Note 4 — Chapter IV
Reading edition
In this estimate of distance, the rate of travelling is supposed to be twenty-two miles per day:—a conclusion that arises from the time that was employed by Mr. Lucas in travelling from Tripoli to Mesurata; for in that journey of 150 miles, seven days were consumed; and though the caravan was detained for a few hours on the sea coast, and was employed during four more in passing to and from the tents of the Arab, yet these losses were probably compensated by the extraordinary dispatch with which, in consequence of their fears, the greatest part of the journey was performed.