Over a large part of this area, however, they are concealed by the later Tertiary deposits, and they are absent over the Dnieper and Don ridge in the Yaila Mountains and in the higher parts of the Caucasus.
Not only the higher chains of Caucasus and Yaila, but also the Donets ridge, rose above the :oo 4?.
By the Yaila Mountains, the summits of which range between 4000 and 5000 ft.
Kolitolu Yaila, near Ilghin; block inscribed in relief, disinterred from mounds apparently marking a camp or palace-enclosure.
The Sarus (Sihun) is formed by the junction of the Karmalas (Zamanti Su), which rises in Uzun Yaila, and the Sarus (Saris), which has its sources in the hills to the south of the same plateau.
The only considerable tributary of the Euphrates which comes within our region is the Tokhma Su, which rises in Uzun Yaila and flows south-east to the main river not far from Malatia.
Large numbers of sheep and Angora goats are reared on the plateau, and fair horses are bred on the Uzun Yaila; but no effort is made to improve the quality of the wool and mohair or the breed of horses.
Coast of the Crimea, at the foot of the Yaila Mountains, 32 m.