That of the sub: urban provinces is effected by branches of the Bangkok civil police.
In 1822 John Crawfurd was sent to Bangkok to negotiate a treaty with the suzerain power, but the mission was unsuccessful.
The laws of the sovereigns who have reigned at Bangkok form the most notable part of this branch of Siamese literature.
The trade of Bangkok is almost entirely in the hands of Europeans and Chinese.
Two companies provide Bangkok with a complete system of electric tramways, and the streets are lined with shade-trees and lit by electricity.
The full force of the monsoon is, however, broken by the western frontier hills; and while the rainfall at Mergui is over 180, and at Moulmein 240 in., that of Bangkok seldom exceeds 54, and Chiengmai records an average of about 42 in.
The first census of Bangkok and its suburbs was taken in 1909.
The climate of Bangkok has without doubt recently changed.
There are also mints at Osaka, Bangkok and Teheran, and the Seoul mint was at work in 1904.
To the east of Bangkok the Bangkok-Petriew line (40 m.) was completed and open for traffic.