About ten o'clock
Then such boats as this are apt to carry a few guns along . Just sleep in peace , Will . The chances are ten to one the only thing apt to arouse us to-night may be the howl of a norther , '' said Frank soothingly . About ten o'clock both Bluff and Will began yawning . `` Go to bed , you fellows . Jerry and I will manage the first and second watches between us . If we want help , we 'll knock you up , '' observed Frank .