476 HALBERT L. DUNN 
on 
| 
(0) —-——— 
0 | g 3 4 5 6 iG 8 9 = [Omos. 
Fig. 35 A series of curves illustrating the growth of the cerebellum, pons and 
medulla, midbrain, and spinal cord. Abscissa: fetal months (crown-heel re- 
duced to time by Mall’s convention). Ordinates: volumes of the cerebellum, 
pons and medulla, midbrain, and spinal cord. (Data from the formulae in table 
43.) I, cerebellum volume. II, pons and medulla volume, III, midbrain 
volume. IV, spinal cord volume. 
