Whittington didn't come out again, and by and by I got kind of restive, and began to mouch around.
I was not at all concerned that Whittington did not come back out.  
mnli hypothesis: I was not at all concerned that Whittington did not come back out.   premise: Whittington didn't come out again, and by and by I got kind of restive, and began to mouch around.