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



Laur, p. Terrains auriferes de la Californie. 20 pp. In 

 Rev. d. Deux Mondes, Vol. 5, 1863, p. 453. 



Le Conte, Joseph. Elements of geology; a text-book for college 

 and general readers. 2d edition. New York, 1878. 

 588 pp. 



This work is of special interest to the student of California geology, 

 containing many references to the geology of the State. We note an 

 article on auriferous veins, given on p. 237 ; also, Quaternary period 

 on the western side of the continent, p. 526. 



Levasseur, R. La question d'or, les mines de Californie et 

 d'Australie, les anciennes mines d'or et d'argent. Paris, 

 1858. 



Levy, Daniel. Les Frangais en Californie. San Francisco, 

 1884. 366 pp. 



The second part of this book treats rather extensively of the placer 

 mines, where they were located, how worked, etc. pp. 80 et seq. 



Lock, Alfred G. Gold; its occurrence and extraction, etc. 

 London, 1882. 1229 pp. 

 The description of the California gold fields is given on pp. 129-154. 



Macfarlane, James. The coal regions of America; their 

 topography, geology, and development; with a colored 

 geological map of Pennsylvania, a railroad map of all 

 the coal regions, and numerous other maps and illustra- 

 tions. Third edition, with a supplement for the year 

 1875. New York, 1877. 697 pp., with maps, etc. 



Chapter XXX treats of the Pacific Coast region. A description of 

 the Mount Diablo coal field is given on pp. 563-567, with analyses of 

 the coal. 



Mabcou, Jules. American geological classification and nomen- 

 clature. Cambridge, 1888. 75 pp. 



The author remarks on p. 44 : " In California, the Cretaceous is lim- 

 ited to the northwest corner of the State, and occupies a small area 

 west of Mount Shasta. The Geological Survey of California, directed 

 by Mr. J. D. Whitney, has called Cretaceous all the Eocene of Fort 

 Tejon and Chico Creek." 



Geology of North America; with two reports on the prairies 



of Arkansas and Texas, the Rocky Mountains of New 

 Mexico, and the Sierra Nevada of California, originally 



