ten o'clock
`` We have our buffalo robes and bed rolls and do n't need any tent , but if you drop the bar to the tent door , and take a wet sock to the mosquitoes that get in , I think you 'll not be bothered . '' `` But how will you sleep , outside ? '' `` Oh , we pull a corner of the blanket over our faces if they get too bad . By nine or ten o'clock they 'll be gone -- until sunup ; then they 're the worst . If we had camped up on the rim it would have been better . '' `` I 'm going up on the rim after supper , '' said Jesse , `` to see if I ca n't find an antelope -- I suppose you 'd call it a jack rabbit . I saw three coveys of prairie chickens cross the road to-day .