Sand devil length and at least in weight. The sand devil is found in the northwestern Atlantic Ocean from Massachusetts to the Florida Keys, where it is fairly common. It also occurs in the northern Gulf of Mexico, and there are additional unconfirmed records from Cuba, Jamaica, Nicaragua, and Venezuela. The southern extent of its range is uncertain due to confusion with the disparate angelshark ("S. heteroptera") and Mexican angelshark ("S. mexicana"). This bottom-dwelling shark is found over sandy or muddy bottoms on the continental shelf and slope. Off the eastern United States, the sand devil has been documented to migrate seasonally.
Ross Island Penal Colony in tents. In November 1858 temporary barrack-type huts with walls made of mats and with leaking thatched roofs provided accommodation for about 1,000 prisoners. At one stage, of the 8,000 prisoners who had been transported to the islands under the penal project, 3,500 had died due to sickness. Sir Robert Napier, who came to Port Blair to investigate, found the conditions "beyond comprehension" as there was no food, clothing and shelter provided to the convicts. However, Ross Island was comparatively a better place than in the earlier initial years as Colonel RC Tytler and his wife Harriet had improved the