684 RECENT PUBLICATIONS 



— ^BuRRELL, G. A. Gases Found in Coal Mines. [Bureau of Mines Miners' 

 Circular 14. Washington, 1914.] 



■ , AND Seibert, F. M. The Inflammable Gases in Mine Air. [Bureau 



of Mines Technical Paper 39. Washington, 1913.] 



— ^Butler, B. S. Notes on the Unaweep Copper District, Colorado. [U.S. 

 Geological Survey Bulletin s8o-B. Washington, 19 14.] 



— ^BuTTS, Charles. The Coal Resources and General Geology of the Pound 

 Quadrangle in Virginia. [Virginia Geological Survey Bulletin IX. Char- 

 lottesville, 1 9 14.] 



— Cahill, B.J. S. An Account of a Land Map of the World, on a New and 

 Original Projection. [Jour. Assn. of Engineering Societies, Vol. LI, No. 4, 

 October, 1913.] 



— Calvert, W. R., Beekly, A. L., Barnett, V. H., and Pishel, M. A. 

 Geology of the Standing Rock and Cheyenne River Indian Reservations, 

 North and South Dakota. [U.S. Geological Survey Bulletin 575. Wash- 

 ington, 1914.] 



— Cambridge Philosophical Society, Proceedings of the. Vol. XVII, Part V. 

 [Cambridge, England, 19 14.] 



— Chabot, Georges. Le Revermont. [Extrait des Annates de Geographic, 

 tome XXII. Paris, 1913.] 



— Clark, H. H. Portable Electric Mine Lamps. [Bureau of Mines' Tech- 

 nical Paper 47. Washington, 1913.] 



, AND Ilsley, L. C. The Action of Acid Mine Water on the Insulation 



of Electrical Conductors; A Preliminary Report. [Bureau of Mines 

 Technical Paper 58. Washington, 1913.] 



— Clement, J. K., and Walker, L. V. An Electrolytic Method of Prevent- 

 ing the Corrosion of Iron and Steel. [Bureau of Mines Technical Paper 1 5. 

 Washington, 19 13.] 



— Covert, C. C, Horton, A. H., and Hoyt, U. S. Surface Water Supply 

 of the United States, 191 2. [U.S. Geological Survey Water Supply 

 Paper 324. Washington, 1914.] 



— Cox, J. Beyond the Atom. [The Cambridge Manuals of Science and 

 Literature. Cambridge: University Press, 19 13.] 



— ^Darton, N. H. Underground Water of Luna County, New Mexico. With 

 Results of Pumping Tests, by A. T. Schwennesen. [U.S. Geological 

 Survey Water Supply Paper 345-46. Washington, 1914.] 



— Davis, E. F. The Registration of Earthquakes at the Berkeley Station 

 and at the Lick Observatory Station from April i to September 30, 1913. 

 [University of California Publications, Bulletin of the Seismographic 

 Stations, No. 6, pp. 117-33. Berkeley: University of California Press, 

 1914.] 



— De Margerie, Emm. Deux accidents crateriformes Crater Lake (Oregon) 

 et Meteor Crater (Arizona). [Extrait des Annales de Geographic, tome 

 XXII. Paris, 1913.] 



