Hermione chattered happily as she "The water is for Crocell. The berries are for Andrealphus, because he takes the form of a peacock and I read that peacocks love berries. Did you know that "mensuration’ means measurement? He loves that a lot. He loves geometry too, and he’s been helping me learn how to calculate volumes and areas of two and three-dimensional shapes. The worms are for Camio – he looks like a thrush, but he has claws on his wings that act like his hands. He says he can teach me how to understand birds, if I want to. But I have to help empower him so he can fly about the mortal earth for a month, and go wherever he likes. Do you think that’s a good deal, Daddy?"