345 



linear ; episloma pale yellow, slightly prominent ; facialia beset with l)ristles 

 on each side of the peristoma and of the epistoma and along halt" the 

 length of the face; lateralia ferruginous: mouth ferruginous, black towards 

 the base; paljji tazvny : feelers black ; second joint ferruginous at the tip ; 

 third linear, with a hoary covering, /ern/^inous at the base, slightly rounded 

 at the tip, full thrice the length of the second ; fourth and fifth distinct ; 

 sixth black, very slender, feathered to the tip with very short hairs, /tnu^t- 

 7ioits and stout towards the base : chest ivilh four black stripes : abdomen 

 obcouical, not longer than the chest, ivith hoary reflections : legs black ; 

 hips and knees ferruginous ; thighs and shanks with a hoary tinge; shanks 

 pitchy beneath : wimjs grai/, dark brown along the fore border from one-third 

 of the breadth to four-fifths of the length ; veins pitchy, tawny at the base, 

 bordered tvith pale brown ; prEebrachial vein forming a very obtuse angle 

 at its flexure, hardly inclined inward from thence to its tip, approaching 

 very near the tip of the cubital vein ; lower cross-vein with a distinct in- 

 ward curve : aluLx gray, with pitchy borders : halteres tawny. Length of 

 the body 3^ lines ; of the wings 8^ lines. 



South America. 



MUSCA DETERiniNATA, Fcm. 



Cana; caput album; thorax nigra quadrivittatus ; abdomen cinereum, 

 basi fulvo bimaculatum ; antenrue et pedes nigra ; alee subcinerece, 

 basi subfulvce. 



Blade, with a hoary covering : head with a white covering ; frontalia 

 broad, black, narrower towards the feelers : eyes bare : palpi and feelers 

 black : chest with four black stripes : abdomen cinereous, with a large tawny 

 spot on each side at the base : legs black : wings slightly gray, with a tawny 

 tinge at the base ; praebrachial vein forming a very obtuse angle at its 

 flexure, very slightly bent ^nwanl Ciom thence to the tip ; lower cross-vein 

 almost straight: alulffi whitish, with pale yellow borders: halteres tawny. 

 Length of the body "2^ lines ; of the wings 5 lines. 



East Indies. 



