I've run the griffon route countless times, and can't remember for the life of me how many sets of bones were along it. I was positive there was just one, but having just run it again, I've noticed a second pair right near it (which is why I'm positive there was only one to begin with).
I'm going insane right now, thinking it may have some kind of hidden message to it. So if someone could confirm if its old or new, I would appreciate it.