A few voices say, faintly and with hesitation, "First of Corinthians."
"I perceive your answers become fainter and fainter. Do you know what is the last book of the New Testament?"
The boys answer promptly, "Revelations."
"Do you know what books are between the Acts and the book of Revelation?"
Some say, "No sir;" some begin to enumerate such books as occur to them, and some perhaps begin to name them promptly, and in their regular order.
"I do not mean," interrupts the teacher, "the names of the books, but the kinds of books."
The boys hesitate.
"They are epistles or letters. Do you know who wrote the letters?"
"Paul," "Peter," answer many voices at once.
"Yes, there were several writers. Now the point which I wish to bring before you is this; do you know in what order, I mean on what principles, the books are arranged?"