136 The Alligator and Its Allies 
main divisions: (1) the ophthalmic branch, (2) 
the superior maxillary branch, and (3) the inferior 
maxillary branch. (1) The ophthalmic in turn 
divides into two branches: the smaller, frontal, 
going to the integument of the upper and lower 
eyelids; the larger, nasal, going chiefly to the nasal 
cavity but also sending some small branches to the 
upper and lower eyelids. (2) The superior maxil- 
lary branch separates into a number of divisions: 
(a) a branch that, in the neighborhood of the 
auditory capsule, fuses with the facial nerve; (b) 
a twig to the integument of the forehead and 
to the upper and lower eyelids; (c) a branch to the 
Harderian gland and the conjunctiva; (d) a branch 
to the neighborhood of the cheek, to the angle of 
the mouth, and to the palatine branch of the facial 
nerve; (e) a branch to the palate; (f) a branch to 
the integument of the upper jaw; (g) a branch to 
the teeth of the upper jaw. (3) The inferior 
maxillary branch divides into four branches: (a) 
this division supplies the skin of the cheek 
region; (b) a branch to the chewing muscles; (c) 
a branch that divides into two nerves—the 
first going to the skin of the lower jaw, the 
second dividing again into two nerves, both of 
which lead to the integument of the lower jaw; 
(d) the fourth division of the inferior maxillary, 
known as the inferior alveolar, itself divides into 
two twigs—(a’) the first twig divides into two 
parts, a larger and a smaller, both of which lead, 
