— 309 — 



ledge of the Geology of Texas, by R. T. Hill. 1887; No. 46. 

 Nature and Origin of Deposits of Phosphate of Lime, by R. A. F. 

 Penrose, jr. , 1888; No. 47. Analyses of Waters of the Yellow- 

 stone National Park, with au Account of the Methods of Analysis 

 employed, by F. A. Gooeh and J. E. Whitfield. 1888; No. 48. 

 On the Form and Position of the Sea Level, by R. S. Woodward. 

 1888; No. 49. Latitudes and Longitudes of Certain Points in 

 Missouri, Kansas, and New Mexico, by R. S. Woodward. 1889: 

 No. 50. Formulas and Tables to facilitate the Construction and 

 üse of Maps, by R. S. Woodward. IS.si): No. 51. On Invertebrate 

 Fossils from the Pacific Coast, by C. A. White. 1889; No. 52. 

 Subaerial Decay of Rocks and Origin of the Red C'olor of Certain 

 Formations, by J. C. Russell. 1889: No. 5o. The Geology of Nan- 

 tucket, by N. S. Shaler. 1889; No. 54. On the Thermo-Electric 

 Measurement of High Temperatures, by C. Barus. 1889: No. 55. 

 Report of work done in the division of Chemistry and Physics, 

 mainly during the fiscal year 1886—87. F. W. Clarke. 1889; 

 No. 56. Fossil Wood and Lignite of the Potomac Formation, by 

 Fr. H. Knowlton. 1889; No. 57. A Geological Reconnaissance in 

 Southwestern Kansas, by R. Hay. 1890: No. 59. The Gabbros 

 and Associated Rocks in Delaware, by F. D. ehester. 1890. No. 60. 

 A Report of work done in the Division of Chemistry and Physics, 

 mainly during the fiscal year 1887 — 88. F. W. Clarke. 1890; 

 No. 61. Contributions to the Mineralogy of the I'acific Coast, by 

 W. H. Melville and W. Lindgren. 1890." 8". 

 Monographs, Vol. 1 — 16. 1882 — 90. Vol. 1. Lake Bonneville, 

 by Grove Karl Gilbert. 1890; Vol. IL Tertiary History of the 

 Grand Cafion District, with atlas, by C. E. Dutton. 1882; A^'ol. 3. 

 Geology of the Comstock Lode and the Washoe District, with 

 atlas, by G. F. Becker. 1882; Vol. 4. Comstock Mining and Miners. 

 by E. Lord. 188^!: Vol. 5. The Copper-Bearing Rocks of Lake 

 Super'or, by R. D. Irving. 1883; Vol. 6. Contributions to the 

 Knowledge of the Ol der Mesozoic Flora of Virginia, by W. M. Fon- 

 taine. 1883: Vol. 7. Silver-Lead Deposits of Eureka, Nevada, by 

 J. St. Curtis. 1884; Vol. 8. Paleontology of the Eureka District, 

 by Ch. D. Walcott. 1884; Vol. 9. Brachiopoda and Lamellibran- 

 chiata of the Rarytan Clays and Greensand Marls of New Jersey, 

 by R. P. Whitfield. 1885; Vol. 10. Dinocerata. A Monograph of 

 an Extinct Orter of Gigantic Mapimals, by 0. Ch. Marsh. 1886; 

 Vol. 11. Geological History of Lake Lahontan, a Quaternary Lake 

 of Northwestern Nevada, by I. C. Russell. 1885: Vol. 12. Geology 

 and Mining Industry of Leadville, Colorado, with atlas, by S. F. Em- 

 raons. 1886; Vol. 13. Geology of the Quicksilver Deposits of the 

 Pacific Slope, with atlas, by G. F.Becker. 1888: Vol. 14. Fossil 

 Fishes and Fossil Plauts of the Triassic Rocks of New Jersey and 

 the Connecticut Valley, by J. S. Newberry. 1888; Vol. 15. The 

 Potomac or Younger Mesozoic Flora, by W. M. Fontaine. 1889; 

 Vol. 16. The Paleozoic Fishes of North America, by J. St. New- 

 berrv. 188!). 4^ 



