( 465 ) 



TABLE IX. 



Systematic Survey of the most important homologies between the human 

 embryo, the embryo of the Ascidian, and developed Amphioxus on the 

 one hand, and on the other hand, the developed Man. 



I. Products of tho Differentiation of the Skin-layer. 



IL Products of the Differentiation of the Intestinal layers. 



