about ten o'clock
Thus at last we escaped from the Isthmus . At the end of twenty-four hours we had left the island of Tobago astern , and were reaching to the north . PART II THE GOLDEN CITY We stood in between the hills that guarded the bay of San Francisco about ten o'clock of an early spring day . A fresh cold wind pursued us ; and the sky above us was bluer than I had ever seen it before , even on the Isthmus . To our right some great rocks were covered with seals and sea lions , and back of them were hills of yellow sand . A beautiful great mountain rose green to our left , and the water beneath us swirled and eddied in numerous whirlpools made by the tide .