Oof--OOF--OOF!--and they're gone! And I don't see them again till next year.

But you've seen the swallows, haven't you?
They go in the daytime, and they're the easiest to tell of any of them.

They fly so swift and straight.

Haven't you seen the swallows go ?" "Why, I--I don't know, David," murmured Mrs.Holly, with a helpless glance at her husband stalking on ahead.

"I--I didn't know there were such things to--to know." There was more, much more, that David said before the walk came to an end.