PLATE 17 
EXPLANATION OF FIGURES 
70 Transection through the posterior pole of the hemisphere and the nucleus 
magnocellularis. Toluidin blue method. x 46. 
71 A group of cells of the nucleus magnocellularis. Toluidin blue method. 
x 575. 
72 Transection slightly caudal to the level shown in fig. 69. Ramén y Cajal 
method. X 46. 
fase. med. hem. <——, fasciculus medialis hemisphaeril; nucl. entoped., nucleus 
entopeduncularis; mnucl. intermed., nucleus intermedius; nucl. preopt., pars 
magnocell., nucleus preopticus, pars magnocellularis; nucl. preopt., pars parvocell. 
lat., nucleus preopticus, pars parvocellularis lateralis; tr. entoped. hab., tractus 
entopedunculo-habenularis; tr. olf. hyp. lat. <-—, tractus olfacto-hypothala- 
micus lateralis; tr. praeth. cin., tractus praethalamo-cinereus; tr. preopt. 
entoped. <——, tractus preoptico-entopeduncularis; tr. preopt. intermed., pars 
lat., tractus preoptico-intermedius, pars lateralis; tr. preopt. intermed., pars med. 
<———, tractus preoptico-intermedius, pars medialis; tr. strio-thal. cruc. <——, 
tractus strio-thalamicus cruciatus; tr. strio-thal. incruc. ——, tractus strio-tha- 
lamicus incruciatus; tr. ten., tractus teniae. 
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