Fig. 24. The little house fly (Homalomyia brevis} ; antennae and larva 

 at right; greatly enlarged. (Author's illustration.) 



Fig. 25. The stable fly (Muscina stabulans) ; larva at right; greatly 



enlarged. Anatomical details b, c, d, e, g, h, i, still more 



enlarged. (Author's illustration.) 



