Having determined the latitude and longitude of Cosseir, and also completed a long series of other observations, Bruce embarked on the 5th of April to continue his survey of the Red Sea, concerning the climate of which Captain Tuckey, of the royal navy, who, with most of his officers and men, perished in 1810 in attempting to trace the course of the Niger, thus wrote from Bombay: "It may surprise you to hear me complain of heat after six years broiling between the tropics; but the hottest day I ever felt, either in the East or West Indies, was winter to the coolest one we had in the Red Sea; the whole coast of 'Araby the Blessed,' from Babelmandel to Suez, for forty miles inland, is an arid sand, producing not a single blade of grass, nor affording one drop of fresh water." Crossing the gulf, Bruce arrived in four days at Tor, a small straggling village at the foot of Mount Sinai. On the 11th of April he again sailed, coasting along the eastern shore, and landing for a short time at Yamboo; and then continuing his course towards the south, he arrived on the 1st of May at the extensive port of Jidda, which is in Arabia Deserta, and about half way between the Isthmus of Suez and the Straits of Babelmandel. From Yambo to Jidda Bruce slept but little; having been constantly occupied with memoranda which he was desirous to complete. He was, besides, suffering and shaking from his Bengazi ague; and, burned and weatherbeaten, he was in his neglected garb so like a galiongy or Turkish seaman, that the captain of the port was astonished at hearing his servants, as they were conducting his baggage to the custom-house, say that the traveller was an Englishman. The reader, having proceeded thus far in the history of Bruce's life, will have remarked with what unconquerable resolution he has hitherto proceeded on his journey, fearless of danger, shrinking from no fatigue, exposing himself to the scorching sun, and complaining neither of hunger nor thirst, but his spirit, like the water of a great river, seeming to acquire strength and boldness in its course as he daily approaches his distant goal. But how has it fared with the body, that frail companion of the mind, during this weary journey? On the subject of his health Bruce himself says but little; and it is only casually, in the following remarkable anecdote, that we are presented with a picture of his frame.