Plate XVI. as, aqueduct of Sylvius; bs, brachium of anterior colliculus; 

 cf, column of the fornix; eg, central gray matter; cpt, posterior 

 commissure; d\t, ventral tegmental decussation; fd, fascia dentata; 

 fh, hippocampal fissure; fhe, external hippocampal fibres; fhs, 

 fasciculus hippccampo-subsplenialis; fm, fasciculus retroflexus; frh, 

 rhinal fissure; gm, medial geniculate body; h, hippocampus; i, 

 infundibulum; Im, medial lemniscus; nc, neocortex; npr, posterior 

 nucleus of thalamus; pp, basis pedunculi; pyc, pyriform cortex; 

 sg, stratum griseum of anterior colliculus; sn, substantia nigra; 

 soa, optic layer of stratum opticum; sob, non-optic layer of stratum 

 opticum; sz, stratum zonale; tc, tuber cinereum; tg, mamillo- 

 tegmental tract; vd'a, mamillo-thalamic tract; vl, lateral ventricle; 

 vt, third ventricle. 



