EXPLANATION OF PLATE IV. 



Sybphid^. 



Fig. 1. Bristalissimulatus,sp.nov., head in pro^le, $; p. 177. 



2. „ Z(c^ws, Wied., thorax and abdomen, 5 ; p. 165. 



3. ,, sepulchralis, L., abdomen ; p. 161. 



4. „ obUqims,'Wiec\., ahdomen; p. 164. 



5. ,, polychromatus, sp. iiov., abdomen ; p. 180. 



6. „ arvorum, F., abdomen, S ', P- 181. 



7. ,, ,, abdomen, $ . 



8. ,, quinquelineatus, F., var. orlentalis, var. nov., 



[trout view of bead, 5 ; p. 183. 



9. „ „ abdomen, S ■ 



10. ,, ,, abdomen, $ . 



11. „ qidnquestriatus, F., front view of head, S '•, 



[p. 187. 



12. „ „ front view of head, $. 



13. „ „ abdomen, S • 



14. „ „ abdomen, 5 . 



15. „ obscuritarsis, de Meij., front view of head, J ; 



[p. 190 



16. „ „ front view of head, § . 

 17- „ „ abdomen, d • 



18. „ „ abdomen, 2 • 



19. Megaspis crassus, F., front view of head, $ ; p. 197. 



20. „ argijrocejyhalus, Macq., abdomen (really 

 [shorter than figured, owing to its curvature) ; p. 201. 



