I fancy we may as well give up that idea.

There's no bird but an eagle with wing strong enough to do what you wish." "The bird I was thinking of," rejoined Caspar, "is of the same _genus_ as the eagle.

I believe that's correctly scientific language.

Isn't it, my Buffon of a brother?
Ha! ha! Well, shall I name it?
Surely, you have already divined the sort of bird to which I allude ?" "No, indeed," replied Karl.

"There are no other birds in this valley of the same genus as the eagle--except hawks; and according to the closet naturalists, they are not of the same genus--only of the same _family_.
If you mean a hawk, there are several species in this place; but the largest of them could not carry anything over the cliff heavier than a string of twine.