452 NERVOUS SYSTEM AND SENSE ORGRNS OF AMIURUS. 
PLATE V.—(Continued). 
Tr. Cer. ad LI,—Tractus cerebelli ad lobum inferiorem. 
Tub, Ac.—Tuberculum acusticum. 
Tub. Cin.—Tuber cinereum. 
VLI.—Ventriculus lobi inferioris. 
VLO.—Ventriculus lobi optici. 
V. J/7.—Ventriculus tertius. 
V. 1V.—Ventriculus quartus. 
Vent. com.—Ventriculus communis. 
Vag. I. & I, S. & M.—Sensory and motor roots of the first and second. 
parts of the vagus group. 
Val. Cer.—Valvula cerebelli. 
