He had never before visited the portion of the Lop desert where these stand, except in March, 1900, when he had guided Dr. Hedin to Altmish-bulak and had thence accompanied him to a point near the ruined dwellings marked by me L.B. iv, where the distinguished explorer had first come (on March 28, 1900) upon remains proving ancient occupation.?? From there he had returned, and had thus remained wit