road; every rut, stone, and curve are seen and appreciated; the
possibility of collision is understood, and every danger is
present in the mind, and with it all the thrill of excitement
which ever accompanies risk.

During the entire descent the Professor was in blissful ignorance
of the loss of control. To him the hill was like many another that
we had taken at top speed; but when he saw the rear wheel far out
from the carriage with only about twelve inches of axle holding in
the sleeve, and understood the loss of control through both chain
and brakes, his imagination began to work, and he thought of
everything that could have happened and many things that could
not, but he remarked philosophically,--

"Fear is entirely a creature of the imagination. We are not afraid
of what will happen, but of what may. We are all cowards until
confronted with danger; most men are heroes in emergencies."

Detaching a lamp from the front of the carriage, repairs were
made. A block of wood and a fence rail made a good jack; the gear
case was opened up, the axle driven home, and the set-screws
turned down tight; but it was only too apparent that the screws
would work loose again.

The next morning we pulled out both halves of the axle and found
the key-ways worn so there was a very perceptible play. As the
keys were supposed to hold the gears tight and the set-screws were
only for the purpose of keeping the axle from working out, it was
idle to expect the screws to hold fast so long as the keys were
loose in the ways; the slight play of the gears upon the axles