CHAPTER XXXIV

_Invisible Assailants_ We did not locate the source of the bomb, and no others rose to assail us. The mountain defiles, so far as our lights could illuminate them, seemed deserted. We passed over the Divide, and on the plateau beyond, we landed. A region of rolling country beneath its snow and ice. The mountains came down sharply to the inner plain--a crescent of mountain range stretching off into the dimness of distance, half encircling this white plateau in the center of which stood the City of Ice. We could just…