliminary Study, by 

 Albert C. Peale. 1886. 8 . 235 pp. Price 20 cents. 



33. Notes on the Geology ofNoitlnru California, by J. S.Diller. 1886. 8". 23 pp. Price 5 cents. 



34. On the Relation of the La nimie Mdlhiscau Fauna to that of the succeeding Fresh-water Eocene 

 and other groups, by Charles A, Mliite, 1886, 8>-\ 54 pp, 5 pi. Price 10 cents, 



35. Physical Properties of the Iron-Carburets, by Carl Barus and Vincent Strouhal, 1886. 8*^. 

 62 pp. Price 10 cents. 



36. Subsidenceof FineSolidParticlesinLi(|uids,bvCarlBarns, 1886, 8^', .58pp. Price lOceuts. 



37. Tvpes of I In' Laviiniie Flnru, bv Lester F.Ward. 1887. 8^. 351pp. 57 pi. Price 25 cents. 



38. PeridotiteofF.llinttCouiity, Kentucky, liy.I. S.Diller. 1887. 8^. 31pp. Ipl. Price5cents. 



39. The Upper Beaches aud Deltas of the (ilacial Lake Aga.ssiz, by Warren Uphani. 1887. 8"^. 

 84 pp. 1 pi. Price 10 cents. 



40. Changes in River Courses in Washington Territoi-y due to Glaciation , b.\- Bailey Willis. 1887. 

 8". 10 pp. 4 pi. Price 5 cents. 



41. On the Fossil Faunas of the Upper Devonian — the Genesee Section, New York, by Henry S. 

 Williams, 1887. 8°. 121 pp. 4 i.l. Price 15 cents. 



42. Report of work done in the Division of Chemistry and I'hvsics, mainlv during the liscal year 

 1885-'86, F. W, Clarke, chief chemist, 1887, 8^, 152 pp, 1 pi. Price 15 cents. 



