PLATE 37 
EXPLANATION OF FIGURES 
137 Diagram of a horizontal projection of the olfactory centers showing the 
connections of the nucleus pyriformis, nucleus teniae, nucleus olfactorius later- 
alis, and nucleus intermedius. On the right side are shown the tracts terminat- 
ing in these nuclei, on the left side the tracts originating in them. X 12. 
com. hab. (red), com. habenularum; tr. entoped. intermed. (red), tractus ento- 
pedunculo-intermedius; tr. hyp. olf. lat. (blue), tractus hypothalamo-olfactorius 
lateralis; tr. intermed. entoped. (red), tractus intermedio-entopeduncularis; ¢r. 
intermed. hab., pars ant. (red), tractus intermedio-habenularis, pars anterior; ¢r. 
intermed. hab., pars post. (red), tractus intermedio-habenularis, pars posterior; 
tr. intermed. posthab. (blue), tractus intermedio-posthabenularis; tr. intermed. 
preopt. pars ant. (ved), tractus intermedio-precopticus, pars anterior; tr. inter- 
mod. preopt., pars med. (red), tractus intermedio-preopticus, pars medialis; fr. 
olf. hyp. lat. (blue), tractus olfacto-hypothalamicus lateralis; tr. olf. lat. (blue), 
tractus olfactorius lateralis; tr. olf. lat., pars intermed. (blue), tractus olfactorius 
lateralis, pars intermedia; tv. olf. lat., pars med. (blue), tractus olfactorius later- 
alis, pars medialis; tr. olf. med., pars lat. (blue), tractus olfactorius medialis, pars 
lateralis; tr. posthab. intermed. (blue), tractus posthabenulo-intermedius; ¢r. 
praeth. cin. (blue), tractus praethalamo-cinereus; tr. preopt. intermed., pars ant. 
(red), tractus preoptico-intermedius, pars anterior; tr. preopt. intermed., pars 
lat. (red), tractus preoptico-intermedius, pars lateralis; tr. preopt. intermed., 
pars med. (red), tractus preoptico-intermedius, pars medialis; tr. ten. (red), trac- 
tus teniae, the tractus olfacto-habenularis of Kappers, Goldstein, ete. (For 
other abbreviations see explanation of fig. 136.) 
328 
