The configuration is complicated by the great lateral indentation of Lake Baikal.
It is difficult to determine which configuration most accurately explains the observed facts; Kekule's formula undoubtedly explains the synthetical production of benzenoid compounds most satisfactorily, and W.
A striking fact in the configuration of the crust is cs 1'000 n that each continent, or elevated mass of the crust, is T diametrically opposite to an ocean basin or great de 5000 0 -5000 -15000 -20 2500 -300 pression; the only partial exception being in the case of southern South America, which is antipodal to eastern Asia.
Owing to the existence of a strong Mussulman minority among its inhabitants, the warlike character of the natives, and the mountainous configuration of the country, which enabled a portion of the Christian population to maintain itself in a state of partial independence, the island has constantly been the scene of prolonged and sanguinary struggles in which the numerical superiority of the Christians was counterbalanced by the aid rendered to the Moslems by the Ottoman troops.
To settle this point it is necessary to consider the configuration of the isomeric pentoses - arabinose and xylosefrom which they may be prepared.