two
o'clock
He waited anxiously for twenty-four hours for some answer . None came . This was the third day since his cotton began to need water . The thermometer went to 131 at two o'clock . No green plant could survive long without water . He rode all day enlisting the coöperation of influential men in the valley on the American side , and got several of them to send wires to Washington . Every night when he returned to Calexico he went eagerly to the telegraph office ; but each time the operator emphatically shook his head .