Fig. 14. The two maxillæ. — a palp; b mentum; c hypopharynx, 
latter. Below these bristles we find a coarse fringe of long, very 
fine, kneed hairs representing the brushing part of the mandible; 
they are inserted in an arch beginning beneath the comb-teeth, 
bordering the inner edge of the mandible, and then, at about the 
19? 
