Gullivers Travels by Part 4 Chapter 7 Page 8

terrible wounds made by their claws on both sides, although they seldom were able to kill one another, for want of such convenient instruments of death as we had invented. At other times, the like battles have been fought between the Yahoos of several neighbourhoods, without any visible cause; those of one district watching all opportunities to surprise the next, before they are prepared. But if they find their project has miscarried, they return home, and, for want of enemies, engage in what I call a civil war among themselves.

“That in some fields of his country there are certain shining stones of several colours, whereof the Yahoos are violently fond: and when part of these stones is fixed in the earth, as it sometimes happens, they will dig with their claws for whole days to get them out; then carry them away,