On the 17th June, 1825, he embarked at Malta for Tripoli, where he joined a caravan with which Hateeta, the Tuarick chief, who had made such friends with Lyon, was also travelling as far as Ghât. After two months' halt at Ghadames, Laing again started in October and reached Insalah, which he places a good deal further west than his predecessors had done. Here he remained from November, 1825, to January 1826, and then made his way to the Wâdy Ghât, intending to go from thence at once to Timbuctoo, making a tour of Lake Jenneh or Debbie, visiting the Melli country, and tracing the Niger to its mouth. He would then have retraced his steps as far as Sackatoo, visited Lake Tchad and attempted to reach the hill. Outside Ghât the caravan with which Laing was travelling was attacked, some say by