Pharaoh sent] Into the land of Goshen, to see whether Gods people there, had a priviledge from this plague, which the Egyptians had not; he did not send upon the former plagues: for in some of them the wayes were scarce passable, or with much danger, as we see, vers. 3. &19. and when they were more safe, it may be, the triall came not into his thought: and he might send now the rather, to make up the losse of the Egyptian cattell, out of the Heards of the Israelites.