r'111 dry, and work ceases. There is nothing to show how the pre-Sence of salt was discovered or wliat suggested the sinking of the ; the people say they are very ancient. The teak forests of jhis region are the finest in Siam. The existence of gems is reported rom various quarters, and when the geological examination of the strict takes place it will be found rich in minerals.
Collins and Rossmussen took the land-route by Muang Hung to uang Prabang, while I went by the northern and quicker route to anun on the Nam Kawng.
VIEW OF CRATER.
TA ute we passed through Muang Luak (since called Hong is a plain about 10 miles long and 6 miles broad, sur-the ^ ^ bigh steep hills. Rising a couple of hundred feet above are ^wo aA tive volcanoes, known as the a Great Fire hilla ai Yai)? and a Small Fire hill a (Pu Fai Noi).
VlSlted Pu. Fai Yai, and found a path to the top. The crater yards long, 50 yards broad, oval in shape, with one end feet higher than the other, like an oblique section of a