FLIES FOUND IN HOUSES 



13 



Fig. 6. 



Fig. 



Fig. 8. 



Fig. 6. ' Nympii ' of M. doiiiestica dissected out of pupal case about 30 hours after 



pupation. (After Hewitt, 1908, PL XXX, fig. 10.) 

 Fig. 7. Pupal case (puparium) of AT. domestica from which the imago has emerged 



thus lifting off the anterior end or ' cap.' (After Hewitt, 1908, PL XXX, fig. 15,) 

 Fig. 8. Blow-fly (C. erythrocephala) a short time after emerging from puparium 



showing unexpanded wings, and ptilinum protruding in front of the head. 



Fig. 9. An Anthomyid fly immediately after emerging from the puparium showing 



the greatly distended ptilinum and unexpanded wings. 

 Figs. 10 and 11. Ventral and side views of the head of the same fly. 



