Recent Publications 



-Rastall, R. H. Agricultural Geology. [Cambridge: University Press, 

 1916.] 



-Rio de Janeiro, Archives do Museu Nacional do. Vol. XVIII. [Rio de 

 Janeiro, Brazil, 1916.] 



-Rogers, G. S. Chemical Relations of the Oil-Field Waters in San Joaquin 

 Valley, California. Preliminary Report. [U.S. Geological Survey, Bul- 

 letin 653. Washington, 1917.] 



-Rose, B. Wood Mountain-Willowbunch Coal Area, Saskatchewan. [Can- 

 ada Department of Mines, Memoir 89, No. 1138, Geological Survey, 

 Geological Series, No. 75. Ottawa, 1916.] 



-St. Clair, S. Clay Deposits near Mountain Glen, Union County, Illinois. 

 [Illinois Geological Survey, extract from Bulletin 36. Urbana, 1917.] 



-Sauer, C. O. Geography of the Upper Illinois Valley and History of 

 Development. [Illinois Geological Survey, Bulletin 27. Urbana, 1916.] 



-School of Mines and Metallurgy, University of Missouri, Bulletin of. Tech- 

 nical Series, Vol. Ill, No. 2. Studies on the Origin of Missouri Cherts and 

 Zinc Ores. [Rolla, November, 1916.] 



-Schrader, F. C, Stone, R. W., akd Saneord, S. Useful Minerals of the 

 United States. [U.S. Geological Survey, Bulletin 624. Washington 

 1917.] 



-SCHWENNESEN, A. T. Ground Water in San Simon Valley, Arizona and New 

 Mexico. With a Section on Agriculture by R. H. Forbes. [U.S. Geo- 

 logical Survey, Water-Supply Paper 425-A. (Contributions to the 

 Hydrology of the United States, 1917, pp. 1-35.) Washington, 1917.] 



-Smith, G. E. Primitive Man. Proceedings of the British Academy, VoL 

 VII. [London: Oxford University Press, 191 7.] 



-Smith, J. E. A Laboratory Guide for Beginners in Geology. [Chapel Hill, 

 N.C., 1917.] 



-Spencer, L. J. The World's Minerals. With an Appendix by W. D. 

 Hamman. [New York: Frederick A. Stokes Co., 1916.] 



-Strahan, a., and Others. The Investigation of Rivers. Final Report. 

 The Royal Geographical Society. [London: Kensington Gore, S.W. 1916.] 



-ToLMAN, C. F., Jr., and Rogers, A. F. A Study of the Magmatic Sulfid 

 Ores. Leland Stanford Junior University Publications. University 

 Series. [Stanford University, California, 1916.] 



-Udden, J. A., Baker, C. L., and Bose, Emil. Review of the Geology of 

 Texas. [Bulletin of the University of Texas, 1916. No. 44. Austin.] 



-Udden, J. A., and Bybee, H. P. The ThraU Oil Field. Also "Ozokerite 

 from the Thrall Oil Field," by E. P. Schoch, and "The Chemical Com- 

 position of the Petroleums Obtained at Thrall, Texas," by E. P. Schoch 

 and W. T. Read. [Bulletin of the University of Texas, 1916. No. 66. 

 Bureau of Economic Geology and Technology. Austin, 1916.] 



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