Monthly Author's Catalogue. 193 
SHALER, M. K. (see TAFF, J. A.) 
SELLARDS, E. H. (see BEEDE, J. W.) 
SINCLAIR, WM. J. 
New or Imperfectly known Rodents and Undulates from the 
John Dav Series. (Bull. Dept. Geol. Univ. Calif., vol. 4, No. 6, pp, 
125-143, Pis. 14-18, 1905). 
SINCLAIR, WM. J. 
The Marsupial Fauna of the Santa Cruz Beds. (Proc. Am. Phil. 
Soc, vol. 49, p. 73, Apr., 1905). • 
SMITH, W. S. TANGIER. (See ULRICH, E. O.) 
SMITH, G. O. 
The granite industry of the Penobscot Bay quadrangle. (U. S. 
G. S. Bull. No. 260, pp. 489-493, 1905). 
SPENCER, ARTHUR C. 
Progress of Work in the Pre-Cambrian Rocks. (Geol. Sur. N. 
J., Ann. Rep. 1904, pp. 247-253). 
STANTON, T. W. (and G. C. MARTIN). 
Mesozoic Section of Cook's Inlet and Alaska Peninsula. (Bull. 
Geol. Soc. Am., vol. 16, pp. 391-410, Pis. 67-70, 1905). 
STEIGER, GEORGE. 
The action of silver nitrate and thallous nitrate upon certain 
natural silicates. (U. S. G. S. Bull. No. 262, pp. 75-91, 1905). 
STEIGER, GEORGE. (See CLARKE, F. W.) 
TAFF, J. A. 
Progress of coal work in Indian Territory. (U. S. G. S. Bull. 
No. 260, pp. 382-402, 1905). 
TAFF, J. A. (and M. K. SHALER). 
Notes on the geology of the Muscogee oil fields. (U. S. G. S. 
Bull. No. 260, pp. 441-446, 1905). 
TAYLOR, T. N. (and J. C. HOYT). 
Progress of Stream Measurements. (U. S. G. S. Wat. Sup. and 
Irr. Pap. No. 132, Part 9, pp. 133, pis. 2, 1905). 
TRUE, F. W. 
A Fossil Sea Lion from the Miocene of Oregon. (Smithsonian 
Misc. Coll., vol. 3, pp. 47-50, 1905). 
UDDEN, J. A. 
On the Proboscidean Fossils of the Pleistocene Deposits in 
Illinois and Iowa. (Augustana Lib. Pub. No. 5, pp. 43-57, 1905). 
ULRICH, E. O. (and W. S. TANGIER SMITH). 
The Lead, Zinc, and Fluorspar Deposits of Western Kentucky, 
Part I. (U. S. G. S. Prof. Pap. No. 36, pp. 104, Pis. 7, 1905). 
