68 A Bibliography of the Geology, etc., of California. 

 Monographs, vol. XIII. {Continued.) 



Chapter X. Descriptive geology of the New Almaden district. 

 XI. Descriptive geology of the Steamboat Springs district. 

 XII. Descriptive geology of the Oathill, Great Western, and 

 Eastern districts. 

 XIII. Other deposits of the Pacific Goast. 

 XIV. Discussion of the ore deposits. 

 XV. On the solution and precipitation of cinnabar and other 

 ores. 

 XVI. The origin of the ore. 

 XVII. Summary of results. 



The report contains geological maps of the Oathill, Great Western, 

 and Eastern districts ; geological map of the Mayacmas range, with 

 figures of foreign and American species of the genus Aucella. 



BULLETINS. 



Mapoteca Geologica Americana. A catalogue of geological 

 maps of North America and South America, 1752-1881, in 

 geographic and chronological order ; by Jules Marcou and 

 John B. Marcou. Bulletin No. 7. 1884. 184 pp. 



On the Quaternary and Recent Mollusca of the Great Basin, 

 with descriptions of new forms ; by R. Ellsworth Call. In- 

 troduced by a sketch of the Quaternary lakes of the Great 

 Basin, by G. K. Gilbert. Bulletin No. 11. 1884. 66 pp., 

 6 pi. 



Boundaries of the United States and of the sev6ral States and 

 Territories, with a historical sketch of the territorial 

 changes; by Henry Gannett. Bulletin No. 13. 1885. 

 135 pp. 



On the Mesozoic and Cenozoic palaeontology of California ; by 

 C. A. White. Bulletin No. 15. 1885. 33 pp. 



This report contains general remarks on the geology of the coast ; 

 the Shasta group ; relations of the fauna of the auriferous slates to 

 that of the Shasta group ; the geological age of the Aucclla-hearing 

 strata of California ; remarks on certain Californian fossils which 

 have been identified with Eastern species ; etc., etc. The classifica- 

 tion of the California Cretaceous is as follows : 



Lower Cretaceous — Shasta Group : Knoxville beds, Shasta beds. 



Upper Cretaceous — Wallala beds, Chico. 



