Oh, and on a side note, I live in the south (grew up in NYC), and Bones never had much of a "southern" accent. It was more Western then anything IMHO (and even then waaay light).
Remember DeForest had played in many westerns and to me that is the tack he took.
"I'll break out of this zoo somehow and get to you. Is your blood red like ours? I'm gonna find out. "-Captain Christopher Pike