18 SEPTEMBER 1875, Page 3

The Castalia,'—the double ship which was invented to secure the

passengers between Calais and Dover from sea-sickness, or at least to reduce the danger to a minimum,—seems, if we may trust "A Resident at Calais," who writes to yesterday's Times, to be a real success. He says that he waited for a good stiff wind in order to test her ; that though she now and then rolled, she never pitched at all ; that no one on board of her ever thought of being sick on the passage, and yet that when the mail-boat passed her in the same sea, the latter's deck was covered with sick passengers. The writer returned to Calais by the mail-boat and was very sea-sick, though as the wind had risen since his voyage across, it is possible that even in the Castello. ' on that day he might have suffered. While the Bessemer appears to be as yet a failure, the humbler experiment of the Castalia ' seems to have earned a substantial

131.1CCR8S.