DYNAMICS OF MORPHOGENESIS 



TABLE 14— Continued 



435 



III. CONCLUSIONS 



A number of conclusions which will be shown later to be of the 

 greatest importance for an understanding of the process of 

 reconstitution are to be drawn from the data presented in the 

 tables above. These are briefly stated and discussed in the fol- 

 lowing paragraphs. 



1. A temporary increase in rate of metabolism, a ^stimulation^ 

 lasting at least several hours, results from the act of section. 



Such a stimulation is to be expected for the act of section severs 

 nerve cords and of course produces extensive injury to other tissue. 

 Susceptibility determinations of pieces three hours after section, 

 of which the records are not given, show that at that time the 

 susceptibihty is as high as immediately after section. From this 

 time on it gradually decreases and twelve hours after section the 

 susceptibility of the pieces is about the same as that of the unin- 

 jured animals. 



