320 /Scientific Intelligence. 



II. Geology. 



1. United States Geological Survey. — The following publica- 

 tions have recently been issued. 



Monograph XL. — Adephagous and Clavicorn Coleoptera from 

 the Tertiary Deposits at Florissant, Colorado, with Descriptions 

 of a few other Forms and a Systematic List of the non-Rhyn- 

 chophorous Tertiary Coleoptera of North America ; by Samuel 

 Hubbard Scudder. 



Bulletins. No. 177. — Catalogue and Index of Publications of 

 the United States Geol. Survey, 1880-1901 ; by Philip Creve- 

 ling Warm an. Pp. 858. 



No. 178. — The El Paso Tin Deposits; by Walter Harvey 

 Weed. Pp. 15. — Three veins have been discovered ten miles 

 north of El Paso, Texas, containing cassiterite with wolframite 

 in a gangue of quartz. The ores are the result of deep-seated 

 agencies and " it is believed that further exploration will develop 

 well-defined tin veins." 



No. 180. — The occurrence and distribution of Corundum in the 

 United States ; by Joseph Hyde Pratt. Pp. 93. 



No. 181. — Results of Primary Triangulation and Primary 

 Traverse, Fiscal Year 1900-1901 ; by H. M. Wilson, J. H. 

 Renshawe, E. M. Douglas and R. U. Goode. Pp. 228. 



No. 183. — A Gazetteer of Porto Rico ; by Henry Gannett. 

 Pp. 51. This bulletin contains a summary of the recent Porto 

 Rican census and the official spelling of geographic names per- 

 taining to the island. 



No. 184. — Oil and Gas Fields of the Western Interior and 

 Northern Texas Coal Measures and of the Upper Cretaceous and 

 Tertiary of the Western Gulf Coast; by George I. Adams. Pp. 

 62, with 10 plates and 4 cuts. 



No. 185.— Results of Spirit Leveling, Fiscal Year 1900-'01 ; 

 by H. M. Wilson, J. H. Renshawe, E. M. Douglas and R. U. 

 Goode. Pp. 207. 



No. 186. — On Pyrite and Marcasite ; by H. N. Stokes. Pp. 

 48. The results of this investigation are given on pp. 414-420 

 of vol. xii of this Journal, Dec. 1901. 



* No. 187. — Geographic Dictionary of Alaska; by Marcus 

 Baker. Pp. 11-446. This bulletin is the result of some ten 

 years work on the part of the Board on Geographic Names. A 

 descriptive list of authorities is given and in the main body of 

 the work the origin, history, modes of spelling and application of 

 each name and in the case of Indian, Eskimo and foreign names 

 their meaning also is given. The approved forms of spelling are 

 shown in bold-faced type. 



The Geologic Branch of the Survey has been reorganized by 

 the appointment of C. Willard Hayes as Geologist in charge of 

 Geology. This arrangement will relieve the Director of execu- 

 tive details and will make it possible for Bailey Willis, who since 



