LIST OF DIPTERA. 237 



side, and having a tuft of clear white hairs on each side of the 

 fourth, fifth, seventh, and eighth segments : there is also a smaller 

 tuft of whitish hairs on each side of the second segment ; under- 

 side piceous, with a ferruginous tinge : legs black, clothed with 

 black hairs and bristles: wings dark piceous, with a gray dot on the 

 disk of each, before one-third of the length from the base, brown and 

 having grayish tawny areolet-disks at the tip and along the 

 hind borders for more than half the length from the tips ; there is 

 also a small round piceous spot very near the tip of each wing ; 

 wing-ribs and veins piceous, the latter black towards the tips ; poi- 

 sers piceous, with yellow tips. Length of the body 5 lines ; of the 

 wings 17 lines. 



a. Brazil. Presented by Mrs. J. P. G. Smith. 



Anthrax Harpyia, Wied. Auss. Zweif. i. 254, 3. Div. I. 

 a. Brazil. 



Anthrax umbrifer, n. s., Div. I,. Wied., fern. Nigra, capite antice 

 ferrugineo, abdomine basi rufo utrinque maculato, antennis pedi- 

 busque piceis , femoribus ferrugineis, tarsis nigris, antennis fuscis 

 apice pallidioribus basi ferrugineis. 



Body black : head and chest clothed with bright tawny hairs : 

 head ferruginous in front : eyes, mouth, and feelers piceous : abdo- 

 men clothed with ferruginous hairs on the hind borders of the seg- 

 ments, and having a large red spot on each side near the base : legs 

 piceous, clothed with short black hairs ; thighs dark ferruginous ; 

 feet black : wings dark brown, slightly paler along the fore borders 

 and at the tips, ferruginous at the hind base ; wing-ribs and veins 

 piceous ; poisers tawny. Length of the body 8 lines ; of the wings 

 20 lines. 



a. Philippine Islands. From Mr. Cuming's collection. 



Anthrax Orcus, n. s., Div. I., Wied., fern. Nigra, thoracis lateri- 

 bus posticis rufo-fasciculatis, scutello ferrugineo, antennis nigris , 

 pedibus piceis, alis cinereis, basi costaque nigro-fuscis. 



Body dull black, thinly clothed with ferruginous hairs and 

 black bristles : feelers and mouth black : eyes dark red : scutcheon 

 dark ferruginous : a tuft of red hairs on each side of the hind chest : 

 legs dark piceous, beset with black bristles : wings blackish brown 

 at the base and along the fore borders, and this colour passes into 

 dark gray, which prevails at the tips and on the hind borders ; the 

 brown colour lingers on the cross-veins, and the gray begins on the 

 disks of the areolets ; wing-ribs and veins piceous ; the latter black 



