SURVEYING AND EXPLORING IN SI A M.
two of an average weight of 70 lbs., has teeth, and on the back a peculiar long fin ; it has no scales, is of a dark-grey colour, and not very appetizing in appearance. It is plentiful in March, April, and May and is sold for about three rupees. Apia buk that I helped to take weighed 130 lbs.; it was 7 feet long and 4 feet 2 inches round the body; the tail measured 1 foot 9 inches. The fish had neither scales nor teeth, and was sold for ten rupees. The roe of this fish i3 considered a great delicacy. The fish is taken in the sixth, seventh, or eighth month, or June, July, and August, when on its upward journey Returning in November, it keeps low in the river, and a few stray ones only are caught. It confines itself to the Nam
the ME KAWNG AT LUANG PRABANG.
Kawng, and does not go up the Nam U, which the pla rerm seems to prefer.
The net for catching these fish is from 150 to 200 feet long and
6 feet wide, made of cord one-eighth of an inch thick. This is dropped across the river from a small boat, usually by two men, and is supported at one edge by calabashes, used as floats, 8 feet apart, the other edge being sunk by stones placed opposite the floats. In June the water is almost red, and the fish, keeping near the surface, are easily caught. The more they struggle the more firmly are they secured in the meshes; and the stones rattling against the side of the boat as the fishermen pull in the net, indicate a successful cast. This method of fishing is not without danger, for men have been known