742 RECENT PUBLICATIONS 



— United States Department of Agriculture. Report No. 70. Exhaustion 

 and Abandonment of Soils. Testimony of Milton Whitney, Chief of 

 Division of Soils, before the Industrial Commission. Washington, 1901. 



— United States Geological Survey. Twenty-first Annual Report, 1899-igoo. 

 Part I, Director's Report, including Triangulation, Primary Traverse, 

 and Spirit Leveling. Part VI, Mineral Resources of the United States, 

 1899 ; Metallic Products, Coal, and Coke. Part VI (continued). Mineral 

 Resources of the United States, 1899; Non-metallic Products, except 

 Coal and Coke. 



— Ward, Lester F. Geology of the Little Colorado Valley. [From the 

 American Journal of Science, Vol. XII, December, 1901.] 



— Warman, Philip Creveling. Catalogue and Index of the Publications 

 of the United States Geological Survey, 1880 to 1901. [Bulletin No. 

 177, U. S. Geological Survey.] Washington, 1901. 



— Washington Academy of Sciences, Proceedings of the. 



Papers from the Harriman Alaska Expedition, XXV. The Algae. 

 [Plates XLIII-LXIL] By De Alton Saunders. Vol. Ill, pp. 391- 

 486, November 15, 1901. 

 Papers from the Harriman Alaska Expedition, XXVI. Harrimanella, a 

 New Genus of Heathers. [Text Figures 62-66.] By Frederick V. 

 Coville. Vol. HI, pp. 569-576, December 6, 1901. 

 Papers from the Hopkins-Stanford Galapagos Expedition, 1898-9. 



V. Entmological Results (5): Thysanura and Termitidse. [Text 

 Figures 47-57.] By Nathan Banks, U. S. National Museum. Vol. 

 Ill, pp. 541-546, November 29, 1901. 



Papers from the Hopkins-Stanford Galapagos Expedition, 1898-9, 



VI. The Isopods. By Harriet Richardson, Collaborator, Smithsonian 

 Institution. Vol. HI, pp. 565-568, November 29, 1901. 



Descriptions of 23 New Harvest Mice (Genus Reithrodontomys). By G. 



Hart Merriam. Vol. HI, pp. 547-558, November 29, 1901. 

 Seven New Mammals from Mexico, Including a New Genus of Rodents. 



By G. Hart Merriam. Vol. HI, pp. 559-563, November 29, 1901. 

 Preliminary Revision of the Pumas (Felis Concolor Group). By C. 



Hart Merriam. Vol. Ill, pp. 577-600, December 11, 1901. 

 — Woodworth, J. B. The History and Conditions of Mining in the Rich- 

 mond Coal-Basin, Virginia. [Transactions of the American Institute 0/ 

 Mining Engineers (Richmond Meeting, February 1901).] 

 — Wright, Fred. Eugene. Die Foyaitisch-Theralthischen Eruptiveges- 

 teine der Insel Cabo Frio, Rio de Janeiro, Brasilien. [Tschermak's 

 Mineralog. und petrographische Mittheilungen, Bd. XX, Heft 3.] Alfred 

 Holder, Rothenthurmstrasse 15, Wien. 



