RECENT P UBLICA TIONS 367 



-Rathbun, Richard. Report upon the Condition and Progress of the 

 U. S. National Museum during the Year ending June 30, 1899. [From 

 the report of the U. S. National Museum for 1899, pp. 1-152.] Wash- 

 ington, 1901. 



-Reed, F. R. Cowper. The Geological History of the Rivers of East York- 

 shire. (Being the Sedgwick Prize Essay for the year 1900.) C. J. Clay 

 & Sons, Cambridge University Press Warehouse, 1901. 



-Ries, Heinrich. Clays and Clay Products at the Paris Exposition of 



1900. [Extract from the Twenty-first Annual Report of the U. S. 

 Geological Survey, 1 899-1 900 ; Part VI (continued) Mineral Resources 

 of the United States, Calendar Year 1899: David T. Day, Chief of 

 Division of Mining and Mineral Resources.] Washington: 1901. 



-Shattuck, George Burbank. The Pleistocene Problem of the North 

 Atlantic Coastal Plain. [From the Johns Hopkins University Circulars, 

 No. 152, May 1901.] 



-Smithsonian Institution, Annual Report of the Board of Regents, showing 

 the Operations, Expenditures, and Condition of the Institution for the 

 Year ending June 30, 1899. Washington, 1901. 



-South Australia, Record of the Mines of. Report on Geological Explora- 

 tion of the Tarcoola District, with Plan. H. Y. L. Brown, Government 

 Geologist. Adelaide, 1901. 



-The State of Progress of our Knowledge of the Tides. By L. P. Shidy. 

 Bulletin of the Philosophical Society of Washington, Vol. XIV, pp. 

 1 17-127. [Being a portion of the Report of the Committee on Physical 

 Science for 1900.] Washington, March 1901. 



-The Tendency of Methods for the Measurement of the Force of Gravity 

 on the Ocean. By G. W. Littlehales. Bulletin of the Philosophical 

 Society of Washington, Vol. XIV, pp. 135-137. [A part of the Report 

 of the Committee on Physical Science for 1900.] Washington, March 



1 90 1. 



-United States Department of Agriculture : Division of Soils. List of Soil 

 Types established by the Division of Soils in 1899 and 1900, with brief 

 description. 



-United States Department of Agriculture, Yearbook of the, 1900. Wash- 

 ington, 1901. 



-Van Den Broeck, Ernest. Le Dossier Hydrologique du Regime 

 Aquifere en Terrains Calcaires et le Role de la Geologie Dans Les 

 Recherches et Etudes des Travaux d'Eaux Alimentaires. Brussels, 

 April 1901 . 



-Vogt, J. H. L. Sondre Helgeland. No. 29, Norges Geologiske Under- 

 sogelse. Kristiania, 1900. 



