As the boat moved off, on her return to Bangkok, the consul explained to the boys that the Menam was about nine hundred miles in length, and had a general course from north to south. It flows through an exceedingly fertile country, and the Siamese are very proud of it. Its name in Siamese means "Mother of Waters;" and though it is not to the country what the Nile is to Egypt, it is certainly of great importance. From the source of the river to its mouth, the forest is dense and luxurious, except where clearings have been made for purposes of agriculture. Teak, sapan, and other tropical trees grow to a great size, and the underbrush is so thick that it is next to impossible to walk about until a path has been opened.

Fred thought it would be nice to have a bath in the Menam; and proposed that they should try a swim in its waters the first time they had an opportunity.

CROCODILES AT HOME.

"I would advise you not to try it," the consul answered. "It is safe enough at Bangkok, where there is so much movement of boats, and you might bathe there without danger. But in this part of the river there are plenty of crocodiles, and the higher up you go the more of them do you find. M. Mouhot, who explored the Upper Menam in 1861, and died at the village of Louang Prebang in that year, says that in some instances he found the banks covered with crocodiles basking in the sun, and they were so unused to attacks that they were not at all disturbed by the presence of his boat. They frequently swallow incautious swimmers who venture into the parts of the river where they abound; and sometimes cattle going to the river to drink are seized by them. In such fights the crocodile is generally the victor, as he is thoroughly at home in the water, and his jaws have an enormous amount of strength."

TAKING A BITE.

"What is the difference between the alligator and the crocodile?" one of the boys asked.