90 A Bihliography of the Geology, etc., of California. 



Fossil plants of recent formations ; by Leo Lesquereux. Am. 

 Jour. Sci., 2d ser., vol. 27, 1859, pp. 359-363. 



Notes on the New Almaden quicksilver mines; by B. Silli- 

 man, Jr. Am. Jour. Sci., 2d ser., vol. 38, 1864, pp. 190- 

 194 



Progress of the Geological Survey of California; by J. D. 

 Whitney. Am. Jour. Sci., 2d ser., vol. 38, 1864, pp. 256- 

 264. 



Notice of the explorations of the Geological Survey of Cali- 

 fornia, in the Sierra Nevada, during the summer of 1864 ; 

 by J. D. Whitney. Am. Jour. Sci., 2d ser., vol. 39, 1865, 

 pp. 10-13. 



Petroleum in California ; by B. Silliman, Jr. Am. Jour. Sci., 

 2d ser., vol. 39, 1865, p. 101, also p. 341. 



Santa Barbara near San Buenaventura in southern California. 



On the deep placers of the South and ^liddle Yuba, Nevada 

 County, California, in connection with the Middle Yuba 

 and Eureka Lake Canal Companies; by B. Silliman, Jr. 

 Am. Jour. Sci., 2d ser., vol. 40, 1865, pp. 1-19. 



On the borax in California; by J. D. Whitney. Am. Jour. 

 Sci., 2d ser., vol. 41, 1866, pp. 255-258. 



On the age of the gold-bearing rocks of the Pacific Coast ; by 

 W. H. Brewer. Am. Jour. Sci., 2d ser., vol. 42, 1866, pp. 

 114-118. 



Alleged discovery of an ancient skull in California ; by W. H. 

 Brewer. Am. Jour. Sci., 2d ser., vol. 42, 1866, p. 424. 



On the naphtha and illuminating oil from heavy California 

 tar (maltha) ; by B. Silliman, Jr. Am. Jour. Sci., 2d 

 ser., vol. 43, 1867, pp. 242-246. 



Analyses of petroleum, Santa Barbara County. 



On the subdivisions of the Cretaceous rocks of California ; by 

 W. M. Gabb. Am. Jour. Sci., 2d ser., vol. 44, 1867, pp. 

 226-229. 



