PLATE 9 
EXPLANATION OF FIGURES 
37 Transection through the anterior commissure. Ramén y Cajal method. 
< 46. Shows particularly the decussation of the tractus strio-thalamicus crucia- 
tus. 
38 Transection through the anterior commissure. Toluidin blue method. 
< 46. Shows with great clearness the limits of the pars supracommissuralis of 
the corpus precommissurale, the sulcus limitans telencephali, the nucleus olfac- 
torius dorsalis and the bed of the anterior commissure, the pars commissuralis of 
the precommissural body. 
corp. precom., pars com., corpus precommissurale, pars commissuralis; corp. 
precom., pars supracom., corpus precommissurale, pars supracommissuralis; dec. 
tr. hyp. olf. med. + com. hipp., pars post., decussatio tractus hypothalamo-olfac- 
torii medialis plus commissura hippocampi, pars posterior; dec. tr. strio-thal. 
cruc., decussatio tractus strio-thalamici cruciati; necl. com. lat., nucleus com- 
missuralis lateralis; nucl. olf. dors., nucleus olfactorius dorsalis; nucl. olf. lat., 
nucleus olfactorius lateralis; nucl. pyr., nucleus pyriformis; nucl. teniae, nucleus 
teniae, the nucleus taeniae of Edinger, Kappers and Goldstein; palaeostr., pal- 
aeostriatum; rec. preopt., recessus preopticus; s. lim. tel., sulcus limitans tel- 
encephali; tr. hyp. olf. med., tractus hypothalamo-olfactorius medialis; tr. olf. 
med., pars. lat., tractus olfactorius medialis, pars lateralis; tr. olf. med., pars 
lat. + com. hipp., pars post., tractus olfactorius medialis, pars lateralis plus com- 
missura hippocampi, pars posterior; tr. olf. that. med., pars. vent., tractus olfacto- 
thalamicus medialis, pars ventralis; tr. med. preopt., pars. ant., tractus mediano- 
preopticus, pars anterior; (r. strio-thal., tractus strio-thalamicus; ¢r. strio-thal. 
incruc., tractus strio-thalamicus incruciatus. 
