threw myself passionately back in my chair, and for some moments buried my
face in my hands. When I uncovered my eyes, the apparition was no longer
apparent.

My host, however, had in some degree resumed the calmness of his demeanor,
and questioned me very rigorously in respect to the conformation of the
visionary creature. When I had fully satisfied him on this head, he sighed
deeply, as if relieved of some intolerable burden, and went on to talk,
with what I thought a cruel calmness, of various points of speculative
philosophy, which had heretofore formed subject of discussion between us.
I remember his insisting very especially (among other things) upon the
idea that the principle source of error in all human investigations lay in
the liability of the understanding to under-rate or to over-value the
importance of an object, through mere mis-admeasurement of its
propinquity. "To estimate properly, for example," he said, "the influence
to be exercised on mankind at large by the thorough diffusion of
Democracy, the distance of the epoch at which such diffusion may possibly
be accomplished should not fail to form an item in the estimate. Yet can
you tell me one writer on the subject of government who has ever thought
this particular branch of the subject worthy of discussion at all?"

He here paused for a moment, stepped to a book-case, and brought forth one
of the ordinary synopses of Natural History. Requesting me then to
exchange seats with him, that he might the better distinguish the fine
print of the volume, he took my armchair at the window, and, opening the
book, resumed his discourse very much in the same tone as before.

"But for your exceeding minuteness," he said, "in describing the monster,
I might never have had it in my power to demonstrate to you what it was.
In the first place, let me read to you a schoolboy account of the genus