PLATE II. 



Fig. i. Eristalis tenax, wing. 



» 2. Erisialis taniops, wing. 



» 3. Eumerus amcenns, wing. 



» 4. Mesembrius capensis, hind leg, male. 



» 5. Xanthogranvna segyptium, hind leg, male showing spine on trochanter. 



» 6. X. agyptium, left front leg of male, showing bicuspidate inner claw. 



)> 7. Mesembrius capensis, hind tibia and basal tarsus of male showing globiferous 

 hairs. 



» 8. Syritta spinigera, hind leg, male. 



i) 9. Mesembrius capensis, squamula. 



i) to. Eumerus amainus, squamula. 



» 11. Eumerus amwtius, antenna. 



» 12. Syritta spinigera, hypopygiun:. 



