The Second Jungle Book by Rudyard Kipling Chapter 11 Page 29

above all, the dark, had turned his head; and when the terrible dog-sickness once shows itself in a team, it spreads like wild-fire.

Next hunting-day another dog sickened, and was killed then and there by Kotuko as he bit and struggled among the traces. Then the black second dog, who had been the leader in the old days, suddenly gave tongue on an imaginary reindeer-track, and when they slipped him from the pitu he flew at the throat of an ice-cliff, and ran away as his leader had done, his harness on his back. After that no one would take the dogs out again. They needed them for something else, and the dogs knew it; and though they were tied down and fed by hand, their eyes were full of despair and fear. To make things worse, the old women began to tell ghost-tales, and to say that they had met the spirits of the dead