46 KESOUECES OF CALIFORNIA. 



and have no ambition to encounter one upon the central des- 

 ert. Luckily, they are not very common in the severest aspect ; 

 in summer, quite rare." 



Note. — The chief writers upon the Meteorology of CaUfornia have been, 

 Dr. Henry Gibbons, of Alameda, and Dr. T. M. Logan, of Sacramento, whose 

 writings have been published in the books of the Smithsonian Institute, and 

 in the newspapers of San Francisco and Sacramento. 



