68 



MAX MAYO MILLER 



I' 



<.o 



_i I i_ 



I II Cervical ^iii i 



Seqments of spinal cord 



Thoracic 



XII i Lumbar 



Fig. 7 Spinal cord of human embryo of 17 mm. 



< 1 II Cervical viii 



Segments of spinal cord 



Thoracic 



Lumbar v i Sac-Cc. 



Fig. 8 Spinal cord of human embryo of 31 mm. 



