LATE OMISSIONS.
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Osvsng Belts.--An article appears in the last number of the American Jour nal of Science and the Arts, which con- tains the account of several descents in diving bell, q. Portsmouth, New Hampshire. We extract the suhioined paragraph, descriptive of the sensations oi the adventures, and ihe happy ef. feet which the submarine excursion had upon one of them. Mir. CLIFFoRD.-- The descents were made some years since:

 In descending, a painful sensation was produced on the drum of the ear, at- tended with noise, not unlike that of a fly entangled in spiders web, till the adventurers were at the depth of about l2 feet, when experiencing a sud den shock, they were completely re- lieved. This powerful sensation, the shock and subsequent relief, were regu- larly repeated, as nearly as could be judged, every twelve feet. After a few descents, it was perceived, that by being raised 2 foot or two every eight or ten feet, the shock was avoided, and the men were freed from that painful sensation, which had resulted from the uniformly increasing density of the at mospherc. The eadventnrers once made their submarine descent at the time of high water, when they were seventy two feet below the surface. Two-thirds of the cavity of theiryesscl, as was i'm agined, without making any admeasure- ment, was then filled with water. In a clear day, and with an unru1ied sea, they had light sufficient to read a coarse print, at the greatest depth. As they moved the pebbles, with their gah al