In the poem it says " the silken sad uncertain rustling of each purple curtain thrilled me-filled me with fantastic terrors never felt" it is saying the curtains frightened him. that just what i think but it has been a while sense i read that poem so<span />
Charles Darwin’s circumnavigation as ship’s naturalist on the second of three surveying voyages by H.M.S. Beagle.Darwin mediates scientific observation through the language of aesthetics which seeks to understand the convergence of disparate scales of geological and human history.