3IO LEONARD P. SAYLES. 



PLATE II. 



Regenerates. 



FIG. 6. Two-day posterior regenerate. Gut cells of second segment from 

 wound. 



FIG. 7. Same individual as in Fig. 6. Gut cells of tenth segment from wound. 



FIG. 8. Same individual as in Fig. 6. Double nucleoli in gut cells of fourth 

 segment from the wound. 



FIG. 9. Three-day anterior regenerate. Nephridial cells in a position in 

 which they might be mistaken for neoblasts. Arrow points toward the anterior 

 end. 



FIG. 10. Twelve-hour posterior regenerate. Enlarging ectodermal cells in 

 wound region. 



FIG. ii. Posterior regenerating bud at the end of two days. 



