Finally, in 1904, Dr von Le Coq, when excavating the sand-buried ruins of Kara-khoja, between Turfan and Lukchun, discovered extremely valuable MSS., some written on Chinese paper, some on white leather, and some on wood, besides Buddhistic wall-paintings.
The subdrift system requires a smaller amount of narrow work in excavating the necessary haulage roads, and is therefore better adapted to hard ores in which such narrow work is expensive.
Meanwhile (1877-1881) the French consul, de Sarzec, had been excavating at Tello, the ancient Lagash, and bringing to light monuments of the pre-Semitic age, which included the diorite statues of Gudea now in the Louvre, the stone of which, according to the inscriptions upon them, had been brought from Magan, the Sinaitic peninsula.
He seems to have left the defence of his kingdom to others, occupying himself with the more congenial work of excavating the foundation records of the temples and determining the dates of their builders.
This species usually constructs its nest on the bottom, excavating a hollow in which a bed of grass, rootlets or fibres is prepared; walls are then raised, and the whole is roofed over with the like material.