PLATE 39 
EXPLANATION OF FIGURES 
139 Diagram of a horizontal projection of the olfactory centers showing 
in blue the pathways of the fibers entering into the composition of the fas- 
ciculus lateralis hemisphaerii. The ascending fibers are shown on the right, the 
descending on the left. > 12. 
fib. precom. str., fibrae precommissurales striatici; ér. olf. hyp. lat., tractus 
olfacto-hypothalamicus lateralis; tr. strio-thal. cruc., tractus strio-thalamicus 
cruciatus; tr. strio-thal. incruc., tractus strio-thalamicus ineruciatus; tr. thal. str. 
cruc., tractus thalamo-striaticus cruciatus; tr. thal. str. incruc., tractus-thalamo- 
striaticus incruciatus. (For other abbreviations see explanation of fig. 136.) 
302 
