Now look along them ridges on the other side of the herd, the ridges where the sun shines bright on the sage....

That's right.

Now look en' look hard en' wait." Long-drawn moments of straining sight rewarded Jane with nothing save the low, purple rim of ridge and the shimmering sage.
"It's begun again!" whispered Lassiter, and he gripped her arm.
"Watch....

There, did you see that ?" "No, no.

Tell me what to look for ?" "A white flash--a kind of pin-point of quick light--a gleam as from sun shinin' on somethin' white." Suddenly Jane's concentrated gaze caught a fleeting glint.