ACKNOWLEDGMENTS. 321 



Tarr, R. S. — Continued. 



— The Carboniferous Area of Central Texas. 10 pp. — Am. Geol., Sept., 1890. 



— The Permian of Texas. 4 pp. — Am. Jour. Sci., Jan., 1892. 



— The Phenomena of Rifting in Granite. 6 pp. — Am. Jour. Sci., April, 1891. 



— Reconnaissance of the Guadalupe Mountains. 42 pp. — Bulletin No. 3. 

 Geological Survey of Texas. 



— The Cretaceous Covering of the Texas Paleozoic. 10 pp. — Am. Geol., 

 March, 1892. 



— The Relation of Secular Decay of Rocks to the Formation of Sediments. 

 20 pp. — Am. Geol., July, 1892. 



— A Hint with respect to the Origin of Terraces in Glaciated Regions. 3 pp. — 

 Am. Jour. Sci., July, 1892. 



— The Central Massachusetts Moraine. 5 pp. — Am. Jour. Sci., Feb., 1892. 

 Todd, J. E. 



— On the Annual Deposit of the Missouri River during the Post-pleiocene. 

 5 pp. — Proc. A. A. A. S., Aug., 1877. 



— Richthofen's Theory of the Loess, in the light of the Deposits of the 

 Missouri. 



— On the Geological Effects of a Varying Rotation of the Earth. 12 pp. — 

 Am. Naturalist, Jan., 1883. 



— Notes on the Geology of Northwestern Iowa. 8 pp. — Proc. Iowa Acad. Sci., 

 1891. 



— Striation of Rocks by River Ice. 5 pp. — Am. Geol., June, 1892. 

 Turner, Henry Ward. 



—Mohawk Lake Beds. 24 pp., i pl.~Phil. Soc, Washington, Bull., Vol. XI, 

 1891. 



— The Geology of Mount Diablo, California, by H. W. Turner, with a supple- 

 ment on the Chemistry of the Mount Diablo Rocks, by W. H. Melville. 32 pp., 

 I pl.—Bull. Geol. Soc. Am., Vol. II, 1891. 

 Upham, Warren. 



— A Review of the Quaternary Era, with a Special Reference to the Deposits of 

 Flooded Rivers. 22 pp. — Am. jour. Sci., Jan., 1891. 



— Glacial Lakes in Canada. 34 pp. — Bull. Geol. Soc. Am., 1891. 



— A Classification of Mountain Ranges according to their Structure, Origin 

 and Age. 16 pp. — Appalachia, Vol. Ill, No. 3, 1891. 



— Inequality of Distribution of the Englacial Drift. 16 pp. — Bull. Geol. Soc. 

 Am., Vol. Ill, 1891. 



— Recent Fossils Near Boston. 9 pp. — Am. Jour. Sci., March, 1892. 

 U. S. Department of Agriculture. 



— Notes on the Climate and Meteorology of Death Valley, California, by Mark 

 W. Harrington. 50 pp. — Weather Bureau, Bulletin No. i. 



• — A Report on the Relations of Soil to Climate, by E. W. Hilgard. 59 pp. — 

 Weather Bureau, Bull. No. 3. 



— Some Physical Properties of Soils in their Relation to Moisture and Crop 

 Distribution, by Milton Whitney. 90 pp. — Weather Bureau, Bull. No. 4. 

 Van Hise, C. R. 



— An Attempt to Harmonize Some Apparently Conflicting Views of Lake 

 Superior Stratigraphy. 20 pp. — Am. Jour. Sci., Vol. XLI, Feb. 189 1. 



— The Iron Ores of the Penokee - Gogebic Series of Michigan and Wisconsin. 

 16 pp., I pi.— Am. Jour. Sci., Vol. XXXVII, Jan., 1889, 



— Upon the Origin of the Mica-Schists and Black Mica-Slates of the Penokee- 

 Gogebic Iron-Bearing Rocks. 6 pp., i pi. — Am. Jour. Sci., Vol. XXXI, June, 

 1886. 



— The Iron Ores of the Marquette District of Michigan. 16 pp.. 111. — Am. 

 Jour. Sci., Feb., 1892. . 



— The Pre-Cambrian Rocks of the Black Hills. 40 pp., 2 pi.. 111. — Bull. Geol. 

 Soc. Am., Vol. I. 



— The Iron Ores of the Lake Superior Region. 9 pp., i pi. — Vol. HI Wis. 

 Acad. Sci. 



