902 LIST OF DIPTERA. 



stoma slightly prominent ; sides of the face fringed with short bris- 

 tles for half the length from the base : eyes pitchy ; fore part flat, 

 its facets rather larger than those elsewhere : sucker and palpi 

 black, the latter beset with black bristles: feelers black, a little 

 shorter than the face ; third joint linear, slender, rounded at the 

 tip, full thrice the length of the second joint ; bristle about twice 

 the length of the third joint: abdomen obconical, a little shorter, 

 but not broader than the chest, adorned with a large tawny spot on 

 each side of the base : legs black, clothed with black hairs and bris- 

 tles ; foot-cushions pale tawny : wings colourless, slightly tawny at 

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

 cross-vein forming an obtuse angle with the fourth longitudinal 

 vein, slightly curved inward along the whole length, joining the 

 border a little above the tip of the wing ; lower cross-vein almost 

 straight ; scales pale yellow ; poisers tawny. Length of the body 

 2£ lines ; of the wings 5 lines. 

 a. New Holland. 



Musca vetustissima, n. s., fem. Carta, capite albo micante, thoraci 

 vittis duabus latis niyris, abdomine cano-cinereo, palpis nigris, 

 antennis piceis basi nigris, pedibus piceis, alis limpidis basi 

 albis. 



Body hoary, clothed with black hairs and bristles : head adorned 

 with white lustre ; a black stripe between the eyelets and the feelers ; 

 epistoma not prominent ; sides of the face feathered with bristles at 

 the base : eyes red ; fore part flat, its facets a little larger than those 

 elsewhere : sucker pitchy, clothed with tawny hairs ; palpi black, 

 beset with black bristles : feelers black, a little shorter than the 

 face ; third joint pitchy, linear, rounded at the tip, about thrice the 

 length of the second joint ; bristle pitchy, black at the tip, about 

 twice the length of the third joint : chest adorned with two broad 

 black stripes : abdomen obconical, gray, with hoary reflections, a 

 little broader, but not longer than the chest : legs pitehy, clothed 

 with black hairs and bristles ; foot-cushions tawny : wings colour- 

 less, white at the base ; wing-ribs and veins pale tawny ; veins 

 darker towards the tips ; tip cross-vein forming an obtuse angle 

 with the fourth longitudinal vein, very slightly inclined inward 

 along the whole length, joining the border a little above the tip of 

 the wing ; lower cross-vein nearly straight ; scales white ; poisers 

 pale yellow. Length of the body 2 lines ; of the wings 4 lines. 

 a. New Holland. Presented by the Entomological Club. 



