"I am, sir."

"Could you manage two costumes for the Vierle Masque?"

"Quite readily, sir."

"Very good," I said. "And let them be as near alike as possible," I added.

By this time the Field was almost deserted, and, at Lady Helen's suggestion, Courtney and I turned our horses over to my orderly and drove back with her.

"I suppose," said I, "that fancy dress is required to-night."

"It is absolutely de rigueur," said Courtney; "and there is no unmasking."

"Really!" said I. "It promises very well."

"And it realizes all it promises—maybe, a bit more," Lady Helen laughed.

"How shall I recognize you?" I asked.