From _California_ we have full intelligence up to July 14. It reaches us by the newly opened route across the Isthmus through Lake Nicaragua and the San Juan River, having been only 29 days in coming from San Francisco to New York. It is supposed that the time may be reduced to about 23 days, fully a week less than is required by the Panama route. The intelligence is of an extremely interesting character. The reports from the mining districts maintain the same favorable character; but acts of violence and plunder, by both whites and Indians have become most alarmingly frequent. Another destructive conflagration--the sixth within two years--occurred at San Francisco on the 22d of June. Thirteen blocks of buildings were destroyed, a number of lives lost, and injury done to property to a very large amount. The accounts transmitted, which are doubtless exaggerated, state the loss to be two or three millions of dollars. This, like the previous conflagration, is stated, apparently upon good grounds, to have been the work of an incendiary. Hostilities between the whites and Indians are still continued. Terrence Bellew McManus, one of the Irish exiles, who had made his escape from New South Wales, was welcomed at San Francisco by a public dinner, which was attended by many of the leading citizens; the Mayor of the city acted as chairman. But the most interesting feature in the intelligence from California is the prompt and vigorous measures taken to repress and punish outrages against person and property, by means more summary and sure than those furnished by the ordinary administration of law. In the early part of June it became demonstrably evident that organized bands of malefactors, composed of convicts from the English penal settlements, and desperadoes from every quarter of the globe, were leagued together for robbery and plunder; who did not hesitate to commit arson and murder in the prosecution of their designs. The highest crimes became matters of every-day occurrence, not merely in remote districts, but in the towns and cities; in San Francisco especially. Under these circumstances, a large number of the most valuable citizens organized themselves into a Committee of Vigilance, for the purpose of securing the punishment of criminals, at all hazards. They opened a room, at which a certain number of the members, detailed for the purpose, were to be present day and night. When any offense came to their notice which, in their opinion, called for the interference of the Committee, all the members were to be summoned by the ringing of a bell. The members all pledged themselves to carry into execution the sentence of the majority of the body so convened. The Committee soon had occasion to inaugurate their administration by a public execution, so deliberately performed, and so unflinchingly avowed, as to leave no doubt of their full determination to carry their designs into effect. On the 10th of June an