iS) 
Fig. 13 Portion of the preceding section more highly magnified. Weigert- 
Pal. 33, left central tegmental tract; 34, medial lemniscus; 38, abnormal gray 
masses in ventral tegmentum; 40, aberrant pontile fibers; 47, superior olivary 
nucleus. 
Fig. 14 Portion of a section a short distance caudal to figure 15. Weigert- 
Pal. 34, medial lemniscus; 38, abnormal masses of gray in right reticular for- 
mation; 39, abnormal fiber bundles in right central gray and reticular formation; 
42, right superior cerebellar peduncle; 43, right mesencephalic trigeminal root. 
Fig. 15 Transverse section through the isthmus. Weigert-Pal. 33, left 
central tegmental tract; 39, abnormal fibers in right central gray; 42, right supe- 
rior cerebellar peduncle; 43, right mesencephalic trigeminal root; 44, left superior 
cerebellar peduncle; 45, left lateral lemniscus; 46, right lateral lemniscus; 47, 
left mesencephalic trigeminal root. 
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