392
SOUTH AND EAST AFRICA.
being determined with any attempt at accuracy. Southwards the race is iprk encroaching on the conterminous populations of Galla and Banta origin. Till recently the Juba River had been indicated as the southern frontier of the Somali domain, but during the last few years the Somali have advanced as far as the
Fig. 121. — Somali territory.
Tana, that is to say, 270 miles farther south, and they have even crossed this river, as if to join hands with the equally aggressive Masai invaders. On the other hand, at the opposite extremity of their territory, that is, on the shores of the Gulf of Aden, they are in their turn retiring before the Danakil nomads. One might almost say that a sort of ethnological equilibrium is being established
