The Second Jungle Book by Rudyard Kipling Chapter 13 Page 4

white with pure age; his ribs stuck out, and he walked as though he had been made of wood, and Mowgli killed for him. But the young wolves, the children of the disbanded Seeonee Pack, throve and increased, and when there were about forty of them, masterless, full-voiced, clean-footed five-year-olds, Akela told them that they ought to gather themselves together and follow the Law, and run under one head, as befitted the Free People.

This was not a question in which Mowgli concerned himself, for, as he said, he had eaten sour fruit, and he knew the tree it hung from; but when Phao, son of Phaona (his father was the Gray Tracker in the days of Akela’s headship), fought his way to the leadership of the Pack, according to the Jungle Law, and the old calls and songs began to ring under the stars once more, Mowgli