Sorry to hear that SBG, I know the feeling and it stinks. I tend to agree with the posts so far as to where the arrow probably struck the deer.In this particular case the lack of blood is a good thing, like Rob stated that would seem to indicate nothing vital being hit (probably just flesh and muscle)and the deer will likely recover from his close encounter relatively quickly. Don't be surprisedif you don't see him for a while asyou probably just made him a little smarter. I know it's a rough feeling but don't be to hard on yourself, it sounds as though you did everything you could to locate the deer and then some.Good luck with the rest of your season.