A meeting of the Whig members of the New York Legislature was held at the capital on the 7th, at which resolutions were passed expressing a preference for General Scott as Whig candidate for the Presidency, by a vote of 50 yeas and 1 nay. ---- The birthday of Henry Clay was celebrated by a public dinner at New York. Senator Jones of Tennessee was present, and made the principal speech. ---- The Whigs of North Carolina met in State Convention on the 19th of April, and adopted resolutions expressing a decided preference for Mr. Fillmore as candidate for the Presidency, but avowing their willingness to support any nominee of the National Convention who was "beyond doubt in favor of sustaining the Compromise measures." They also opposed the doctrine of intervention, and disapproved the action of Congress by which so large a portion of the public lands is given to new States, or to railroad companies. Very heavy floods have been experienced in various parts of the country. At Pittsburgh, on the 19th of April, the water in the Ohio began to rise, and on the 21st it had risen thirty feet--submerging a large portion of the lower parts of the city and adjoining villages. Seven lives were reported to have been lost, and property to the amount of very nearly half a million of dollars had been destroyed. Great damage was also done to the Chesapeake and Ohio canal. In Western Virginia and Maryland, in parts of Ohio, and in Central Massachusetts, there have been very extensive and destructive freshets. ---- The month has been marked by numerous and disastrous steam-boat explosions and casualties at sea. The steamer _Saluda_, bound for Council Bluffs, burst her boilers at Lexington, Mo., on the 9th of April, and nearly one hundred lives were lost. All her officers, except the first clerk and mate, were killed; many of her passengers were Mormon emigrants, on their way to the Great Salt Lake.--The _Glencoe_ burst two of her boilers on the 2d, while attempting to effect a landing at St. Louis, and being driven into the stream by the force of the explosion, immediately took fire. The number of persons killed and missing was sixty-five, and thirty-five more were severely wounded. She had just arrived from New Orleans, and had about a hundred and fifty passengers on board.--On the 3d, the steamer _Redstone_, from Madison, Indiana, for Cincinnati, burst her boilers while backing out from a landing near Carrollton. Ten or twelve persons were killed.--The steamer _Independence_, from New Orleans, was wrecked on the bar of Matagorda Bay on the 26th of March, with a loss of seven lives.--The steamer _Prairie State_, at Pekin, Ill., on the 25th of March, collapsed her flues while leaving the wharf, scalding and wounding some twenty persons, mostly of the crew or deck passengers.--An English bark, the _Josepha_, from Bristol, went ashore on the 19th of April, off Provincetown, Mass., thirteen of her crew, with two persons who