"When the fossilized skeleton of a small, three-toed horse found inside a Wyoming saloon turns out to be a hot commodity among the scientific elite from "Back East," Yellowstone Kelly is commissioned as a scout to lead one of several competing research parties for more bones. Professors Cope and Marsh are eager to amass collecitons, and the lovely Miss Alys de Bonneterre is along for the ride and the adventure."--Jacket.