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BtJLLETiN 136&, U. S. DEPARTMeISTT OF AGElCtJLTUfiE 



Pig. 16. — Hypoderma lineatum: a, Fiftb-stage larvs, newly molted to mature 

 (ventral view, except mature larva, which is dorsal) ; 6, fifth-stage larva, 

 dorsal view ; c, section of ventral side of mature larva ; d, puparium after 

 emergence of fly, dorsal yiew ; e, ventral view of pupa ; f, puparium, 

 side view 



