MEMOIR 38 



PLATE XCV 



528 



529 



527 



524 



525 



TIPULA DEJECTA, T. USITATA, AND T. TRIVITTATA 



Tipula dejecta, larva: 524, men turn; 525, hypopharynx; 526, spiracular disk 



Tipula usitata, larva: 527, fifth abdominal segment, dorsal aspect; 528, spiracular disk 



Tipula trivittata, larva: 529, spiracular disk 



1126 



