Peter tried to smile, but he felt out of it and observed.

He stared up towards the band, which was just striking up again.
Suddenly he became conscious, as one will, that someone was particularly looking at him.

He glanced back over the chairs, and met a pair of eyes, roguish, laughing, and unquestionably fixed upon him.

The moment he saw them, their owner nodded and telegraphed an obvious invitation.

Peter glanced at Donovan: he had not apparently seen.