predating the advent of Theravāda Buddhism but coexisting with it and
with other systems of divination and prediction such as astronomy and alchemy."
"In the centre are those who are undergoing various punishments. Below these is depicted an unfortunate about to enter and begging for mercy, and near him is to be seen another who is reluctant to go forward and is being dragged and goaded onward. At the bottom of the picture is Thagyá judging the deceased; behind him are the four executioners. At the four corners are the abodes of the four great executioners -Yamahlá, Yamada, Yamaká and Yamamin, the abode of the last being represented as empty"
The thirty-seven nats, a phase of spirit-worship prevailing in Burma, by Sir R. C. Temple. With full-page and other illustrations. (published 1906) at NYPL
(where I spent way, way too much time today - like a child in a toyshop).