Kern has room 117, its key is on the wall board. The clerk let the key falling on the floor while McLeod is grabbing his beard.
However, a second later, the clerk gives the key to McLeod. He couldn't pick it up because McLeod is still holding him.
Kern shows Duncan the scalps he obtained from the slaughter of the tribe. When Duncan finds them, none of the bodies have been scalped.
When Duncan is trying to lift Little Dear's dead body, she moves to facilitate his effort.