Because it was ruffled and split.
“And a cone of old silk you had dropt to the ground
(Choice articles both, I confess),
That one of those great human creatures had found,
And made somehow into a dress;
“And when it was finish’d (you wouldn’t suppose
Such queer, unaccountable pride),
The creature imagin’d because of its clothes
’Twas better than any beside.
“It walked to and fro for its fellows to see,