644 RECENT P UBLICA TIONS 



— Shimek, B. I. Pyramidula Shimekii (Pils.) Shim. II. The Iowa Pteri- 

 dophyta. [Excerpt from the Bulletin of the Laboratories of Natural 

 History, State University of Iowa. Vol. V, pp. 139-170.] April, 1901. 



The Loess of Iowa City .and Vicinity. Iowa Pteridophyta (Con.). 

 Addenda to the Flora of Lyon County. [Excerpt from the Bulletin of 

 the Laboratories of Natural History, State University of Iowa. Vol. 

 V, No. 2, pp. 195-216.] May, 1901. 



— Stokes, H. N. On Pyrite and Marcasite. [Bulletin of the United States 

 Geological Survey, No. 186: Series E, Chemistry and Physics, 35.] 

 Washington, 1901. 



— Turner, H. W. The Esmeralda Formation, A Fresh-Water Lake 

 Deposit in Nevada. With a Description of the Fossil Plants, by F. H. 

 Knowlton, and of a Fossil Fish, by F. A. Lucas. [Extract from the 

 Twenty-first Annual Report of the United States Geological Survey, 

 1 899-1 900, Part II, General Geology, Economic Geology, Alaska.] 

 Washington, 1900. 



— United States Department of Agriculture, Division of Soils, Milton Whit- 

 ney, Chief. Circular No. 8 :Reclamation of Salt Marsh Lands, Thomas 

 H. Means, Assistant. 



Bulletin No. 17: Soil Solutions, Their Nature and Functions, and the 

 Classification of Alkali Lands ; by Frank K. Cameron, Soil Chemist, 

 Division of Soils (Cooperating with the Division of Chemistry). 

 Washington, 1901. 



Bulletin No. 18: Solution Studies of Salts Occurring in Alkali Soils; 

 by Frank K. Cameron, Lyman J. Briggs, and Atherton Seidell. 

 Washington, 1901. 



— Washington Academy of Sciences, Proceedings of the. 



Papers from the Hopkins Stanford Galapagos Expedition, 1898-1899. 

 II. Entomological Results (2) : Diptera ; by D. W. Coquillet, Custo- 

 dian of Diptera, United States National Museum. Vol. Ill, pp. 371- 

 379, November 7, 1901. 



Papers from the Hopkins Stanford Galapagos Expedition, 1 898-1 899. 

 HI. Entomological Results (3): Odonata. [Text Figures 29-34. 

 By Rolla P. Currie, Aid, Division of Insects, United States National 

 Museum. Vol. HI, pp. 381-389, November 7, 1901. 



Papers from the Hopkins Stanford Galapagos Expedition, 1 898-1 899. 

 IV. Entomological results (4): Orthoptera. [Text Figures 35-44.] 

 By Jerome McNeill. Vol. HI, pp. 487-506, November 7, 1901. 



Synonomy of the Fish Skeleton. [Plates LXIH-LXV. Text Figures 



45-46.] By Edwin Chapin Starks, Leland Stanford Junior University. 



Vol. HI, pp. 507-539, November 7, 1901. 

 Weed, W. H., and L. V. Pirsson. Geology of the Shonkin Sag and 



Palisade Butte Laccoliths in the Highwood Mountains of Montana. 



[From the American Journal of Science, Vol. XII, July, 1901.J 



