It is impossible fully to understand how this remarkable animal
does its work, for as it never toils in the day time, it is out of
the power of any one to watch its method.

The peculiar odoriferous substance, secreted in two glandular sacs
near the root of the tail, is "castoreum," more generally known as
"bark stone" among the trappers. The odor is powerful and is so
attractive to the animals themselves, that the trapper has only
to smear some of it near the trap which is hidden under water. Any
beaver which catches the scent, is sure to hasten to the spot and
is almost certain to be caught in the trap.



CHAPTER VIII.


Carson and two Companions set out on a Trapping Expedition of Their
Own -- They Meet With Great Success -- Is Engaged by Captain Lee
-- Carson's Pursuit of an Indian Thief.

Kit Carson finally grew tired of wandering over the country without
gaining sight of a beaver. He proposed to two of his companions
that they start on a private expedition of their own. They were as
disgusted as he and eagerly agreed to the proposition.

The employers of the men commended the enterprise of the little
company and gave them their best wishes. Cordial farewells were
exchanged all around, and Kit and his comrades left the camp on