case looks to me like a high-class professional job. No Sunday-school superintendent did it."
Vance continued for a while to study the box, but at length he turned away with a perplexed frown.
"I say!" he commented. "Something devilish queer took place here last night."
"Oh, not so queer," Heath amended. "It was a thorough job, all right, but there's nothing mysterious about it."
Vance polished his monocle and put it away.
"If you go to work on that basis, Sergeant," he returned carelessly, "I greatly fear you'll run aground on a reef. And may kind Heaven bring you safe to shore!"
