770 NERVOUS SYSTEM OF THE HORSE 
The fourth or trochlear nerve may be seen emerging between the pons and the 
cerebral hemisphere, but its connection with the brain is not visible. 
The fifth or trigeminal nerve is connected with the lateral part of the pons. 
Fic. 629.—Base or Brain or Horse ABour NaTuRAL Size. 
Hardened in situ. 
The sixth or abducent nerve arises just behind the pons and lateral to the 
pyramid of the medulla. 
The seventh or facial and the eighth or acoustic nerves arise close together 
just behind the pons on the extremity of the corpus trapezoideum. 
