Christine briefly wonders why he's so adamant that it's a wolf, especially after she agrees with him, but they move on and it seems silly to backtrack and talk about it more. It's probably a wolf; they have no idea if it's still there, so all they can do is keep searching the place.

"You don't suppose there's anything hidden behind the bookcases, do you?" She moves to examine the floor, to see if there are any scratch marks there from dragging bookcases away. If that's even possible. Perhaps it's all built into the walls.