Their tails rose and stiffened, they raised their lips over their long white fangs, the napes of their necks bristled, and they showed each other the vicious whites of their eyes, while they drew in their breaths with prolonged and rasping snarls.

Each dog seemed to be the personification of fury and unsatisfied hate.

They began to circle about each other with infinite slowness, walking stiffed-legged and upon the very points of their feet.

Then they wheeled about and began to circle in the opposite direction.

Twice they repeated this motion, their snarls growing louder.