I’mignorantofit!Butperhapsyouwantoxalicacid。Itisoxalicacid，isn’tit？“
Binetexplainedthathewantedacorrosivetomakehimselfsomecopperwaterwithwhichtoremoverustfromhishuntingthings。
Emmashuddered。Thechemistbegansaying——
“Indeedtheweatherisnotpropitiousonaccountofthedamp。“
“Nevertheless，“repliedthetax-collector，withaslylook，“therearepeoplewholikeit。“