He had lit his pipe for the dozenth time, and had let it go out again while he hummed a verse of a Covenanters' hymn.
The tenth or dozenth time Thor forded the stream Muskwa revolted and followed along on his own side.
And for the dozenth time he was rewarded only by seeing a flake no larger than his clenched fist fall out.
This time it was "Pilgrim's Progress," which she was reading for about the dozenth time.
She felt for the first time an impulse to box his lazy jaws as he yawned and turned over for the dozenth time without rising.