The Second Jungle Book by Rudyard Kipling Chapter 7 Page 11

“Respect the aged and infirm!” and all the time his little eyes burned like coals under the heavy, horny eyelids on the top of his triangular head, as he shoved his bloated barrel-body along between his crutched legs.

Then he settled down, and, accustomed as the Jackal was to his ways, he could not help starting, for the hundredth time, when he saw how exactly the Mugger imitated a log adrift on the bar. He had even taken pains to lie at the exact angle a naturally stranded log would make with the water, having regard to the current of the season at the time and place. All this was only a matter of habit, of course, because the Mugger had come ashore for pleasure; but a crocodile is never quite full, and if the Jackal had been deceived by the likeness he would not have lived to philosophise over it.