67. Nearchus, producing proofs of their skill in works of art, says, that when they saw sponges in use among the Macedonians, they imitated them by sewing hairs, thin threads, and strings in wool; after the wool was felted, they drew out the hairs, threads, and strings, and dyed it with colours. There quickly appeared also manufactures of brushes for the body, and of vessels for oil (lecythi). They write, he says, letters upon cloth, smoothed by being well beaten, although other authors affirm that they have no knowledge of writing. They use brass, which is cast, and not wrought; he does not give the reason of this, although he mentions the strange effect, namely, if that vessels of this description fall to the ground, they break like those made of clay. This following custom also is mentioned in accounts of India, that, instead of prostrating themselves before their kings, it is usual to address them, and all persons in authority and high station, with a prayer. The country produces precious stones, as crystal, carbuncles of all kinds, and pearls. 68. As an instance of the disagreement among historians, [CAS. 717] we may adduce their (different) accounts of Calanus. They all agree that he accompanied Alexander, and underwent a voluntary death by fire in his presence, but they differ as to the manner and cause of his death. Some give the following account. Calanus accompanied the king, as the rehearser of his praises, beyond the boundaries of India, contrary to the common Indian custom; for the philosophers attend upon their kings, and act as instructors in the worship of the gods, in the same manner as the Magi attend the Persian kings. When he fell sick at Pasargadæ, being then attacked with disease for the first time in his life, he put himself to death at the age of seventy-three years, regardless of the entreaties of the king. A pyre was raised, and a golden couch placed upon it. He laid down upon it, and covering himself up, was burnt to death. Others say, that a chamber was constructed of wood, which was filled with the leaves of trees, and a pyre being raised upon the roof, he was shut up in it, according to his directions, after the procession, with which he had been accompanied, had arrived at the spot. He threw himself upon the pyre, and was consumed like a log of wood, together with the chamber.