106 



SUPER-ORGANIC EVOLUTION 



selves seemed to have increased their volume, as if 

 their activity had attracted towards them a greater 

 amount of nutritive juices. There was, however, 

 no sensible change in the relative position of the 

 terminal masses of the pericellular nests, as, during 



FIG. 20. 

 a, nerve in activity ; &, nerve in repose. 



the state of hibernation, they are in contact with 

 the membrane, always ready, so to speak, to 

 transmit to the cell the impressions received. 



"Fig. 20 gives an idea of these surprising 

 changes. The motor cell b is in the winter state 



