MR. WALKER ON DIPTEBA COLLECTED IN AMBOTKA. l')3 



3° lineaii, arista vix plumosa, thorace vittis quatuor nigris, scutello 

 testaceo, abdomine testaceo longi-ovato apicem versus nigro, pedibus 

 testaceis, tarsis nigricantibus, alls cinereis, costa basi lurida. 



Tachina analis, Dol. MSS. 



Female. Pale-gilded, with black bristles. Head brilliant white, except 

 on each side of the frontalia, which are narrow, linear, ferruginous, and 

 have a few black bristles along each side ; facialia without bristles ; 

 epistoma not prominent. Antennse pale yellow, not near reaching 

 the epistoma ; 3rd joint linear, rounded at the tip, more than twice 

 the length of the 2nd ; arista moderately long, very minutely plumose. 

 Thorax with four black stripes, the two middle very slender ; scutel- 

 lum testaceous. Abdomen testaceous, elongate-oval, longer than the 

 thorax, black, and with black spines towards the tip. Legs testaceous ; 

 tarsi blackish. Wings grey, lurid along the costa towards the base ; 

 veins black, tawny towards the base, praebrachial vein forming a very 

 obtuse angle at its flexure, from which it is nearly straight to its tip ; 

 discal transverse vein hardly undulating, parted by rather less than its 

 length from the border, and by very little less than its length from 

 the flexure of the praebrachial. Length of the body 4 lines ; of the 

 wings 8 lines. 



37. Tachina? discifera, n. s. Fcem. Fulva, robusta, abdomen 

 ovatum guttis duabus fascia posteriore maculaque apicali nigris, alis 

 cinereis, costa venisque late fuscesceutibus, alulis cinereo-fulvis, halte- 

 ribus pallidis. 



Female. Tawny, stout, with long black bristles. Head wanting. Ab- 

 domen oval, with black spines towards the tip, a little longer than the 

 thorax ; 2nd segment with a transverse black dot on its hind border j 

 3rd with a black band on its hind border ; a black apical spot. Wings 

 grey, broadly brownish along the costa and about the veins; the 

 latter black, tawny towards the base ; praebrachial vein forming a 

 rounded right angle at its flexure, beyond which it is much curved 

 inward ; discal transverse vein undulating, parted by much less than 

 its length from the border, and by much more than its length from 

 the flexure of the praebrachial ; alulae cinereous tawny ; halteres 

 paler than the body. Length of the body 3^ lines ; of the wings 

 7 lines. 



Gen. Hamaxia, n. g. 



38. Hamaxia incongrua, n. s. Foem. Fulva, sat gracilis, capite al- 

 bido, frontalibus fulvis linearibus, oculis nudis, palpis clavatis longius- 

 culis, antennarum articulo 3° longo lineari, arista subpubescente, 

 thorace vittis tribus indistinctis subobscurioribus, abdomine elliptico, 

 alis cinereis apud costam fuscesceutibus, alulis subtestaceis sat magnis. 



Female. Tawny, rather slender, with black bristles. Head whitish in 

 front and above, excepting the frontalia, which are tawny and linear ; 

 front prominent ; facialia with black bristles on each side of the e])i- 

 LINN PEOC. — ZOOLOGY, SUPPLEMENT. 11 



