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16 
Figs. 14 to 18 Five transverse sections through the brain of Rana pipiens 
prepared by the silver method of Cajal. X 20. The specimens were much 
distorted by shrinkage during preparation, as will be seen by comparison with 
figures 1 to 12. 
Fig. 14 Section taken a short distance rostral to the lamina terminalis be- 
tween the levels of figures 2 and 3. 
Fig. 15 Section through the rostral end of the lamina terminalis between the 
levels of figures 3 and 4. 
Fig. 16 Section immediately rostral to the interventricular foramen at about 
the level of figure 4. The amygdala forms an eminence projecting into the lat- 
eral ventricle. It is connected with the ventromedial olfactory centers by the 
stria terminalis above the lateral forebrain bundle and by the diagonal band of 
Broca below this bundle. 
