Recent Publications. 



-Blake, William P. Superficial Blackening and Discoloration of Rocks, 

 Especially in Desert Regions. [Transactions of the American Institute of 

 Mining Engineers, Lake Superior Meeting, September, 1914.] 



-BowNOCKER, John Adams. The Occurrence and Exploitation of Petroleum 

 and Natural Gas in Ohio. [Geological Survey of Ohio, Fourth Series, 

 Bulletin No. i, Columbus, December, 1903.] 



-Carne, J. E. The Kerosene Shale Deposits of New South Wales, with maps, 

 plates and sections. [Department of Mines and Agriculture, Memoirs of 

 the Geological Survey of New South Wales; Sydney: W. A. GulHck, 1903.] 



-Carpenter, Franklin R. The New Geology and Vein Formation. [Pro- 

 ceedings of the Colorado Scientific Society, Vol. VII, pp. 263-66; Denver, 

 March, 1904.] 



-Carter, Oscar C. S. The Petrified Forests and Painted Desert of Arizona. 

 [Reprinted from the Journal of the Franklin Institute, April, 1904.] 



-Clarke, John M. Perce, a Brief Sketch of its Geology. [Advance Sheets from 

 Report of New York State Paleontologist, University of State of New York, 

 1904.] 



NaplesFaunain Western New York. Part 2. [New York State Museum, 



Memoir 6.] 



-Elbert, Johannes. Die Entwicklung des Bodenreliefs von Vorpommern 

 and Riigen, sowie den angrenzenden Gebieten der Uckermark und Meck- 

 lenburgs wahrend der letzten diluvialen Vereisung. [Verlag der "Geogra- 

 phischen Gesellschaft," Greifswald, 1904.] 



-Etheridge, R. a. Monograph of the Cretaceous Invertebrate Fauna of New 

 South Wales. [Department of Mines and Agriculture, Memoirs of the 

 Geological Survey of New South Wales, Paleontology No. 11; Sydney: W. A. 

 Gullick.] 



-Farrington, Oliver Cummings. Observations on the Geology and Geog- 

 raphy of Western Mexico, Including an Account of The Cerro Mercado. 

 [Field Columbian Museum Publications, No. 89, Geological Survey, Vol. II, 

 No. 5, 1904.] 



The Geographical Distribution of Meteorites. [Reprinted from the 



Popular Science Monthly, February, 1904.] 



-Frost, Edwin B., and Adams, Walter S. Eight Stars Whose Radial 

 Velocities Vary. [Reprinted from the Astrophysical Journal, March, 1904.] 



566 



