"Where's—Nell's?"

The woman frowned. "Oh, that's a swell place," she said. "Senators and millionaires. Too high for us to fly."

Mrs. Cresswell winced. "But where is it?" she asked.

"We'll walk by it if you want to."

And Mary Cresswell walked in another world. Up from the ground of the drowsy city rose pale gray forms; pale, flushed, and brilliant, in silken rags. Up and down they passed, to and fro, looking and gliding like sheeted ghosts; now dodging policemen, now accosting them familiarly.

"Hello, Elise," growled one big blue-coat.

"Hello, Jack."

"What's this?" and he peered at Mrs. Cresswell, who shrank back.

"Friend of mine. All right."

A horror crept over Mary Cresswell: where had she lived that she had seen so little before? What was Washington, and what was this fine, tall, quiet residence? Was this—"Nell's"?