There is nothing but The little boy jumped up and down. There's no prepositional phrase in that. If you have more sentences and I will put answers in Ask for details.
The right answer for the question that is being asked and shown above is that: "<span>"Ah! Cornelius Agrippa! It is even possible that the train of my ideas would never have received the fatal impulse that led to my ruin. I read and studied the wild fancies of these writers with delight; "</span>
