I have always accepted other peoples experiences and observations as a matter of course.
These peoples were conquered by the Avars in the 7th century.
If tradition is any guide, human sacrifice seems in many important areas to be of secondary character; in spite of the great development of the rite among the Aztecs, tradition says that it was unknown till two hundred years before the conquest; in Polynesia human sacrifices seem to be comparatively modern; and in India they appear to have been rare among the Vedic peoples.
There is no doubt that it contains an element of truth; as among the Romans the gradual deification of ancestors and the apotheosis of emperors were prominent features of religious development, so among primitive peoples it is possible to trace the evolution of family and tribal gods from great chiefs and warriors.
In this was included a translation into Latin of part of Jodocus Schouten's account of Siam (Appendix de religione Siamensium, ex Descriptione Belgica Iodoci Schoutenii), and chapters on the religions of various peoples.