nine
o'clock
At any rate she must not pass us . `` At night when she anchors she must have two head lights , one at the crosstrees and one at the topmast head . I shall be on the lookout for her , and we will take some blue lights and some red lights with us . Every night I will burn a blue light , say at nine o'clock . A man in the crosstrees will make it out twenty miles away , and that will tell them where I am , and that I do n't want them . If I burn a red light it will be a signal for the yacht to come and pick me up . '' `` Then you will go in the boat yourself , Major ? ''