again."

The astonished birds at once obeyed, and when they had soared away
into the night air the knook closed the door and continued his
wandering through the streets.

By dawn he saw many interesting sights, but day broke before he had
finished the city, and he resolved to come the next evening a few
hours earlier.

As soon as it was dark the following day he came again to the city
and on passing the millinery shop noticed a light within. Entering
he found two women, one of whom leaned her head upon the table and
sobbed bitterly, while the other strove to comfort her.

Of course Popopo was invisible to mortal eyes, so he stood by and
listened to their conversation.

"Cheer up, sister," said one. "Even though your pretty birds have
all been stolen the hats themselves remain."

"Alas!" cried the other, who was the milliner, "no one will buy my
hats partly trimmed, for the fashion is to wear birds upon them. And
if I cannot sell my goods I shall be utterly ruined."

Then she renewed her sobbing and the knook stole away, feeling a
little ashamed to realized that in his love for the birds he had
unconsciously wronged one of the earth people and made her unhappy.

This thought brought him back to the millinery shop later in the
night, when the two women had gone home. He wanted, in some way, to
replace the birds upon the hats, that the poor woman might be happy
again. So he searched until he came upon a nearby cellar full of
little gray mice, who lived quite undisturbed and gained a
livelihood by gnawing through the walls into neighboring houses and
stealing food from the pantries.

"Here are just the creatures," thought Popopo, "to place upon the
woman's hats. Their fur is almost as soft as the plumage of the
birds, and it strikes me the mice are remarkably pretty and graceful
animals. Moreover, they now pass their lives in stealing, and were
they obliged to remain always upon women's hats their morals would
be much improved."

So he exercised a charm that drew all the mice from the cellar and
placed them upon the hats in the glass case, where they occupied the
places the birds had vacated and looked very becoming--at least, in
the eyes of the unworldly knook. To prevent their running about and
leaving the hats Popopo rendered them motionless, and then he was so
pleased with his work that he decided to remain in the shop and
witness the delight of the milliner when she saw how daintily her
hats were now trim