of which there is a little herd, large and small. They are natives of
New Holland. The fore legs are seldom more than twenty inches in length,
whilst the hinder ones are sometimes three feet and a half long. They
rest on the whole length of the hind feet, supporting themselves by the
base of the tail, which, in truth, acts as a fifth leg, and is sometimes
used as a weapon, being of such strength as to break a man's leg at a
single blow. They move by leaps, which have been known to exceed twenty
feet. Several kangaroos have been kept in the park at Richmond, and
where they have produced young ones.