c 



c 



D 



D 



Fig. 4. 



Fig. 5. 



Fig. 6. 



Diagrams to illustrate the distribution of food materials of a constant amount (K), to the limbs 

 of an unoperated crayfish (Fig. 4), a crayfish of Series A (Fig. 5), and a crayfish of Series B (Fig. 6). 



