ME. WALKER ON DIPTEEA COLLECTED IN AMT30TKA. 149 



with a tuft of white hairs on each side at the base, and with another on 

 each side near the tip ; under side with bands of whitish hairs on the 

 hind borders of the segments. Wings narrow, black on nearly half 

 the length from the base and along nearly the whole length of the 

 costa ; fore fork of the cubital vein forming an almost right angle, 

 which emits a long stump ; halteres with snow-white tips. Length of 

 the body 3^ lines ; of the wings 8 lines. 



23. Anthrax praitendens, Walk. See vol. iv. p. 111. 



24. Anthrax aterrima, Dol. Nat. Tijd. Ned. Ltd. 1858. 

 A. proferens. Walk. See vol. iv. p. 113. 



Fam. EMPID^, LeacJi. 



Gen. Epiceia, n. g. 



Mas, Hyboti affinis. Caput thorace non angustius. Oculi magni, con- 

 nexi, supra plani. Antennce brevissimae ; articulus 3"^ brevi-conicus ; 

 arista longissima, gracillima. Abdomen lineare, thorace multo longius 

 et angustius. Pedes postici incrassati, femoribus subtus spinosis. 



Allied to Hybos. Male. Head as broad as the thorax. Eyes large, 

 connected, flat above. Antennae very short ; 3rd joint short, conical ; 

 arista very long and slender. Abdomen linear, much longer and 

 narrower than the thorax. Hind legs incrassated, with the femora 

 spinose beneath. Wings with the veins much like those of Hybos in 

 structure, but with the praebrachial vein inclined exteriorly towards 

 the cubital. 



25. Epickia ferruginea, n. s. Mas. Ferruginea, antennis nigris 

 basi testaceis, abdomine nigro basi ferrugineo, pedibus anterioribus 

 testaceis coxis nigris, pedibus posticis nigris, alis cinereis apud costam 

 nigricantibus, halteribus testaceis. 



Male. Ferruginous. Eyes large, connected, flat above. Antenna; black, 

 testaceous at the base. Abdomen black, ferruginous at the base. 

 Anterior legs testaceous, with black coxa; ; hind legs black. Wings 

 dark grey, blackish along the costa ; veins black ; halteres testaceous. 

 Length of the body 3 lines ; of the wings 6 lines. 



Fam. DOLICHOPIDJE, LeacTi. 



Gen. PsiLOPrs, 3fei(/. 



2fi. P.siLOPUS persuadens, n. s. Mas. Smaragdinus, capite supra 

 purpurascente-cyaneo antice albo, antennis nigris basi testaceis, arista 

 thoracis longitudine, thorace vittis tribus cupreis, abdomine cyanescente 

 viridi, lateribus albis fasciis cupreo-nigris, pedibus all)idis, fcmorilnis 

 l)osticis apice tibiis posticis basi tarsisque nigris, alis cinereis fascia 

 subapicali nigricante postice abbreviata. 



