ACKNOWLEDGMENTS. 319 



Russell, I. C. — Continued. 



— Notes on the Surface Geology of Alaska. 64 pp., i pi. — Bull. Geol. Soc. Am. 

 Vol. I, pp. 99-162, 1890. 



— The Geological Museum of the School of Mines, Columbia College. 12 pp. 

 — Am. Naturalist, Aug., 1879. 



— The Cliffs on Kowak River, Alaska, observed by Lieut. Cantwell. 4 pp. — 

 Am. Geol., July, 1890. 



— An Expedition to Moimt St. Elias, Alaska. 150 pp., 19 pi. — Nat. Geog. 

 Magazine, Vol. 3, 1 89 1. 



— Mount St. Elias and its Glaciers. 14 pp., i pi. — Am. Jour. Sci., March, 

 1892. 



— Climatic Changes Indicated by the Glaciers of North America. 16 pp. — Am. 

 Geol., May, 1892. 



— The Geology of Hudson County, N. J. 54 pp., i pi. — Annals N. Y. Acad. 

 Sci., Vol. II, No.' 2. 



— Origin of the Gravel Deposits Beneath Muir Glacier, Alaska. — 8 pp. — Am. 

 Geol., March, 1892. 

 Salisbury, R. D. 



— Certain Extra-Morainic Drift Phenomena of New Jersey. 10 pp. — Bull. 

 Geol. Soc. Am., Vol. 3, 1892. 



— On the Northward and Eastward Extension of the Pre-pleistocene Gravels of 

 the Mississippi Basin. 4 pp. — Bull. Geol. Soc. Am., Vol 3, 1892. 



— The Drift of the North German Lowland. 26 pp. — Am. Geol., 1892. 



— A Preliminary Paper on Drift or Pleistocene Formations of New Jersey. 74 

 pp., 3 pi., 2 maps. — Annual Report Geol. Survey, New Jersey, for 1891. 

 —(and T. C. Chamberlin.) 



— On the Relationship of the Pleistocene to the Pre-Pleistocene Formation of 

 the Mississippi Basin South of the Limit of Glaciation. 19 pp. Am. Jour. Sci., 

 1891. 

 ScHARDT, Prof. H. 



— Programme detaille de I'excursion dans les Prealpes romandes. 4 pp., 4pl. 

 Sederholm, J. J. 



— Sind die Rapakiwimassive als Lakkolithe oder MassenergUsse zu dueten? 

 10 pp. — Aus den Mitth. des naturwiss. Ver. fiir Neu-vorpommern und Ruegen. 



— Nagra ord om de s. k. rapakivibargarternas tekniska anvandbarhet. 6 pp. 



— Fran alandsrapakivins vistra grans. 12 pp. — Aftryck ur Geol. Foren. i 

 Stockholm Forhandl. Bd. 12, Haft. 6, 1890. 



— Om Istidens Bildninggar I det inre af Finland. 52 pp., 2pl. — Aftryck ur 

 Fennia, 1891. 

 Stevenson, John J., Ph.D. 



— Note on the Coals of Kanawha Valley, West Virginia. 7 pp. Annals of 

 Lyceum Natural History, Vol. X, No. 10, 1873. 



— Notes on the Geology of West Virginia. 32 pp., i map. Read before Am. 

 Phil. Soc, Feb. 5, 1875. 



— The Geological Relations of the Lignitic Groups. 29 pp. — Read before Am, 

 Phil. Soc, June 18, 1875. 



— Report on the Resources of the Region adjoining the Route of the Bristol 

 Coal and Iron Narrow Gauge Ry. 20 pp. 



— On Dr. Peale's Notes on the Age of the Rocky Mountains in Colorado. 2 

 pp. — Am. Jour. Sci., April, 1877. 



On the Surface Geology of Southwest Pennsylvania and adjoining portions of 

 Maryland and West Virginia. 6 pp. — Am. Jour. Sci., April, 1878. 



— The Upper Devonian Rocks of Southwest Pennsylvania. 8 pp. — Am. Jour. 

 Sci., June, 1878. 



— Note on the Fox Hills Group of Colorado. 5 pp. — May, 1879. 



— Preliminary Report of a Special Geological Party Operating in Colorado and 

 New Mexico, Field Seasons of 1878 and 1879, 12 pp. — Part of Appendix 00, 

 Report of Capt. Geo. M. Wheeler, Corps of Engineers, Government Printing 

 Office, 1879. 



