318 BULLETIN 31, UNITED STATES NATIONAL MUSEUM. 



PLATE VIII. 



1. Pteroptila crucigera Wied., wing; la, distal eud of iiialc^ abdomen; Ih, hind 



l(ig of uialo; Ic, head of male. 



2. IIki-ophilis siMiLis Macq., wing. 



3. IIki.ophilus conostomus Will., head of female; 3a, wing. 



4. Hklopiiilus modkstus Will., head of female. 



5. IlKLOPiiiLUs ciiUYSosTOMUS Wied., hind leg of male. 



6. IIi.i.oPHiLUS l.i<:tus Loew, head of male. 



7. IIKLOPHILUS MEXiCANUS Macq., head of male ; 7b, the same, front view. 



8. DoLiosYRPHUs RiLEYi Will., head of male. 



9. I'terallastes thoracicus Loew, head of male; 9a, hind leg of male. 



11. Mallota cimbiciformis Fall., hind leg of male; 11a, head of male. 



12. TKrcHOCNEMis LiTURATUS O. S., hiud leg of male; 12a, wing. 



13. Mallota posticata Fabr.,hind leg of male. 



14. Mam.ota S.\CKKM Will., wing. 



