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29. OutheFresli-Waterluvertebratesof the Nortli American Jurassic, byCliarles A. "WTiite. 1886. 

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



30. Second Contribution to tbe Studies on the Cambrian Faunas of North America, by Charles 

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



31. Systematic Review of our Present Knowledge of Fossil Insects, including Myriapods and 

 Arachnids, by Samuel Hubbard Scudder. 1886. 8°. 128 pp. Price 15 cents. 



32. Lists and Analyses 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 of Northern California, by J. S.Diller. 1886. 8°. 23 pp. Price 5 cents. 



34 On the Relation of the Laramie Molluscan Fauna to that of the Succeeding Fresh-Water Eoceue 

 and Other Groups, by Charles A. AVhite. 1886. 8^. 54 pp. 5 jjl. Price 10 cents. 



35. Physical Properties of the Iron-Carburets, by Carl Barus and Vincent Strouhal. 1886. S°. 

 62 pp. Price 10 cents. 



36. SubsideuceofFineSolidPartiolesiuLiquids,byCarlBarus. 1886. 8°. 58i)p. PricelOcents. 



37. Types of the Laramie Flora, by Lester F. AVard. 1887. 8^. 354 pp. 57 pi. Price 25 cents. 



38. PeridotiteofElliottCounty,Kentucky,byJ.S.Diller. 1887. 8='. 31pp. Ipl. Price5cents. 



39. The Upper Beaches and Deltas of the Glacial Lake Agassiz, by Warren Upham. 1887. 8"^. 

 84 pp. 1 pi. Price 10 cents. 



40. Changes iu River Courses in Washington Territory due to Glaciation, by 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°. 121pp. 4 pi. Price 15 cents. 



42. Report of Work done iu the Division of Chemistry and Physics, mainly during the Fiscal Year 

 1885-'86. F W. Clarke, Chief Chemist. 1887. 8". 152 pp. 1 pi. ' Price 15 cents. 



43. Tertiary and Cretaceous Strata of the Tuscaloosa, Tombigbee, and Alabama Rivers, by Eugene 

 A. Smith and Lawrence C.Johnson. 1887. 8°. 189 pp. 21 pi. Price 15 cents. 



44. Bibliography of North American Geology for 1886, by Nelsou H. Darton. 1887. 8^. 35 pp. 

 Price 5 cents. 



45. ThePresentConditiouofKuowledgeoftheGeology of Texas, by Robert T.Hill. 1887. 8°. 

 94 i">p. Price 10 cents. 



46. Nature and Origin of Deposits of Phosphate of Lime, by R. A. F. Penrose, jr., with an Intro- 

 duction by N. S. Shaler. 1888. 8"^. 143 pp. Price 15 cents. 



47. Analyses of Waters of the Yellowstone National Park, with an Account of the Methods of 

 Analysis employed, by Fraulj; Austin Gooch and James Edward 'ftliitfield. 1888. 8'^. 84 pp. Price 

 10 cents. 



48. On the Form and Position of the Sea Level, by Robert Simpson Woodward. 1888. 8°. 88 

 pp. Price 10 cents. 



49. Latitudes and Longitudes of Certain Points in Missouri, Kansas, and New Mexico, by Robert 

 Simpson Woodward. 1889. 8°. 133 pp. Price 15 cents. 



50. Formulas and Tables to Facilitate the Construction and Use of Maps, by Robert Simpson 

 Woodward. 1889. 8°. 124 pp. Price 15 cents. 



51. On Invertebrate Fossils from the Pacific Coast, by Charles Abiathar AVhite. 1889. 8^. 102 

 pp. 14 pi. Price 15 cents. 



52. Subaerial Decay of Rocks and Origin of the Red Color of Certain Formations, by Israel 

 Cook Russell. 1889. 8°. 65 pp. 5 pi. Price 10 cents. 



53. The Geology of Nantucket, by Nathaniel Southgate Shaler. 1889. 8°. 55 pp. 10 pi. Price 

 10 cents. 



54. On the Thermo-Electric Measurement of High Temperatures, by Carl Barus. 1889. 8°. 

 313 pp., incl. 1 pi. 11 pi. Price 25 cents. 



55. Report of Work done in the Division of Chemistry and Physics, mainly during the Fiscal 

 Year 1886-'87. Frank AVigglesworth Clarke, Chief Chemist. 1889. 8°. 96 pp. Price 10 cents. 



56. Fossil Wood and Lignite of the Potomac Formation, by Frank Hall Knowlton. 1889. 8^^. 

 72 pp. 7 pi. Price 10 cents. " 



57. A Geological Reconnoissance in Southwestern Kansas, by Robert Hay. 1890. 8°. 49 pp. 

 2 pi. Price 5 cents. 



58. The Glacial Boundary in AVestern Pennsylvania, Ohio, Kentucky, Indiana, and Illinois, by 

 George Frederick AA^right, with an Introduction by Thomas Chrowder Chamberliu. 1890. 8°. 112 

 pp., incl. 1 pi. 8 pi. Price 15 cents. 



59. The Gabliros and Associated Rocks in Delaware, by Frederick D. Chester. 1890. 8'^. 45 

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60. Report of AVork done in the Division of Chemistry and Physics, mainly during the Fiscal 

 Year 1887-'88. F. W. Clarke, Chief Chemist. 1890. 8'^. 174 pp. Price 15 cents. 



61. Contributions to the Mineralogy of thePaciiie Coast, by William Harlow Melville and AVal- 

 demar Lindgreu. 1890. 8^^. 40 pp. 3 pi. Price 5 cents. 



62. The Greenstone Schist Areas of the Menominee and Marquette Regions of Michigan, a Con- 

 tribution to the Subject of Dynamic Metamorphism in Eruptive Rocks, by George Huntington AVilliams, 

 with an Introduction by Roland Duer Irving. 1890. 8°. 241 pp. 16 pi. Price 30 cents. 



63. A Bibliography of Paleozoic Crustacea from 1698 to 1889, including a List of North Amer- 

 ican Species and a Systematic Arrangement of Genera, by Anthony AV. Vogdes. 1890. S^. 177 pp. 

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64. A Report of AVork done in the Division of Chemistry and Physics, mainly during the Fiscal 

 ATear 1888-'89. F. AV. Clarke, Chief Chemist. 1890. 8'='. 60 pp. PricelOcents. 



