The cat was of a jet black color, and her fur was very soft and glossy.

It was as soft as silk.
"This cat was very mischievous and very sly.

She was _very_ sly: very indeed.

In fact she used to go about the house so very slyly, getting into all sorts of mischief which the people could never find out till afterwards, that they gave her the name of Sligo.

Some people said that the reason why she had that name was because she came from a place called Sligo, in Ireland.