( 194 ) 



TABLE XXVI. 



Systematic Surrey of the Organ- Systems of the Human Body. 

 (N.B. The origin of the separate organs from the four secondary germ, 

 layers is indicated by the Roman numerals (I.-IV.) : I. Skin-sensory layer) 

 II. Skin-fibrous layer; III. Intestinal-fibrous layer; IV. Intestinal-gland, 

 ular layer.) 



