Genesis 15:10

Abram brought all these to him, cut them in two and arranged the halves opposite each other; the birds, however, he did not cut in half.

(New International Version)

Then he brought all these to Him and cut them in two, and laid each half opposite the other; but he did not cut the birds.

(New American Standard Bible)

And he took unto him all these, and divided them in the midst, and laid each piece one against another: but the birds divided he not.

(King James Version)