“We’ll consider that proposition some time, Steve,” he continued, rather hastily. “Meantime, perhaps my daughter could make a trial flight in your machine.”

“Perhaps,” said Steve, doubtfully.

“Will it carry two?”

“It would support the weight of two easily,” replied the young man; “but I would be obliged to rig up a second seat.”

“Do so, please,” requested Miss Cumberford, in her even, subdued voice. “When will it be ready?”

“The aircraft will be complete in about ten days from now; but before I attempt to carry a passenger I must give it a thorough personal test,” said Steve, with decision. “You may watch my flights, Miss Cumberford, if you wish, and after I’ve proved the thing to be correct and safe I’ll do what I can to favor you—if you’re not afraid, and still want to make the trial.”

“Thank you,” she said, and turned away.

“I’ll go myself, some time,” observed Mr. Cumberford, after a pause. “Flying interests me.”

Orissa was much amused. She had not known many girls of her own age, but such as she had met were all commonplace creatures compared with this strange girl, who at present seemed unable to tear herself away from the airship. Sybil did not convey the impression of being ill-bred or forward, however unconventional she might be; yet it seemed to Orissa that she constantly held herself firmly repressed, yet alert and watchful, much like a tiger crouched ready to spring upon an unsuspecting prey. In spite of this uncanny attribute, Orissa found herself powerfully drawn toward the peculiar girl, and resolved to make an attempt to win her confidence and friendship.

With this thought in mind she joined Sybil, who was again examining the aëroplane with rapt attention. While she stood at her side the girl asked, without glancing up: