Sentence:  Is it not our very Caſe now, that when our Souls, Good-Names, Bodies and Fortunes are at Stake, we muſt be running out at Check, after every Crow, Buzzard, or Jack-daw that comes in the way, and leave the main Chance at laſt at Six and Seven? Nay, and here's this more in't too, that the <WSD>Quarry</WSD> would not be worth the taking up neither, if we could Catch it; beſide, that it flies away ſtill before us, and is never to be Overtaken. 
Meaning of the word marked with <WSD> tags:  An animal, often a bird or mammal, which is hunted.