four
o'clock in the morning
`` I will take the rest of this watch and the middle watch , Mr. McGaw , '' offered the captain . `` I want to stay up to-night . I ca n't go to sleep . '' The offer meant that Captain Mayo proposed to stay on duty until four o'clock in the morning . Mate McGaw fiddled a gnarled finger under his nose and tried to find some words of protest . But Captain Mayo added a crisp command . `` Go below , Mr. McGaw , and take it easy .