"Hugh! Hugh! There's life here ... look ... look at this! Found it in a cavern!" The shrill voice was exultant and gleeful. Hugh Betancourt quickly rose from the fire he tended, and turned startled eyes on the furry bundle Jim Brannigan grasped firmly by the scruff of its neck. At first, nothing was visible but the liquid sheen of the thing's silvery fur; but as Jim roughly thrust it out, Hugh gave an involuntary gasp of surprise. The creature's small, triangular face was nothing less than beaut