254 The American Geologist. ^i"""- ^^"^ 
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Iron Ores in Utah. (Mines and Minerals, vol. 25, March, 1905.) 
MATTHEW, G. F. 
New species and a new genus of batrachian footprints of the 
Carboniferous system in Eastern Canada. (Trans. Roy. Soc Can., 
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MORGAN, W. C. 
The origin of bitumen. (Am. Geol., vol. 35, pp. 46-50, Jan., 1905.) 
OBALSKI, J. 
A new mining district in Quebec. (Eng. Min. Jour., vol. 79, p. 
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OSBORN, H. F. 
Recent Zoopaleontologj^- (Science, vol. 21, p. 315, Feb. 24, 
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Preliminary report on the operations of the coal-testing plant 
of the United States Geological Survey, at the Louisiana Purchase 
Exposition, St. Louis, Mo., 1904. Bull. No. 261, U. S. G. S., pp. 172, 
1905. 
PAYNE, HENRY M. 
The Tug River Coal Field. (Mines and Minerals, vol. 25, 
March, 1905.) 
RANDOLPH, BEVERLY S. 
Seaboard Coal Regions along the Baltimore and Ohio Railroad. 
(Mining Mag., vol. 11, No. 3, March, 1905.) 
RICE, GEO. S. 
The Illinois Coal Field. (Mining Mag., vol. 11, No. 3, March, 
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ROWE, J. P. 
The Montana Coal Fields. (Mining Mag., vol. 11, No. 3, March, 
1905.) 
ROWE, J. P. 
Montana gypsum deposits. (Am. Geol., vol. 35, pp. 104-113, 
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RUSSELL, L C. 
Biographical notice of William Henry Pettee. (Am. Geol., vol. 
35, pp. 1-4, Jan., 1905.) 
SCHALLER, W. T, 
Dumortierite. (Am. Jour. Sci., vol. 19, pp. 211-224, March, 1905.) 
SCHALLER, W. T. 
Crystallography of lepidolite. 'Am. Jour. Sci., vol. 19, p. 225, 
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SMITH, D. T. 
The Geology of the Upper Region of the Main Walker River, 
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