The professor had begun, as he always began, by saying that it was quite easy to explain; which was doubtless true, as he was always explaining it. But he often ended by affirming fallaciously that it was quite easy to understand, and it would be an exaggeration to say that it was always understood. Anyhow, he was just about to read his great paper on his great theory at the great Astronomical Congress that was to be held that year at Bath; which was one reason why he had pitched his astronomical camp, or emplaced his astronomical gun, in the house of Farmer Dale on the hills of Somerset. Mr. Enoch Oates could not but feel the lingering hesitation of the landlord when he heard that his protégés the Dales were about to admit an unknown stranger into their household. But Pierce sternly remin
