AN ADDRESS 



ON THE 



PROPRIETY OF CONTINUING THE 



0l0gicaISnrkg rf (K afi&rraa 



DELIVERED BEFORE THE LEGISLATURE 



AT SACRAMENTO, THURSDAY EVENING, 



January 30th, 1868: 



STo fejfjt'cf) are apper.&fti : 



TWO LETTERS TO THE GOVERNOR RELATIVE TO THE PROGRESS OF THE GEOLOGICAL SURVEY 



COMMUNICATED TO THE LEGISLATURES OF 1865-6 AND 1867-8 J ALSO, THE REPORT 



OF THE COMMISSIONERS TO MANAGE THE YOSEMITE VALLEY AND THE 



MARIPOSA BIG TREE GROVE, FOR THE YEARS 1867-8: 



BY J. D. WHITNEY, 



ST/ 



OF THE 



UNIVERST 



SAN FRANCISCO: 

 TOWNE AND BACON. 



1868. 



