He did not leave the big plain, and often He took his mate to the top of
the ridge, and he would try to tell her what he had left back there.
With the dark nights the call of the woman became so strong upon him
that he was filled with a longing to go back, and take Gray Wolf with
him.

Something happened very soon after that. They were crossing the open
plain one day when up on the face of the ridge Kazan saw something that
made his heart stand still. A man, with a dog-sledge and team, was
coming down into their world. The wind had not warned them, and suddenly
Kazan saw something glisten in the man's hands. He knew what it was. It
was the thing that spat fire and thunder, and killed.

He gave his warning to Gray Wolf, and they were off like the wind, side
by side. And then came the _sound_--and Kazan's hatred of men burst
forth in a snarl as he leaped. There was a queer humming over their
heads. The sound from behind came again, and this time Gray Wolf gave a
yelp of pain, and rolled over and over in the snow. She was on her feet
again in an instant, and Kazan dropped behind her, and ran there until
they reached the shelter of the timber. Gray Wolf lay down, and began
licking the wound in her shoulder. Kazan faced the ridge. The man was
taking up their trail. He stopped where Gray Wolf had fallen, and
examined the snow. Then he came on.

Kazan urged Gray Wolf to her feet, and they made for the thick swamp
close to the lake. All that day they kept in the face of the wind, and
when Gray Wolf lay down Kazan stole back over their trail, watching and
sniffing the air.

For days after that Gray Wolf ran lame, and when once they came upon the