RECENT PUBLICATIONS 787 



-Chamberlin, T. C, and Salisbury, R. D. Introductory Geology. [New 

 York: Henry Holt & Co., 19 14.] 



-Clarke, F. W. The Constitution of the Natural Silicates. [U.S. Geo- 

 logical Survey, Bulletin 588. Washington, 1914.] 



-Cook, C. W. The Brine and Salt Deposits of Michigan, Their Origin, 

 Distribution and Exploitation. [Michigan Geological and Biological 

 Survey, Publication 15, Geological Series 12. Lansing, 19 14.] 



-Coons, A. T. The Production of Slate in 1913. [U.S. Geological Survey, 

 Mineral Resources of the United States, 1913, Part II, 6. Washington, 

 1914.] 



-Crook, A. R. Report on the Progress and Condition of the Illinois State 

 Museum of Natural History for the Years 191 1 and 191 2. In two parts. 

 [Springfield, February, 1913.] 



-Cross, W,, and Larsen, E. S. Contributions to the Stratigraphy of 

 Southwestern Colorado. [U.S. Geological Survey, Prof. Paper 90-E. 

 Washington, 1914.] 



-Day, D. T. The Production of Asphalt, Related Bitumens, and Bituminous 

 Rock in 19 13. [U.S. Geological Survey, Mineral Resources of the United 

 States, 1913, Part II, pp. 537-44. Washington, 1914.] 



-DiLLER, J. S. The Production of Chromic Iron Ore in 1913. [U.S. Geo- 

 logical Survey, Mineral Resources of the United States, 19 13, Part I, 2. 

 Washington, 1914.] 



The Production of Talc and Soapstone in 1913. [U.S. Geological 



Survey, Mineral Resources of the United States, 19 13, Part II, 11. 

 Washington, 19 14.] 



-DuNLOP, J. P. The Recovery of Secondary Metals in 19 13. [U.S. Geo- 

 logical Survey, Mineral Resources of the United States, 19 13, Part I, 5. 

 Washington, 1914.] 



-DwERRYHOUSE, A, R. Gcological and Topographical Maps, Their Inter- 

 pretation and Use. [London: Edward Arnold, 191 1.] 



-Eakin, H. M. The Iditarod-Ruby Region, Alaska. [U.S. Geological 

 Survey, Bulletin 578. Washington, 1914.] 



-Etheredge, R., Jr. Palaeontological Contributions to the Geology of 

 Western Australia. IV. [Western Australia Geological Survey, Bul- 

 letin 55. Perth, 1913.] 



-Feldtmann, F. R., and Farquharson. Contributions to the Study of the 

 Geology and Ore Deposits of Kalgoorlie, East Coolgardie Goldfield. 

 Part II. [Western Australia Geological Survey, Bulletin 51. Perth, 



1913-] 

 -Gee, L. C. E. A Review of Mining Operations in the State of South 

 Australia, during the Half -Year Ended December 31st, 1913. No. 19. 

 Compiled and Issued under the Authority of the Honorable Sir Richard 

 Butler, M.P., Minister of Mines. [Adelaide: R. E. E. Rogers, Govern- 

 ment Printer, North Terrace, 19 14.] 



