Max Brand 
Silvertip 

'SILVERTIP’ was what men called him, since the other names he chose to wear were as shifting as the sands of the desert; but he was more like a great stag than a grizzly. For he was built heavy to the waist; below, he was as slender as any swift-running deer. Yet the nickname was no accident. Above his young face, high up in the hair over his temples, appeared two tufts of gray that at times and in certain lights had the look of small horns. For this reason the Mexicans were apt to call him 'El Diablo, ’ but Americans knew him as Silvertip, which they shortened often to Silver, or Tip.