2nd ENTOMOLOGICAL CONGRESS, 1912. 



PI. XX. 



Fig. i<S. — Comiilcte am])ulati()n in ^rd instar. 



,, 19. — Complete amputation in ,^rd instar. 



,, 20. — Tm])erfect amputation in 3rd in.star. 



,, 21. — .\mputation in base of femur in 4th instar. 



CHA PMA iV.— REGENER ATION. 



