"Very few of the old s interfere with the duties of their assistants, but there be men who seem to think you have merely come to the service to learn, not to practise your profession, and therefore they treat as mere students, or at the best hobble-de-hoy doctors. Of this class was Dr. Gruff, a man whom I would back against the whole profession for , , , or ; but who, I rather suspect, never prescribed a dose of , , or in his life."