GROWTH OF THE FETAL CENTRAL NERVOUS SYSTEM 481 
ia 
ite 
Uy 
Px ose 
G7» 
y » 
E, ca. 22.5 em. C H length. F, ca. 27.5 cm. CH length. G, ca. 32.5 em. C H 
length. H, ca.37.5em.C H length. I, ca. 42.5 cm. CHlength. J, ca. 47.5 cm. 
CH length. K, ca. 52.5 cm.C H length. 
