Will Henry pockets that pastry, not knowing what kind of food will be available when he gets to the Doctor who refused to cook let alone be bothered getting groceries. He considers the skeletons reply.

"Skeletosmultisformarus," Will Henry supplies helpfully. He had worked in the Monstrumarium for months, there was nothing but specimens with their ridiculous latin designations. "But the Turnbone could be your common designation."

The only two people in all of Aefenglom who would get this joke also wouldn't have humored him in it, so Will Henry himself almost doesn't even bother to see the humor in it. What a serious boy....