*^— -/»— I 



Plate IV. 



Figs. 10-15 {Page 113). — Successive stages in the regeneration of a double extra claw on a 

 second right walking leg. (1^ x.) 



Fig. 10. — Thirty-fifth day after the amputation of the original leg, showing the development 

 of an extra bud (1 , 2). (Posterior view.) 



Fig. 11. — Forty-third day of regeneration. (Posterior view.) 



Fig. 12. — Anterior view of the extra bud. 



Fig. 13. — Forty-eighth day. Extra bud had been accidently injured and pushed upward. 

 (Posterior view.) 



Fig. 14. — Anterior view of the extra bud. 



