THE CART-HORSE. 101

at the rate of four miles an hour. In the
course of this time he was stopped four times, to
show that it was not by the impetus of the de-
scent the power was acquired. After each stop-
page, a chain of four waggons was added to the
cavalcade, with which the same horse again set
off with undiminished power. And, still farther
to show the effect of the railway in facilitating
motion, the attending workmen, to the number
of about fifty, were directed to mount the
waggons ; still the horse proceeded without the
least distress; and, in truth, there appeared to
be scarcely any limitation to the power of his_
draught. After the trial, the waggons were taken
to the weighing machine, and it appeared that
the whole weight which he had dragged with so
much ease weighed upwards of fifty-five tons!”

‘That was an extraordinary load, indeed,
Uncle Thomas ! ”’

“It was so, Frank. But there are several
stories illustrative of the sagacity of the horse,