Publications of Scientific Societies. 45 



PART III. 



Publications of Scientific Societies, and 

 Periodicals. 



AMERICAN ASSOCIATION FOR THE ADVANCE- 

 MENT OF SCIENCE. 



Published at Salem, Massachusetts. 



A'ol. 1,1849— Vol. 43, 1896. 



On the characters and probable geological age of the sandstone 

 formation of San Francisco; by W. P. Blake. Proc. 

 Amer. Assoc. Adv. Sci., 9th Meeting, August, 1855, pp. 

 220-222. 



On the grooving and polishing of hard rocks and minerals by 

 dry sand; by W. P. Blake. Proc. Amer. Assoc. Adv. 

 Sci., 9th Meeting, August, 1855, pp. 216-220. 



Remarks upon the geology of California from observations in 

 connection with the U. S. survey and explorations for a 

 railroad route to the Pacific; by W. P. Blake. Proc. 

 Amer. Assoc. Adv. Sci., 9th Meeting, August, 1855, pp. 

 222-225. 



Studies in the formation of mountains in the Sierra Nevada, 

 California; by John Muir. Proc. Amer. Assoc. Adv. Sci., 

 33d Meeting, at Hartford, 1874, pp. 49-64. 



Address by Prof. Joseph LeConte, the retiring president of the 

 Association, Theories of the origin of mountain ranges. 

 Proc. Amer. Assoc. Adv. Sci.,42d Meeting, August, 1893. 



Supplementary notes on the metamorphic series of the Shasta 

 region of California; by J. P. Smith. Proc. Amer. Assoc. 

 Adv. Sci., 44th Meeting, August, 1896, pp. 137-138. 



