Clark Ashton Smith,
Vulthoom
(1935)
“ The perfume was redolent of alien mystery, and it thrilled and troubled the Earthmen, who became silent as they approached the bridge, feeling the oppression of eery strangeness that gathered from all sides in the thickening gloom. More deeply than in daylight, they apprehended the muffled breathings and hidden, tortuous movements of a life for ever inscrutable to the children of other planets. The void between Earth and Mars had been traversed; but who could cross the evolutionary gulf between Earthman and Martian? ”
