Author's Catalogue. 127 
Hovey, E. O. 
Erosion forms in Harney peak district, South Dakota. (Bull. G. 
S. A., vol. II, pp. 581 -.583, 1900. Abstract.) 
Kemp, J. F. 
The recalculation of the chemical analyses of rocks. (School of 
Mines Quarterly, vol. 22, pp. 75-88. Nov., 1900.) 
Keyes, C. R. 
Formational synonymy of the Coal Measures of the western inte- 
rior basin. (Proc. Iowa Acad. Sci., vol. vii, pp. 82-105, 2 plates, Des 
Moines, iqoo.) 
Keyes, C. R. 
Genesis of normal compound and normal horizontal faulting. 
(Proc. Iowa Acad. Sci., vol. 7, p. 112, Des Moines, 1900.) 
Keyes, C. R. 
Terraces of the Nile valley. (Proc. Iowa Acad. Sci., vol. 7, pp. 
111-112, Des Moines, 1900). Abstract. 
Knight, W.C. 
A preliminary report on the Artesian basins of Wyoming. Bull. 
Wyoming Exper. Sta., No. 45, Laramie, 1900. Plates and map. 
Lindgren, Waldemar 
Metasomatic Processes in Fissure-veins. (Trans. Am. Inst. Min. 
Eng., pp. IIS, Feb., 1900.) 
Merriam, John C. 
Ground sloths in the California Quaternary. (Bull. G. S. A., 
vol. II, pp. 612-614, 1900.) 
Miller, W.G. > 
On some newly discovered areas of nepheline syenyte in central 
Canada. (Am. Gerl., vol. 27, pp. 21-25, Jan., 1901.) 
Miller, W.G. 
Minerals of Ontario, with notes. (Rep. Bureau of Mines, pp. 192- 
212, 1900.) 
O'Harra, C. C. 
A history of the early explorations and of the progress of geolog- 
ical investigation in the Black Hills region. (Bui. No. 4, S. Dak. School 
of Mines, pp. 1-44. Rapid City, April, 1900.) 
O'Harra, C. C. 
A bibliography of contributions to the geology and geography of the 
Black Hills region. (Bull. No. 4, S. Dak. School of Mines, pp. 45-88. 
April, 1900.) 
Osborn, H. F. 
Oxyaena and Patriofelis restudied as terrestrial Creodonts. (Bull. 
Am. Mus. Nat. Hist., vol. 13, pp. 269-279, Dec. 21, 1900.) 
Osborn, F. H. 
Origin of the Mammalia iii. Occipital condyles of Reptilian 
tripartite type. (Am. Nat., J4. pp. 934-947, Dec, 1900.) 
Penf leid, S. L. 
Stereogranhic Projection and its possibilities, from a graphical 
standpoint. (Am. Jour. Sci.. xi, pp. 1-24, Jan., 1901.) 
