312 LEONARD P. SAYLES. 



PLATE III. 



Regenerates. 



FIG. 12. Six-day posterior regenerate. Setigerous glands producing new setae. 



FIG. 13. Two-day anterior regenerate. Spindle-shaped cells of ectoderm 

 migrating into bud cavity. 



FIG. 14. Two-day anterior regenerate. Neoblasts metamorphosing on the 

 posterior surface of the fifth septum from the wound. Arrow points toward 

 anterior end. 



FIG. 15. Two-day anterior regenerate. Neoblasts at anterior end ot nerve 

 cord. 



FIG. 16. Three-day anterior regenerate. Metamorphosed cells of ventral 

 ectoderm. 



