apart from the Songkoi and minor waterways, unless from the reports of the natives or Roman Catholic missionaries. The population of the province is estimated not to exceed ten millions, probably less. The Anamese differ from those of the south, the race being formed by a union of the hill-aborigines with the sea-*board people. The climate is not considered favorable for Europeans. There are no Protestant missions in Anam.
This survey of the principal basins of Indo-China will enable the reader to appreciate how largely the agricultural wealth and commercial importance of all these countries depend on its rivers. It is scarcely exaggeration to state that a few inches of water often determine whether the receding flood at the annual inundation will leave a bright, grain-laden plain or a sterile waste of ruined crops. It should also be remembered that while periodical floods are common to all the deltas, each valley has its own period, indicating that the table-lands in which the rivers have their sources are at unequal distances. Moreover, travel throughout the peninsula being so largely aquatic, not only north and south along the main trunks, but across the same valley by means of intersecting canals, tide plays an important part in these waterway trips, and many smaller streams being filled and emptied daily, a careful study of tidal influences will avoid delay,
