48 rROCEEDINGS OF THE BOSTON MEETING 



38. Southern and southwestern Utah ; geologic data by G. K. Gilbert, A, K. 



Marvine, and E. E, Howell. United States Geographical and Geolog- 

 ical Surveys West of the 100th Meridian. Geological Atlas, sheet 59. 



39. Parts of eastern California, southeastern Nevada, northwestern Arizona, 



and southwestern Utah ; geologic data by G. K. Gilbert, A. R. Mar- 

 vine, and E. E. Howell. United States Geographical and Geological 

 Surveys West of the 100th Meridian. Geological Atlas, sheet 66. 



40. Parts of northern and northwestern Arizona and southern Utah ; geologic 



data by G. K. Gilbert, A. R. Marvine, and E. E. Howell. United States 

 Geographical and Geological Surveys West of the 100th Meridian. 

 Geological Atlas, sheet 67. 



41. Parts of eastern Arizona and western New Mexico ; geologic data by G. K. 



Gilbert, A. R. Marvine, and E. E. Howell. United States Geographical 

 and Geological Surveys West of the 100th Meridian. Geological Atlas, 

 sheet 76. 



42. Parts of eastern and southeastern Arizona, western and southwestern 



New Mexico ; geologic data by G. K. Gilbert, A. R. Marvine, and E. E. 

 Howell. United States Geographical and Geological Surveys West of 

 the 100th Meridian. Geological Atlas, sheet 83. 



43. The Colorado plateau province as a field for geological study. American 



Journal of Science, third series, volume 11, pages 1-27. 



44. The geology of portions of our western territory visited in the years 1871, 



1872, and 1873 [extracted from United States Geographical and Geo- 

 logical Surveys West of the 100th Meridian Report, volume 3]. 



1877 



45. Report on the geology of the Henry Mountains. United States Geograph- 



ical and Geological Survey of Rocky Mountain Region. 



46. Lake Bonneville [abstract]. Philosophical Society of Washington Bulle- 



tin, volume 2, page 103 ; also in American Naturalist, volume 2, page 

 445 (one-half page). 



47. Geological investigations in the Henry Mountains of Utah [abstract]. 



American Naturalist, volume 2, page 447 (one-half page). 



48. The Henry Mountains [abstract]. Philosophical Society of Washington 



Bulletin, volume 2, pages 112-113. 



49. A special method of barometric hypsometry [abstract]. Philosophical 



Society of Washington Bulletin, volume 2, pages 131-132. 



50. [Report on work in Henry Mountains and on history of Lake Bonneville.] 



Report on the geological and geographical survey of the Rocky Moun- 

 tain region, by J. W. Powell, pages 5-6, 17. Abstract in American 

 Journal of Science, third series, volume 15, pages 351-353, 1878. 



1878 



51. The drainage system of the Black Hills of Dakota [abstract]. Philo- 



sophical Society of Washington Bulletin, volume 2, pages 125-128. 



52. A proposed new leveling instrument. Philosophical Society of Washing- 



ton Bulletin, volume 2, page 184. 



53. The recent history of Great Salt Lake. Philosophical Society of Wash- 



ington Bulletin, volume 2, page 187. 



