The people whose physical characteristics we have described and whose idiom we have defined, came from Asia, to all appearance, by the Isthmus of Suez. Perhaps they found established on the banks of the Nile another race, probably black, and indigenous to the African continent.[52] If this were so the new comers forced the earlier occupants of the country southwards without mixing with them, and set themselves resolutely to the work of improvement. Egypt must then have presented a very different sight from its richness and fertility of to-day. The river when left to itself, was perpetually changing its bed, and even in its highest floods it failed to reach certain parts of the valley, which remained unproductive; in other districts it remained so long that it changed the soil into swamp. The Delta, half of it drowned in the waters of the Nile, the other half under those of the Mediterranean, was simply a huge morass dotted here and there with sandy islands and waving with papyrus, reeds, and lotus, across which the river worked its sluggish and uncertain way; upon both banks the desert swallowed up all the soil left untouched by the yearly inundations. From the crowding vegetation of a tropical marsh to the most absolute aridity was but a step. Little by little the new comers learnt to control the course of the floods, to bank them in and to carry them to the farthest corners of the valley, and Egypt gradually arose out of the waters and became in the hand of man one of the best adapted countries in the world for the development of a great civilization.[53] [52] See LEPSIUS, _Ueber die Annahme eines sogenannten prehistorischen Steinalters in Ægypten_ (in the _Zeitschrift für Ægyptische Sprache_, 1870, p. 113, et seq.). [53] MASPERO, p. 18. How many generations did it require to create the country and the nation? We cannot tell. But we may affirm that a commencement was made by the simultaneous establishment at several different points of small independent states, each of which had its own laws and its own form of worship. These districts remained almost unchanged in number and in their respective boundaries almost up to the end of the ancient world. Their union under one sceptre formed the kingdom of the Pharaohs, the country of Khemi, but their primitive divisions did not therefore disappear; the small independent states became provinces and were the foundation of those local administrative districts which the Greeks called _nomes_. [Illustration: FIG. 8.--Hunting in the Marshes; from a bas-relief in the tomb of Ti.]