Sentence:  You rise by candle-light or gaslight, swearing / There never was a climate made like ours; / If rashly you go out to take an airing, / The soot-flakes come in black <WSD>Plutonian</WSD> show'rs. 
Meaning of the word marked with <WSD> tags:  Of or relating to Pluto, the Greek and Roman god of the underworld; demonic, infernal.