MONG NAI (called by the Burmese and on most old maps Monti)  , one of the largest and most important of the states in the eastern subdivision of the

southern Shan States of Burma . The state of Keng Tawng (Burmese Kyaing Taung) is a dependency of Mong Nai . It lies approximately between 2o° 1o' and 21° N. and between 97° 30' and 98° 45' E., and occupies an area of 2717 sq. m.; pop . (1901), 44,252, of whom more than five-sixths are Shans . The Salween river bounds it on the east . The main state and the sub-state of Keng Tawng consist of two plains with a ridge between them . There is much fiat rice bottom, but a considerable portion consists of gently undulating plain-land . In the central plain rice is the only crop . Outside this considerable quantities of sugar are produced . Tobacco of a quality highly esteemed by the Shams is grown in the Nawng Wawp circle at an altitude of 3100 ft. above sea-level; gram, thanatpet (a leaf used for cigar-wrappers), and garden crops are the chief produce otherwise . In the outlying tracts quantities of coarse native paper are manufactured from the bark of a species of mulberry, and much is exported to other parts of the Shan States .