POLITICAL AND GENERAL NEWS.--Rumored descent upon Cuba; President's Proclamation; arrests, 127. Legislature of New York; the Canal Enlargement bill; close of the session; addresses to the political parties, 127. Quick passages across the Atlantic, 128, 275, 564. Emigrants from abroad, 128, 275, 561. May Anniversaries in New York, 128. Opening of the Erie Railroad, 128. Mr. Webster and Faneuil Hall, 129. Storm in New England, 129. Secret Ballot in Massachusetts, 129. Message of the Governor of Connecticut, 129. Southern Rights Convention at Charleston; Messrs. Cheves and Rhett, 129. Constitutional Convention in Virginia, 129, 277, 414, 558. Miscellaneous Intelligence from the Northwest, 129. Texas, 130, 277. New Mexico, 130. From California: Extra-judicial executions; death for larceny; tax on miners: Indian hostilities; population; gold; Japanese; thermal springs, 130. Abstract of the census, 273. Dispersion of Cuban expedition, 273. Speeches of Mr. Webster at Buffalo and Albany, 274. Methodist Book Concern suit, 274. Presbyterian General Assembly at Utica, 275. At St. Louis, 275. Ocean steamers, 275. Extra session of the New York Legislature, passage of the Canal Enlargement bill, 275. Address of framers of the Constitution against the bill, 275. Riot at Hoboken, 275. Legislature of Massachusetts, principal bills passed, 276. Mr. Sumner's letter of acceptance, 276. Maine and Massachusetts, 276. Liquor-law in Maine, 276. Northern Eldorado, 276. Message of Governor Dinsmoore of New Hampshire, 276. New Constitution in Maryland, 276. Politics in Georgia, 276. In South Carolina, 276. In Mississippi, 276. Indian hostilities in Texas, 277. From California, 277. From Oregon, 277. Whig and Democratic Conventions in Vermont, 411. Democratic State Convention in New Hampshire, 411. Whig and Democratic Conventions in Pennsylvania, 412. Whig Convention in Ohio, 412. State Rights Convention in Mississippi, 412. Whig Convention in California, 413. Mr. Webster's Fourth of July speech at Washington, 413. Legislature of New York; Canal bill; apportionment of representatives, 413. Position of Mr. Fish, 413. Legislature of Rhode Island, 413. Acceptance of new Constitution in Ohio, 413. Widows in Kentucky to vote, 413. Celebration of the battle of Fort Moultrie at Charleston, 414. Senators Clemens and King of Alabama, 414. Compromise resolutions in Connecticut, 414. Legislature of Michigan, 414. Mormon trials, 414. Mr. Webster at Capon Springs, 414. From California: fire at San Francisco; quartz mining; Lynch law; Chinamen; abortive expedition against Lower California, 415. Indian treaty in Oregon, 415. Miscellanies from the Northwest, 415. Trial of General Talcott, 415. American traveler imprisoned in Hungary, 415. College commencements, 415,