PLATE XV. 



1. Notops Brachionus . 



2. Notops hyptopus 



3. Notops clavulatus 



dorsal view ...... H 



side view H 



male ; side view H 



setae above the buccal funnel . . . H 



setae on a frontal prominence . . . H 



dorsal view H 



side view ....... H 



the same, showing vascular system . . H 



mastax H 



ventral view G 



side view . . G 



