Read it through once

With eyes fixed upon the ground they crept slowly across a strip of the field, returning a little further down in such a manner that, when they should have finished, not a single inch of the pasture but would have fallen under the eye of some one of them. It was a most tedious business, not more than half a dozen shoots of garlic being discoverable in the whole field; yet such was the herb’s pungency that probably one bite of it by one cow had been sufficient to season the whole dairy’s produce for the day.