大唐西域記 7.58

7.58

從此復還吠舍釐國，南渡殑伽河，至摩揭陀國（舊曰摩伽陀，又曰摩竭提，皆訛也。中印度境）。

This country is about 4000 li in circuit, and is situated among the Snowy Mountains. The capital city is about 20 li round. Mountains and valleys are joined together in an unbroken succession. It is adapted for the growth of cereals, and abounds with flowers and fruits. It produces red copper, the Yak and the Mingming bird (jîvañjîva). In commerce they use coins made of red copper. The climate is icy cold; the manners of the people are false and perfidious. Their temperament is hard and fierce, with little regard to truth or honour. They are unlearned but skilful in the arts; their appearance is ungainly and revolting. There are believers and heretics mixed together. The sanghârâmas and Deva temples are closely joined. There are about 2000 priests, who study both the Great and Little Vehicle. The number of heretics and sectaries of different sorts is uncertain. The king is a Kshattriya, and belongs to the family of the Licchavas. His mind is well-informed, and he is pure and dignified in character. He has a sincere faith in the law of Buddha.
Lately there was a king called Amsuvarman, (An-chu-fa-mo), who was distinguished for his learning and ingenuity. He himself had composed a work on "sounds" (Śabdavidyâ); he esteemed learning and respected virtue, and his reputation was spread everywhere.
To the south-east of the capital is a little stream and a lake. If we fling fire into it, flames immediately arise; other things take fire if thrown in it, and change their character.
From this going back to Vaiśâlî, and crossing the Ganges to the south, we arrive at the country of Mo-kie-t'o (Magadha).