Sentence:  Everything a living animal could do to destroy and to desecrate bed and walls had been done. [...]  A canister of flour from the kitchen had been thrown at the looking-glass and lay like trampled snow over the <WSD>remains</WSD> of a decent blue suit with the lining ripped out which lay on top of the ruin of a plastic wardrobe. 
Meaning of the word marked with <WSD> tags:  All that is left of the stock of some things; remnants.