From JAMAICA we hear of the death of Gen. Herard, ex-President of Hayti, who has been residing in Jamaica for several years. The season has been favorable for the crops, and the harvests of fruit were very abundant. There had been several very severe thunderstorms, and several lives had been lost from lightning. Efforts are made to promote the culture of cotton upon the island. From NEW MEXICO Major R.H. WEIGHTMAN arrived at St. Louis, Aug. 22d, having been elected U.S. Senator by the state Legislature. He was on his way to Washington where he has since arrived. His colleague was Hon. F.A. CUNNINGHAM. In the popular canvass the friends of a state government carried every county except one, over those who desired a territorial organization. A conflict of authority had occurred between the newly elected state officers and the Civil and Military Governor, the latter refusing to transfer the authority to the former until New Mexico should be admitted as a state. A voluminous correspondence upon the subject between the two governors has been published.—The Indians at the latest dates were still committing the grossest outrages in all parts of the country. The crops were fine and promising. In ENGLAND the month has been signalized by no event of special interest or importance. The incident which has attracted most attention grew out of the visit to England of General HAYNAU, the commander of the Austrian armies during the war with Hungary, who acquired for himself a lasting and infamous notoriety by the horrible cruelty which characterized his campaigns and his treatment of prisoners who fell into his hands. His proclamations, threatening butchery and extermination to every village any of whose inhabitants should furnish aid or countenance to the Hungarians, and the inhuman barbarity with which they were put in execution, must be fresh in the public memory, as it certainly was in that of the people of London. It seems that, during his stay in London, General HAYNAU visited the great brewery establishment of Messrs. Barclay & Co. On presenting himself, accompanied by two friends, at the door, they were required, as was customary, to register their names. On looking at the books, the clerks discovered the name and rank of their visitor, and his presence and identity were soon known throughout the establishment. The workmen began to shout after him, and finally to follow and assail him with denunciations and dirt; and before he had crossed the yard he found himself completely beset by a mob of coal-heavers, draymen, brewers’ men, and others, who shouted “Down with the Austrian butcher!” and hustled him about with a good deal of violence and considerable injury to his person. Fully realizing the peril of his position, he ran from the mob, and took refuge in a hotel, concealing himself in a secluded room from his pursuers, who ransacked the whole house, until the arrival of a strong police force put an end to the mob and the General’s peril.