This little Australian girl, is she _laughing_ at him?
But the fact is that Perpetua is hardly thinking of him at all, or merely as a shadow to her thoughts.

Who _is_ he like?
that is the burden of her inward song.

At this moment she knows.

She lifts her head to see the professor standing in the curtained doorway down below.

Ah! yes, that is it! And, indeed, the resemblance between the two brothers is wonderfully strong at this instant! In the eyes of both a quick fire is kindled..