From California.
San Francisco, April 19
--News has been received here from British Columbia to the 16th inst. Spring had opened.
The miners, in crowds, were leaving Victoria for the gold fields.
Colonel Carleton, with about three thousand California volunteers and a battery, have left the southeastern border of this State, on a secret expedition — some say for Arizona and New Mexico, and others for Salt Lake.
San Francisco, April 22.--The United States steamer Massachusetts has sailed on a cruise.
The ship Devonshire has been chartered to carry a load of spars from Puget Sound to Spain.
The Indians are again showing symptoms of hostility on the eastern slope of the Nevada.
A party of whites were killed by them on the 13th, on Owena river, in Esmeralda district of Salt Lake.
It is reported that they have destroyed several mail stations, stolen much property, and killed several employees of the Overland Mail Company.
The mails are temporarily stopped, and the telegraph is liable to be destroyed at any moment.
A regiment of California volunteers, now in this State, should be ordered to the Plain's at once.
Salt Lake City. April 22--The Indians have stolen the stock from nearly every station between Laramie and Bridger, and killed several men, burned one station, and threaten the entire destruction of the Overland Mail Company's property.
The company has in consequence concentrated all their employees and property at a few stations for protection, and have abandoned all attempts to carry the mail for the present. 