"Kat, you must wear this," she said. "It was your mother's when
she was a little girl."

Now, this apron was all faded, and it had patches on it of
different kinds of cloth. Kat looked at her best dress. Then she
looked at the apron. Then she thought about the milk cart. She
wondered if she wanted to go in the milk cart badly enough to
wear that apron over her Sunday dress! She stuck her finger in
her mouth and looked sidewise at Grandmother Winkle.

Grandmother didn't say a word. She just looked firm and held up
the apron.

Very soon Kat came slowly--very slowly--and Grandmother buttoned
the apron up behind, and that was the end of that.

The Twins could hardly eat any breakfast, they were in such a
hurry to go. As soon as they had taken the last spoonful, and
Grandfather Winkle had finished his coffee, they ran out into the
place where the dogs were kept, to help Grandfather harness them.

There were two black and white dogs. Their names were Peter and
Paul.

The wagon was small, just the right size for the dogs; and it was
painted blue. The bright brass cans full of milk were already in;
and there was a little seat for Kat to sit on.

When the last strap was fastened, Grandfather lifted Kat up and
set her on the seat. She held on with both hands.