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



Notes on the occurrence of gold with cinnabar in the Sec- 

 ondary or Tertiary rocks (California) ; by W. P. Blake. 

 Proc. Boston Soc. Nat His., vol. 11, 1868, pp. 30-31. 



Explorations in the region of the Yosemite Valley; by Galen 

 Clarke. Proc. Boston Soc. Nat. His., vol. 15, 1873, pp. 

 259-261. 



On the glaciers of the Yosemite Valley ; by Samuel Kneeland. 

 Proc. Boston Soc. Nat. His., vol. 15, 1873, pp. 36-47. 



On the asphalt bed near Los Angeles, California; by William 

 Denton. Proc. Boston Soc. Nat. His., vol. 18, 1877, pp. 

 185-186. 



On the geology of Eozoic rocks of North America; by T. 

 Sterry Hunt. Proc. Boston Soc. Nat. His., vol. 19, 1878, 

 pp. 275-279. 



Remarks on the evidence of compression in rocks of Boston 

 Basin and in elongation of pebbles in general; by M. E. 

 Wadsworth. Proc. Boston Soc. Nat. His., vol. 20, 1881, 

 pp. 313-318. 



CALIFORNIA ACADEMY OF SCIENCES. 

 Published in San Francisco, Cal. 



Memoirs : Vol. 1, 1868— Vol. 5, 1896. 

 Bulletins : Vol. 1, 1884— Vol. 2, 1886-87. 

 Occasional Papers : Nos. 1-7, 1890-1900. 

 Proceedings, 1st series: Vol. 1, 1854 — Vol. 7, 187G. 

 Proceedings, 2d series : A^ol. 1, 1888— Vol. 6, 1896. 

 Proceedings, 3d series : Vol. 1, 1897. 



The natural system of volcanic rocks; by F. Baron Richt- 

 hofen. Memoirs Cal. Acad. Sci., vol. 1, part 2. San 

 Francisco, 1868. 95 pp. 



The following is the classification of volcanic rocks : 

 Order First : Rhyolite — 



Family 1. Nevadite, or granitic rhyolite. 



2. Liparite, or porphyritic rhyolite. 



3. Rhyolite proper, or lithoidic and hyaline rhyolite. 



