Geology and Mineralogy. 69 



and on metal coloring, six chapters on qualitative and quantita- 

 tive analysis (limited to the study of the purity of the metals and 

 solutions employed, and the methods of purifying them), a final 

 chapter on the recovery of metals, and an appendix of twenty 

 tables which should prove useful to a practical man of limited 

 library facilities. d. a. k. 



II. Geology and Mineralogy. 



1. United States Geological Survey ; George Otis Smith, 

 Director. — Recent publications of the IJ. S. Geological Survey are 

 noted in the following list (continued from vol. xxxi, p. 235) : 



Topographic Atlas. — Twenty-eight sheets. 



Folio No. 175. Birmingham Folio, Alabama ; by Charles 

 Butts. Pp. 24 ; 1 chart, 4 maps, 1 page illustrations (I-XII). 



No. 176. Sewickley Folio, Pennsylvania; by M. J. Munn. 

 Pp. 16 ; one chart, 4 colored maps. 



Bulletins. — No. 431. Coal and Lignite ; by Charles Butts, 

 M. R. Campbell, E. G. Woodruff, C. T. Lupton, J. S. Diller, 

 M. A. Pishel, H. E. Gregory, and'A. C. Veatch. Pp. 163 ; 12 

 "plates, 4 figures. Contributions to Economic Geology, 1909. 

 Part II. 



No. 438. Geology and Mineral Resources of the St. Louis 

 Quadrangle. Missouri-Illinois ; by N. M. Fenneman. Pp. 73 ; 

 6 plates, one figure. 



No. 439. The Fauna of the Moorefield Shale of Arkansas; 

 by George H. Girty. Pp. 148 ; 15 plates. 



No. 445. Geology of the Pegmatites and associated Rocks of 

 Maine, including Feldspar, Quartz, Mica, and Gem Deposits ; by 

 Edson S. Bastin. Pp. 152 ; 19 plates, 8 figures. 



No. 446. Geology of the Berners Bay Region, Alaska ; by 

 Adolph Knopf. Pp. 58 ; 2 plates, 4 figures. 



No. 447. Mineral Resources of Johnstown, Pennsylvania, and 

 Vicinity ; by W. C. Phalen and Lawrence Martin. Surveyed 

 in Cooperation with the Topographic and Geologic Survey Com- 

 mission of Pennsylvania. Pp. 142; 7 plates, 22 figures. 



Nos. 453, 459, 460, 461, 462. Results of Spirit Leveling done 

 in cooperation with the States ; R. B. Marshall, Chief Geogra- 

 pher. No. 453, Minnesota, pp. 39, 1 plate. No. 459, Missouri; 

 pp. 48, 1 plate. No. 460, Iowa, pp. 32, T plate. No. 461, Michi- 

 gan and Wisconsin, pp. 64, 1 plate. No. 462, Oregon, pp. 82, 1 

 plate. 



No. 465. The State Geological Surveys of the United States ; 

 compiled under the direction of C. W. Hayes. Pp. 177. 



No. 470-E, Contributions to Economic Geology, 1910. Rare 

 Metals ; by F. L. Hess. Pp. 12; 1 figure. 470-1, Mineral Paints ; 

 by B. L. Miller. Pp. 15. 470-J, Sulphur and Pyrite ; by R. 

 W. Richards and J. H. Bridges. Pp. 8 ; 1 figure. 



