DARTON.] 



NORTH AMERICAN (lEOLOGY. 



U7 



California — Continued. 



1867. Gabl) on Cretaceous of Cajifornja, 



Conrad. 

 Drift of Pacific Coast, Whitney. 

 Grass Valley gold district, Silli- 



man. 

 gilver and gold in foothills of 



Sierra Navada, Silliman. 



1868. MittheilungenvonderWest-Kiiste 



Nord-Anierikas, Richthofen. 



Salt Spring Valley region, Cala- 

 veras County, Goodyear, W.A. 



Notes on Hetch Hetchy Valley, 

 Hofeman, C. F. 



The Yosemite hook, Whitney. 



Mastodon in placers, Silliman. 



Principles of the natural system 

 of volcanic rocks, Richthofen. 



Age of gold rocks. Brewer. 



Absence of northern drift in the 

 West, Whitney, J. D. 



Human stulliu Calaveras County, 

 Whitney, J. D. 



Gold with cinnabar in secondary 

 or Tertiary rocks, Blake, W. P. 



Carboniferous age of gold rocks, 

 Blake, W. P. 



Gradual elevation about San Fran- 

 cisco, Blake, J. 



Miscellaneous notices, Blake, 

 W. P. 



1869. Chemical geology of gold fields, 



Phillips. 

 Cretaceous and Tertiary fossils, 



Gabb. 

 Desiccation of surface, Blake, 



W. P. 

 Divisions of the Cretaceous, 



Whitney, J. D. 

 Alter der goldfiihrenden Gange, 



etc, Richthofen. 



1870. Fossils from Pacific States, Gabb. 

 Goldlagerstiitten Californiens, 



Burkart. 

 Mixture of Cretaceous and Eocene 



fossils, Conrad. 

 Tooth from Table Mountain, 



Blake, W. P. 

 Plasticity of pebbles and rooks, 



Blake.' 

 Forest in Tertiary of California, 



Marsh, O. C. 

 Theory of great features of the 



earth's surface, Le Conte. 

 Ancient lakes of westernAmerica, 



Newberry. 



California — Continued. 

 1870. Glapiers de roue.st des £tas-Unis, 

 Grad. 

 Glaciers on Pacific Slope, King, C. 

 Glaciers in California, Muir. 

 Infusorial deposits, Edwards. 

 Formation of deposits pf diatoms, 

 Edwards. 



1872. Mining districts, Hoffman, W. J. 

 Notes on mining districts, Lyle. 



1873. Coast surface geology. Bowman. 

 Distribution of mining districts, 



Raymond. 

 Bowlders north of Yosemite, 



Tenney. 

 Region of the Yosemite Valley, 



Clarke, G. 

 Geologic map of United States, 



Hitchcock,. C. H. ; Hitchcock 



and Blake. 

 Silver mines of Pioche, Durand. 

 Kla^math River mines. Chase. 

 Glaciation of the Yosemite Val- 

 ley, Kneeland. 

 Formation of features of earth's 



crust, Le Conte. 

 Ancient glaciers of the Sierras, 



Le Conte. 



1874. Blue gravel of California, Gold- 



smith, E. 

 On belts of fissures, Eaymond. 

 Great lava flood of the West and 



structure of Cascade Moun- 

 tains, Le Coifte. 

 Serpentine of CoaiSt aud Cascade 



ranges, Newberry. 

 Auriferous gravels of G.old Bluffs, 



Chase. 

 Mountain sculpture in Sierra fie- 



va^S') Carr. 

 Glacial phenomena in Nicaragua, 



Dana, J. D. 



1875. Recen t volcano in PlumasConnty, 



Harkness. 



Portions of Nevada, Utah, Cali- 

 fornia, aijd Arizona, Gilbert. 



High Sierra south of Mc"iit 

 Whitney, Goodyear, W. A. 



Ancient glaciers of the Sierra Ne- 

 vada, Le Conte. 



Artesian wells of Los Angeles 

 County, Chase. 



Studies on formation of moun- 

 tains in the Sierra Nevada, 

 Muir. 



