N. Scalenus anticus muscle.
O. Lymphatic bodies of the posterior triangle of neck.
P. Superficial descending branches of the cervical plexus of nerves.
Q. Auricularis magnus nerve ascending to join the portio-dura.
R. Occipital artery, accompanied by its nerve, and also by some branches of the occipitalis minor nerve, a branch of cervical plexus.
S. Portio-dura, or motor division of seventh pair of cerebral nerves.
T. Parotid duct.
U. Facial vein.
V. Facial artery.
W. Submaxillary gland.