Sentence:  "Mancunium," Manceaster, what we now call Manchester, spins no cotton […] The Creek of the Mersey gurgles, twice in the four-and-twenty hours, with eddying brine, clangorous with sea-fowl; and is a "Lither"-Pool, a "lazy" or sullen Pool, no monstrous <WSD>pitchy</WSD> City, and Seahaven of the world! 
Meaning of the word marked with <WSD> tags:  Very dark black; pitch-black.