256 THE ENTOMOLOGIST. 



abdominal segments tawny. Tibiae clingy whitish towards 

 the base. Wings dark cinereous ; veins black, partly and 

 slightly bordered with brown; branch of the cubital vein 

 forming a very slightly obtuse angle which emits a branch. 

 Halteres whitish. Length of the body 7j lines. Hor 

 Tamanib. 



4. T.polilus. Female. — Black. Vertex with whitish toraentum 

 and with a whitish band, which adjoins the deep black shining 

 convex part on which the antennae are seated ; under side 

 clothed with white hairs. Eyes with extremely small facets. 

 Palpi white. Third joint of the antennae not angular above. 

 Thorax and pectus with cinereous hairs. Abdomen with two 

 rows of oblique elongated cinereous spots; two spots on each 

 segment. Four posterior tibiae and tarsi cinereous ; fore 

 tibiae striped with whitish above, except towards the tips. 

 Wings cinereous ; veins and sligma black ; branch of the 

 cubital vein forming an obtuse and much rounded angle near 

 the base. Halteres tawny. Length of the body 5 lines. Hor 

 Tamanib. 



5. T. pallescens. Female. — Black. Head with hoary tomen- 

 tum ; vertex with two small shining calli, the fore one broader 

 than the hind one, with which it is connected by a 'line. 

 Eyes aeneous, with extremely small facets. Palpi white. 

 Antennae tawny, slender, piceous towards the tips ; third 

 joint slightly angular above. Thorax with four cinereous 

 stripes; sides mostly tawny. Abdomen ferruginous, with 

 three cinereous stripes. Coxae and femora piceous ; tibiae 

 dingy whitish, black towards the tips ; four posterior tarsi 

 piceous, whitish towards the base ; fore tarsi black. Wings 

 cinereous; veins Vjlack, whitish at the base; branch of the 

 cubital vein forming a very obtuse and rounded angle near 

 the base. Halteres white. Length of the body 5 lines. Tor. 



Fam. Pangonina. — Gen. Pangonia, Latr, 



6. P. zoiiata. Male and female. — Black. Head and thorax 

 with cinereous tomentum. Head tawny, with a small shining 

 black callus on each side in front; under side thickly clothed 

 witl^ white hairs. Proboscis black, rather more than half the 

 length of the body. Antennae and legs tawny. Abdouien 

 brown; basal half testaceous ; hind borders of the following 

 segments tawny. Wings brown ; first branch of the cubital 



