And this was something that the Fire People who lived to the northeast had not yet achieved.

They were without dogs; this I knew from observation.

But let me tell you how Lop-Ear's gluttony possibly set back our social development many generations.
Well to the west of our caves was a great swamp, but to the south lay a stretch of low, rocky hills.

These were little frequented for two reasons.

First of all, there was no food there of the kind we ate; and next, those rocky hills were filled with the lairs of carnivorous beasts.
But Lop-Ear and I strayed over to the hills one day.