gorges, is often completely exhausted before reaching the ocean at Saint Francis Bay. Beyond it follow Sunday River, falling into Algoa Bay, and Great Fish River, which after an extremely winding course debouches in the Indian Ocean, near

Fig. 29. — Gate of the St. John River.

the point where the continental coast-line begins to trend north-eastwards. Here the effects of a different climate already begin to make themselves felt. Although shorter than those on the southern seaboard, these eastern streams roll down a larger volume of water.