Page:Travels to Discover the Source of the Nile - In the Years 1768, 1769, 1770, 1771, 1772, and 1773 volume 4.djvu/670

 them on board, but still be very cautious how you trust them; order them to conduct you up the common track, and keep the two vessels with you till you are satisfied of their abilities, then we advise your dispatching the Cuddalore the outward passage, in order to survey it up to Suez, and give them orders to join you there. But should you be to unlucky as not to meet with pilots, there will be no alternative but to proceed with the greatest care and caution the outward passage, with your two tenders a-head both day and night, till you reach Tor, where you will meet with pilots and water; and as we have reason to believe the danger of the passage is then over, if you find it to be the case, you will dispatch back the Cuddalore to make a correct survey as far down as Jidda, in the lat. of 21° 30'. As it cannot be supposed you will be able to make an exact survey in going up in mid-channel, you will instruct Captain Wedderburn to follow the surveyor's order, but at the fame time to make all necessary remarks himself, as also his officers, and to finish the survey as expeditiously as possible, and to return to the ship at Suez; but should more time be taken up, and he finds it impracticable, he must endeavour to go to Yambo, and there wait for the dispatches, if he can do it with safety; if not, to return to Mocha, and remain there to supply himself with such necessaries as he may find in need of, to be ready to make the best of his way to Bengal, as soon as he receives your dispatches, and the monsoon will allow him to proceed.

"On your arrival at Suez you will inquire of the master of the port, or governor, whether or not he has any letters, &c. from his master the Bey, respecting you? Should he have none, you will desire him to forward the short letter from the governor, informing him of the arrival of