BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 149 
Perkins, George II. — Continued. 
1908. The lignite or brown coal of Brandon [Vermont]. — Vermont Geol. 
Survey, Fifth Kept. State Geol., pp. 188-194, 3 ]>ls.. 2 figs., 1906. 
Describes the character of the lignite and of the plant remains found in it. 
1909. Fossils of the [Brandon] lignite. — Vermont Geol. Survey, Fifth Kept. 
State Geol., pp. 202-230, 7 pis., 1906. 
Describes the occurrence of the Tertiary fruits at Brandon, Vt., and gives systematic 
descriptions and figures of the fossils. 
1910. The drinking waters of Vermont. — Vermont Geol. Survey, Fifth Kept. 
State Geol., pp. 254^344, 1906. 
Includes data upon the underground waters. 
Perkins, W. R. 
The underground waters of Mississippi. — See Logan and Perkins, no. 1610. 
Perry, Joseph H. 
The green schists and associated granites and porphyries of Rhode Island. — 
See Emerson and Perry, no. T'.»<). 
Peter, Robert. 
1911. Chemical report of the coals, clays, mineral waters, etc., of Ken- 
tucky. — Kentucky Geol. Survey, Bull. no. 3, 77 pp., 1905. 
Petereit, A. H. 
1912. Crystallized native copper from Bisbee, Arizona. — Am. Jour. Sci., 
4th ser., vol. 23, p. 232, 1 fig., March, 1907. 
Peterson, O. A. 
1913. New suilline remains from the Miocene of Nebraska. — Carnegie Mus., 
Mem., vol. 2, pp. 305-324, 2 pis., 4 figs., 1906. 
1914. Preliminary description of two new species of the genus Diceratherium 
Marsh, from the Agate Spring fossil quarry. — Science, new ser., vol. 24, pp. 
281-283, August 31, 1906. 
1915. The Agate Spring fossil quarry [Nebraska]. — Carnegie Mus., Annals, 
vol. 3, no. 4, pp. 487^94, 1 pi., 5 figs., 1906. 
Describes the occurrence of vertebrate remains in the quarry and the method of col- 
lecting, gives a provisional list of the fauna, and discusses the origin of the sediment 
forming the matrix. 
1916. The Miocene beds of western Nebraska and eastern Wyoming and their 
vertebrate faunae. — Carnegie Mus., Annals, vol. 4, no. 1, pp. 21-72, 11 pis., 20 
figs., 1906. 
Describes the occurrence and relations of the Miocene formations in western Nebraska 
and eastern Wyoming and gives lists of the vetebrate fossils of each and descriptions of 
the new forms. 
Phalen, William Clifton. 
1917. Review of "The origin of Clinton red fossil ore in Lookout Mountain, 
Alabama," by William M. Bowron (Am. Inst. Min. Eng., Trans., vol. 30, pp. 587- 
604).— Econ. Geology, vol. 1, no. 6. pp. 584-588, June, 1906. 
1918. Origin and occurrence of certain iron ores of northeastern Kentucky. — 
Econ. Geology, vol. 1, no. 7, pp. 660-673, 1 fig., 1906. 
1919. Copper deposits near Luray, Va. — U. S. Geol. Survey, Bull. no. 285, 
pp. 140-143, 1906. 
Describes the rocks of the region, and the occurrence and origin of the copper ores. 
1920. Coal resources of the Kenova quadrangle. — U. S. Geol. Survey, Hull. 
no. 285, pp. 259-268, 1 fig., L906. 
Describes tlie general geology, the occurrence and character of the coal beds, and the 
composition and character of the coals in northeastern Kentucky and adjacent parts of 
Ohio. 
