PRENATAL GROWTH 



23 



Fig. 29. — Face of a Human Embryo after Completion of the Upper Jaw. (McMurrich 



from His.) 



Fig. 30. — Chart Showing Average Postnatal Growth in Height and Weight. 



12 3 4 



6 6 7 8 9 lo 11 12 



"Year-s of ag"e 



13 14 15 Ui 17 18 10 20 



