The Hidden Children by Robert William Chambers Chapter 4 Page 7

Now, on this fourth day, and our journey drawing to its end, I resolved to follow the Siwanois if he stirred from our fire, and discover for myself with what manner of visitor he held these stealthy councils.

During the long day’s march I lagged and watched and listened in vain for any follower along our route. Sometimes I even played at flanker, sometimes rode far on ahead, and, at times, stuck to the Indian hour after hour, seeming not to watch him, but with every sense alert to surprise some glance, some significant movement, some cunning and treacherous signal, to convince me that the forest had eyes that marked us, and ears which heard us, and that the Siwanois knew it, and aided and abetted under our very gaze.

But I had seen him do nothing that indicated him to be in secret