"I simply mean," said Bell very quietly, "that I'd really rather not be—er—left alive if I'm mad. That's all. But Ortiz knew what was the matter with him before he got bad off. I know it's a risk. I'm goose-flesh all over. But somebody's got to take the risk. The guess I've made may be insane, but if it's right one or two lives will be cheap enough as a price for the information. Suppose you chaps turn around and take me to Ribiera's house?"

There was a long pause. Then Jamison spoke in Portuguese to his companion. The taxi checked, swerved, and began to retrace its route.

"You're a junior in the Trade," said Jamison painstakingly. "I can't order you to do it."

Bell fumbled with his cigarette case.

"The Trade doesn't exist, Jamison," he said dryly. "And besides, nobody gives orders in The Trade. There are only suggestions. Now shut up a while. I want to try to remember some consular reports I read once, from the consul at Puerto Pachecho."

"What?"

"The consul there," said Bell, smiling faintly, "was an amateur botanist. He filled up his consular reports with accounts of native Indian medicinal plants and drugs, with copious notes and clinical observations. I had to reprove him severely for taking up space with such matters and not going fully into the exact number of hides, wet and dry, that passed through the markets in his district. His information will be entirely useless in this present emergency, but I'm going to try to remember as much of it as I can. Now shut up."


hen the taxi swung off the Biera Mar to thread its way through many tree-lined streets—it is a misdemeanor, punishable by fine, to cut down a tree in Rio de Janeiro—it carried a young American with the air of an accomplished idler, who has been mildly bored by the incomparable view from the waterside boulevard. When it stopped at the foot of one of the slum covered morros that dot all Rio, and a liveried doorman came out of a splendid residence to ask the visitor his name, the taxi discharged a young American who seemed to feel the heat, in spite of the swift motion of the cab. He wiped off his forehead with his handkerchief as he was assured that the Senhor Ribiera had given orders he was to be admitted, night or day. When the taxi drove off, it carried two men on the chauffeur's seat, of whom one had lost, temporarily, the manner of haughty insolence which is normally inseparable from the secretary of a taxicab chauffeur.