ten o'clock
They cost twenty times as much as the others . They think nothing of keeping up this rate for twelve hours , without a stop . '' `` If they do that , we shall be near the Atbara before it is dark . It is ten o'clock now , and if General Hunter 's map is right , we have only about eighty miles to go , and I should think they are trotting seven miles an hour . '' They carried their rifles slung behind them and across the shoulders , rather than upright , as was the Arab fashion . The spears were held in their right hands . `` We must see if we ca n't fasten the spears in some other way , Zaki .