Reference for Arakhin 27:8

הגדולה שבכהונה ואת הקטנה שבישראל

And if you like, say: Since it is about to teach, in the second part the Mishnah, concerning a field of possession which applies only to Israel, not to idolaters, because they do not possess fields [by inheritance in the Land],<span class="x" onmousemove="('comment',' An idolater could not, by Biblical law, redeem his field of possession for the payment of fifty shekels; he would have to repay its value.');">⁴</span>

Jastrow