STRUCTURE OF THE LOBES OF THE CEREBRUM. 



407 



pus callosum with foreign fasciculi may be microscopically 

 demonstrated, and any confounding of them with connective 



Fig. 243. 



Fig. 243. Horizontal section of the left half of the hemisphere of 

 Cercocebus cinomolgus. F, Frontal extremity ; 0, occipital extremity 

 of the hemisphere ; FS, entrance into the Sylvian fissure ; J, insula ; 

 67, claustmm (vormauer) ; T, trabecula ; S, septum ; Ca, anterior com- 

 missure ; A, cornu Ammonis ; F", Fjp, anterior and posterior cornua of 

 the lateral venticles ; Fra, middle ventricle ; Cm, middle commissure ; 

 Aq, aquaeductus Sylvii ; T' } trabecular tapetum ; Jti, J&n, Liu, the 

 segments of the lenticular nucleus ; JVc, No,, head and tail of the 

 nucleus caudatus ; Th, mass of the optic thalamus situated in front 

 of the corpora geniculata ; Th', tubercle of the optic thalamus; Qu, 



