BIBLIOGRAPHY. 
A. 
1 Abbe (Cleveland). The physiographic features of Maryland. 
Am. Bur. Geog., vol. 1, 1900. (Not seen.) 
2 Adams (Charles C). Baseleveling and its fauna! significance, with 
illustrations from southeastern United States. 
Am. Nat., vol. 35, pp. 839-852, figs. 1-5, 1901. Science, new ser., vol. 
13, p. 373,1901. 
Describes the process of baseleveling and its influence on the distribu- 
tion of faunas. Includes a bibliography. 
3 Adams (Frank D.). George M. Dawson. 
Science, new ser., vol. 13, pp. 561-563, 1 pi., 1901. 
Gives an account of his life and work. 
■i Experimental work on flow of rocks. 
Abstracts: Geol. Soc. Am. Bull., vol. 12, pp. 455-461, pis. 42-43, L901. 
Science, new ser., vol. 13, pp. 95-96, 1901. 
5 and Nicholson (John Thomas). An experimental investiga- 
tion into the flow of marble. 
London Roy. Soc, Phil. Trans., ser. A., vol. 195, pp. 363-401 , pis. 22-25, 
1901. (Not seen.) 
Abstract: Am. Geol., vol. 27, p. 316, 1901. 
(> Adams (George I.). The Carboniferous and Permian age of the 
Red Beds of eastern Oklahoma from stratigraphic evidence. 
Am. Jour. Sci., 4th ser., vol. 12, pp. 383-386, 1 fig., 1901. 
Describes the extension of these beds from Kansas into Oklahoma 
and dicusses the evidence as to their age. 
7 Oil and gas fields of the western interior and noil hern Texas 
Coal Measures, and of the Upper Cretaceous and Tertiary 
of the Western Gulf Coast. 
U. S. Geol. Surv. Bull. No. L84, pp. 1-64, pis. i-ii. figs, lb L901, 
Describes the general geology of the oil and gas fields of Kansas ami 
Indian Territory, and the developments of the various localities. De- 
scribes the stratigraphy of the Texas oil fields and their developments. 
8 Aguilera (J. G.). Distribution geografica y geologica do los cri- 
aderos minerales de la Republics Mexicana. 
A. Ac. d. Cienc. exact lis. y Nat. Mexico, 57 pp., L901. (No! seen, i 
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