12 BOTANIC PHYSICIAN. 
edg the . Use) 
canal; the wedge palate holes, and the front palate hole a 
Sinn the organ of smelling, and the pituitary canals, and to serve 
Og of the Mouth.—Its shape, situation and use, are well known. 
The Teeth—Are situated in the sockets of the jaws. They are 
the ty 
_ throat, upper end of the windpipe, and gullet, and bone of the 
Bone of the Tongue—Situated in the back part of the throat, be- 
tween the base of the tongue and the top of the windpipe. In Shape, 
it resembles a half moon. There are two larger horns and two lesser 
1orns. Tt serves for the adhesion of the tongue, for swallowing, 
and for a point of adhesion to many muscles. It is connected with 
___ the pencil process of the temple bones, the lower jaw, shoulder-blade, 
Oe ae 
each temple bone. It is divid into the external hearing canal, — 
cavity of the drum, labyrinth, and internal hearing canal. In the _ 
_. cavity of the drum, are: the orifice of the Eustachian tube, the 
—— breast-shaped cana!, the oval window, the round window, and the 
little hearing bones. The labyrinth consists of the shell, court, and 
semi-circular canals. The shell has a base, top, nucleus, court, lad- 
der, and a spiral plate. The court has an oval hole and the orifices 
of the semi-circular canals. The cavity of hearing is the organ in 
which hearing is performed. : = ae = 
Phedliitle Hearing Bones—Ate placed in the cavity of the drum. 
« In number, they are four ; the hammer, the anvil, the stitrup, and the 
round bone. In substance, they are compact. Use, for hearing. 
OF THE TRUNK. 
aoe one the stelctan a divided. into a spine, chest, loins, 
SPINE. 
A long column, or pillar, which extends ans the head ae 
_-- Oints, viz. seven of the neck, twelve of che aad “a — et 
en 
