OF NEW ZEALAND. 57 



of the antennae tliree times as long as tlie second; style plumose 

 above. First posterior cell only slightly narrowed at the end. Dis- 

 coidal vein convex. 



S. iENos. Walker, I.e., p. 1160 (1849). 



Body thinly clothed with black hairs and bristles. Head dark 

 brown, adorned in front with silvery lustre ; epistome slightly pro- 

 minent ; sides of the face beset with bristles at the base ; eyes j)itchy, 

 fore-part nearly fiat, its facets rather larger than those elsewhere ; 

 proboscis black, smooth, shining ; palpi tawny. Antennae pitchy, 

 shorter than the face ; third joint flat above, very slightly convex 

 beneath, obliquely truncated at the tip, about twice the length of the 

 second joint ; style black, about twice the length of the third joint, 

 thinly feathered, stout for more than half its length. Thorax black, 

 adorned with indistinct tawny stripes, and on each side with a tawny 

 patch ; breast grey. Abdomen black, tinged with yellowish-brown ; 

 two tawny stripes on the under-side. Legs black, clothed with black 

 hairs and bristles ; knees and foot-cushions tawny. Wings colourless ; 

 wing-ribs pitchy ; veins black, tawny at the base ; tip cross-vein 

 united by a very slight curve to the fourth longitudinal vein, slightly 

 curved inward from thence to the tip, joining the border at a short 

 distance below the tip of the wing ; lower cross-vein nearly straight, 

 but with a slight inward inclination in the middle part of its course. 

 Scales yellowish-white, with pale-yellow borders. 



Length, 2 lines. 



New Zealand (Dr. Sinclair) . 



aenus-IDIA. 



Meigen. 

 Proboscis rather elongated. Epistome projecting, rostriform. 

 Palpi dilated. Antennae short, only half the length of the face; the 

 third joint three times the length of the second ; style plumose above 

 only. First posterior cell generally slightly open at the extremity of 

 the wing. 



I. MURiNA. Schiner, I.e., p. 309 (1868). 



Male. Thorax and scutellum dark coppery, with numerous small 

 punctae ; sides of the breast pale yellow, punctate ; middle of the breast 

 shining-black, partially hoary. Abdomen black ; the three first 

 segments transparent pale-yellow; anal segment metallic-green. Head 

 black ; eyes close together ; projection of lower face brownish-red ; 

 cheeks and occiput below pale yellow, and whitish hairs. Antennae 

 5 



