in any other quadruped.

The olfactory nerves are small, and so are the optic nerves; but the
fifth pair, which supply the muscles of the face, are uncommonly large.
From this circumstance, we should be led, Mr. Home says, to believe, that
the sensibility of the different parts of the bill is very great, and
therefore that it answers the purpose of a hand, and is capable of nice
discrimination in its feeling.

The eye is very small, and is nearly spherical. There is a membrana
nictitans; and the eyelid is very loose upon the eyeball: it is probably
capable of great dilatation and contraction.

The membrana tympani is larger than in other quadrupeds of the same size.

The organs of generation in this animal have several peculiarities of a
very extraordinary nature.

The male organs do not appear externally; so that the distinguishing mark
of the sex is the spur on the hind leg.

The testicles are situated in the cavity of the abdomen, immediately
below the kidneys: they are large for the size of the animal. The
epididymis is connected with the body of the testicle by a broad
membrane, which admits of its lying very loose.

The penis in this animal does not, as in other quadrupeds, give passage
to the urine. It is entirely appropriated to the purpose of conveying the
semen; and a distinct canal conducts the urine into the rectum, by an
opening about an inch from the external orifice of the intestine. The gut
at this part is defended from the acrimony of the urine, by the mucus
secreted by two glands, which, probably for this reason, are very large
in the male, but small in the female.

The penis is short and small in its relaxed state; and its body does not
appear capable of being very much enlarged when erected. The prepuce is a
fold of the internal membrane of the verge of the anus, as in the bird;
and the penis, when retracted, is entirely concealed.

The glans penis is double; one glans having its extremity directed to the
right, the other to the left: and as they supply two distinct cavities
with semen, they may be considered as two penises. This is an approach to
the bird kind, many species of which have two. There was no appearance of
vesiculae feminales.

The female organs open into the rectum, as in the bird. The vagina is 11/2
inches long: its internal membrane is rugous, the rugae being in a
longitudinal direction. At the end of the vagina, instead of an os
tincae, as in other quadrupeds, is the meat