four o'clock
Dennison and Metz were a little light-headed , and Bennett at one time wondered if Ferriss himself had absolute control of his wits . Since morning the wind had been blowing strongly in their faces . By noon it had increased . At four o'clock a violent gale was howling over the reaches of ice and rock-ribbed land . It was impossible to go forward while it lasted . The stronger gusts fairly carried their feet from under them . At half-past four the party halted .