Geology — Non-Serials . 
Ill 
* 
Tarr, R. S.—continued. The Central Massachusetts Moraine. 
Am. Journ. Sci,, vol. XLIII, pp. 141-145. 
-Superimposition of the Drainage of Central Texas. Ibid., 
vol. XLI. pp. 359-362. 
-Reconnoissance of the G-uadalupe Mountains. Bulletin 
No. 3 of G-eol. Survey of Texas, 1892. 
--A Hint with Respect to the Origin of Terraces in Glaci¬ 
ated Regions. Amer. Journ. Sci. vol. XLIV, pp. 59-61, 
1892. 
-The Relation of Secular Decay of Rocks to the Formation 
of Sediments.- Amer. Geologist, vol. X, pp. 25-44, 1892. 
Turner, H. W. Some Recent Contributions to the Geology of 
California. Ibid., vol. XI, May, 1893. 
- Glacial Pot-Holes in California. Amer. Jour. Sci., vol. 
XLIV, pp. 453-459, plate IX. 
-Mohawk Lake Beds. Bui. Phil. Soc. Washington, vol. 
XI, pp. 385-410, pi. 4, 1891. 
-The Geology of Mount Diablo, California. Bull. Geol. Soc. 
America, vol. 2, pp. 383-414, pi. 15, 1891. 
Ulrich, A. Palseozoische Versteinerungen aus Bolivien. Inaug. 
Diss. Strassburg, 1892. 
U. S. Hydrographic Officer. The New Volcano of the Bering 
Sea. Science, vol IV, No. 92, pp. 432-434. 
Upham, W., Leverett, F., Shaler, N. S., and Crosby, W. O. 
Discussion of the Climatic Conditions of the Glacial 
Period. Proceedings of the Boston Society of Natural 
History, vol. XXIV, pp. 450-467. 
Upham, W. A Classification of Mountain Ranges according to 
their Structure, Origin and Age. Appalachia, vol. VI, 
No. 3, pp. 191-207. 
-A Review of the Quaternary Era, with Special Reference to 
the Deposits of Flooded Rivers.. Amer. Journ. Sci., 
vol. XLI, pp. 33-52. 
