GEOLOGY 



-55179 Lewis, H. C. Papers and notes on the glacial geology 



(42) of Great Britain and Ireland. Lond. 1894. 



55179 Dawson, Sir J. W. Canadian ice age. Montreal 1894. 



5519 AGENTS OF GEOLOGICAL WORK. 



54192 Tyndall, J. Forms of water in clouds and rivers, ice 

 and glaciers. (Internat. scient. ser.) Lond. 1874. 

 55196 Darwin, C. Structure and distribution of coral reefs. 



Lond. 1874. 



552 LITHOLOGY. 



55202 Marker, A. Petrology for students. (Camb. nat. so. 

 manuals.) Camb. 1902. 



55202 Rosenbusch, H. Elemente der Gesteinslehre. 



Stuttg. 1901. 

 55202 Zirkel, F. Lehrbuch der Petrographie. 3 vols. 



Leip. 1893-94. 



54904 Penfield, S. L., and Pirsson, L. V. Contributions to 



: 55204 mineralogy and petrography from the laboratories of 



the Sheffield scientific school of Yale University. 



(Yale bicentennial publ.) N. York 1901. 



5521(42) Teall, J. J. H. British petrography with special re- 



ference to igneous rocks. Lond. 1888. 



55222 Rust, J. The Scottish black rain showers and pumice- 



(41) stone shoals of the years 1862 and 1863. Edin. 1864. 



5524 Rutley, F. Granites and greenstones. Lond. 1894. 



55244 Grubenmann, U. Die Kristallinen Schiefer. Vols. 1- 



Berl. 1904- 



5528 Rosenbusch, H. Mikroskopische Physiographic der 

 massigen Gesteine. Stuttg. 1896. 



55281 Schroeder van der Kolk, J. L. C. Tabellen zur mi- 

 kroskopischen Bestimmung der Mineralien. 



Wiesbaden 1900. 



553 ECONOMIC GEOLOGY. 



^506 S.B. Dewey, F. P. Descriptive catalogue of collections in 

 economic geology and metallurgy. (U. S. Nat. Mus. 

 bulletin, 42.) Wash. 1891. 



'553(73) Tarr, R. S. Economic geology of the United States. 



N. York 1894. 



70 



