COLLECTED IN BATCHIAN, KAISAA, ETC. 287 



vated on each side; the 3rd apical, interrupted hindward. Wings 

 cinereous ; veins black ; prsebrachial vein forming a rounded slightly 

 obtuse angle at its flexure, hardly curved from thence to its tip ; discal 

 transverse vein hardly undulating, parted by much less than its length 

 from the border, and by about its length from the flexure of the prae- 

 brachial ; alulae large, white. Length of the body 3 lines ; of the 

 wings 5 lines. 

 This species resembles some of the Muscides in structui-e, and hardly 

 belongs to the genus Masicera. 



Subfam. Dexides, Walk. 

 Gen. Dexia, Meigen. 



&Q. Dexia nivifera, n.s. Mas. Lutea, gracilis, capite argenteo, 

 frontalibus atris, antennarum articulo 3° longissimo, arista subplumosa, 

 thoracis disco nigricante argenteo-tomentoso, abdomine conico fasciis 

 tribus nigris, pedibus longissimis, tibiis tarsisque nigris, alls cinereis, 

 costa fuscescente, alulis subflavescentibus. 



Male. Luteous, slender, with black bristles. Head with silvery-white 

 tomentum j frontalia deep black, very narrow on the vertex, widening 

 in front, beset with bristles along each side ; facialia without bristles ; 

 epistoma hardly prominent. Antennre almost reaching the epistoma ; 

 3rd joint linear, rounded at the tip, about six times the length of 

 the 2nd; arista black, very much longer than the 3rd joint, slightly 

 plumose. Disk of the thorax blackish, with silverj^-cinereous to- 

 mentum. Abdomen conical, longer than the thorax, with three black 

 bands ; 1st band interrupted on each side ; 3i"d apical. Legs very 

 long ; tibiae and tarsi black. Wings cinereous, brownish along the 

 costa ; veins black, luteous towards the base ; pra^brachial vein form- 

 ing an extremely obtuse angle at its flexure, straight from thence 

 till near its tip, where it is slightly curved ; discal transverse vein 

 nearly straight, parted b)' hardly half its length from the border, and 

 by hardly less than its length from the flexure of the praebrachial ; 

 alulae with a slight yellowish tinge. Length of the body 6 lines ; of 

 the wings 10 lines. 



67 ' Dexia alulifera. Walk. See ante, p. 157- 



Gen. EuTiLiA, Desv. 



68. RuTiLiA SATURATissiMA, u. s. Mus. Saturatissime viridis, ca- 

 pite argenteo, frontalibus atris trigonis, palpis antennis pedibusque 

 nigris, thorace vittis quatuor interruptis nigris, abdomine nigro fasciis 

 tribus interruptis aurato-viridibus, alis nigricanti-fuscis basi nigris. 

 F(zm. Frontalibus latis, abdominis segmentis 1° 2"que cupreis. 



Male. Brilliant green, with black bristles. Head silvery white on each 

 side of the face and of the eyes ; frontalia deep black, triangulai'. 



