MITOSIS IN CENTRAL NERVOUS SYSTEM ool 
Fig. 2 Distribution of the dividing cells in five consecutive sections cut through 
the frontal lobe of the cerebrum dorsal to the olfactory lobe. 25. 
Fig.3 Distribution of the dividing cells in five consecutive sections cut through 
the optic chiasma.  X 25. 
Fig. 4 Distribution of dividing cells in five consecutive sections cut through 
the mid-brain and the occipital lobes of the cerebrum posterior to the lateral 
ventricles. < 25. 
THE JOURNAL OF COMPARATIVE NEUROLOGY, VOL. 22, No. 6 
