"Dear Kangaroo," said she, "what was that song about?"

"I don't know," said the animal wistfully, "no one ever knows what the
Platypus sings about."

"It was very sad," said Dot.

"Dreadfully sad!" sighed the Kangaroo; "but the Platypus is a most learned
and interesting creature," she added hastily. "Its conversation and songs
are most edifying; everyone in the bush admits it."

"Does anyone understand its conversation?" asked Dot. She was afraid she
must be very stupid, for she hadn't understood anything except that Willy
Wagtail could help them to find her way.

"That is the beauty of it all," said the Kangaroo, "the Platypus is so
learned and so instructive, that no one tries to understand it; it is not
expected that anyone should."




CHAPTER V.



"Now we must find Willy Wagtail," said the Kangaroo. "The chances are
Click-i-ti-clack, his big cousin who lives in the bush, will be able to
tell us where to find him; for he doesn't care for the bush, and lives