Alcyone bit the inside of her cheek to keep from laughing in response to Miss Lestranges questions and managed to keep a straight face. Miss Lestrange did have a point though - how big was large? She was genuinely interested to know just how big one of these snail things could get. It was kind of creepy to think of them the size of an elephant. Her attention was on the professor, waiting to see what she was going to say.