Plate XII. be, brachiuni conjunctivum; hi, brachium of posterior 

 colliculus; bpo, brachium pontis; cer, occipital pole of cerebral 

 hemisphere; ci, posterior colliculus; cp, secondary fibres from dorsal 

 nucleus of lateral lemniscus, many of which cross in the commissure 

 of Probst; 11, lateral lemniscus with cells of its dorsal nucleus between 

 its fascicles; Im, medial lemniscus; npo, nucleus pontis; nr, nucleus 

 of the raphe; ntd, dorsal tegmental nucleus; ntv, ventral tegmental 

 nucleus; p, pyramidal tract; po, pons; rmes, mesencephalic V. root; 

 rmV., motor V. root; rsV., sensory V. root; tg, mamillo-tegmental 

 tract; tpo, tecto-pontine tract; tt, tecto-spinal tract; IV., root of 

 trochlear nerve. 



