lA RECENT PUBLICATIONS 
—Dowtinc, D. B. Cretaceous Section in the Moose Mountains District, 
Southern Alberta. [Bulletin of the Geological Society of America, Vol. 
XVII, pp. 295-302. Rochester, June, 1906.] 
—Darton, N. H. Fish Remains in Ordovician Rocks in Bighorn Mountains, 
Wyoming, with a Résumé of the Northwest. [Bulletin of the Geological 
Society of America, Vol. XVII, pp. 541-66, Pls. 73-79. Rochester, 1906.] 
Geology of the Owl Creek Mountains, with Notes on Resources of 
Adjoining Regions in the Ceded Portion of the Shoshone Indian Reservation, 
Wyoming. [Fifty-ninth Congress, 1st Session, Senate, Document No. 219 
Washington, February, 1906.] 
—Davis, W. W. Biographical Memoir of George Perkins Marsh. [Read 
before the National Academy of Sciences, April 18, 1906. Washington, 
1907.] 
Glacial Erosion in the Sawatch Range, Colorado. [Extract from Appa- 
lachia, Vol. X, No. 4.] 
Observations in South Africa. [Bulletin of the Geological Society of 
America, Vol. XVII, pp. 377-450, Pls. 47-54. Rochester, August, 1906.] 
—Davison, C. The Doncaster Earthquake of April 23, 1905. [From the 
Quarterly Journal of the Geological Society, Vol. LXII, 1906, pp. 5-12 and 
Pl. 11—Map.] 
—Day, A. L., and SHEPERD, E. S., The Lime-Silica Series of Minerals, 
with Optical Study by Fred E. Wright. [From The American Journal 
of Science, Vol. XXII, October, 1906.] 
—Day, D. T. Mineral Products of the United States, Calendar Years 1896 
to 1905. [Department of the Interior, U. S. Geological Survey. Washing- 
ton, 1906.] 
———Mineral Resources of the United States, Calendar Year 1905. [U. 5. 
Geological Survey. Washington, 1906.] 
—DresseEr, J. A. A Study in the Metamorphic Rocks of the St. Francis Valley, 
Quebec. [From The American Journal of Science, Vol. XXI, January, 
1906.] 
Igneous Rocks of the Eastern Townships of Quebec. [Bulletin of the 
Geological Society of America, Vol. XVII, pp. 497-522, Pls. 67-68. Roches- 
ter, October, 1906.] 
—Eastman, C. R. Dipnoan Affinities of Arthrodires. [From The American 
Journal of Science, Vol. XXI, February, 1906.] 
—Economic Geology, Contributions to, 1905. [U.S. Geological Survey, Bulletin : 
No. 285. Series A, Economic Geology, 73. Washington, 1906.] 
—EIGENMANN, C. H. On a Collection of Fishes from Buenos Aires. [Pro- 
ceedings of the Washington Academy of Sciences, Vol. VIII, pp. 449-58, 
Pls. XXI-XXIII. Washington, March 4, 1907.] 
—ELuiot, Sc.D., F.R.S.E., etc.,D. G. A Catalogue of the Collection of Mam- 
mals in the Field Columbian Museum. [Field Columbian Museum, Publi- 
cation No. 115; Zodlogical Series, Vol. VIII. Chicago, 1907.] 
