128 MR. WALKEE OK DIPTEEA COLLECTED AT MAKESSAR. 



by a little more than half its length from the border, and by much 

 less than its length from the flexure of the praebrachial ; alulae white. 

 Length of the body 3| lines ; of the wings 7 lines. 



110. EuRYGASTER CONTRACTA, n. s. ¥(£171. Cinerea, brevis, capite 

 albo, palpis, antennis pedibusque nigris, thorace vittis quatuor nigris, 

 abdomine nigro fasciis tribus latis subinterruptis argenteo-einereis, ahs 

 cinereis basi nigricantibus, alulis albis. 



Female. Cinereous, short ; head white j frontalia deep black, widening 

 slightly towards the face, with stout bristles along each side ; facialia 

 without bristles ; epistoma not prominent j eyes bare ; palpi and legs 

 black ; antennae reaching the epistoma ; 3rd joint linear, rounded at 

 the tip, about four times the length of the second ; arista stout for 

 almost one-third of the length ; thorax with four black stripes ', abdo- 

 men black, nearly oval, not longer than the thorax, with three broad 

 slightly interrupted silvery cinereous bands ; wings cinereous, blackish 

 at the base ; veins black ; praebrachial vein forming an obtuse angle 

 at its flexure, nearly straight from thence to its tip ; discal transverse 

 vein curved inward towards its base, parted by less than its length 

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

 brachial ; alulae white. Length of the body 2i lines ; of the wings 

 4\ lines. 



111. EuRYGASTER PROGRESS A, n. s. FcEiKi,. Fulva, capitc subtus et 

 apud oculos albido, antennis pallide luteis apice fuscescentibus, ab- 

 domine maculis tribus dorsalibus nigris, alis cinereis apud costam 

 luridis apice fuscis, halteribus testaceis. 



Female, Tawny, with black bristles ; head testaceous, whitish about the 

 eyes and beneath ; frontalia pale luteous, widening to the epistoma, 

 beset with bristles along each side; facialia without bristles; epistoma 

 not prominent ; eyes bare ; antennae pale luteous, almost reaching 

 the epistoma ; 3rd joint linear, brownish towards the tip; arista stout 

 to about one-third of the length ; abdomen nearly oval, hardly longer 

 or broader than the thorax, with three black dorsal spots ; tarsi piceous ; 

 wings grey, lurid along the costa, brown towards the tips, except along 

 the hind border ; praebrachial vein forming a slightly obtuse angle at 

 its flexure, much curved inward from thence to its tip ; discal trans- 

 verse vein undulating, parted by much less than its length from the 

 border, and by about its length from the flexure of the praebrachial ; 

 alulae and halteres testaceous. Length of the body 4 lines ; of the 

 wings 7 lines. 



Greu. Metopia, Meigen. 



112. Metopia inspectans, n. s. Fcem. Cinerea, capite magno ar- 

 genteo subconico, facie perobliqua, thorace vittis quatuor, abdominis 

 vitta dorsali et segmentorum marginibus posticis nigris; alis cinereis, 

 alulis albis, halteribus piceis. 



