112 MR. WALKEK ON DIPTERA COLLECTED AT MAKESSAR, 



yellowish liairs in front and on each side ; abdomen with broadly 

 interrupted white bands, a white dot on each side at the tip, sides 

 with white hairs towards the base ; wings hyaline, blackish brown at 

 the base ; veins black ; radial vein curved towards the tip ; fore branch 

 of the cubital vein deeply curved ; extemo-medial veins straight ; sub- 

 anal and anal veins somewhat approximate on the hind border, 

 Length of the body 4 lines ; of the wings 8 lines. 



64. Anthrax congrua, n. s. Mas. Nigra, albo pilosa, capite abdo- 

 minisque lateribus nigro pilosis, abdomiue fasciis duabus pallidis, alis 

 subcinereis basi et apud costam nigricantibus, litura costali basali 

 argentea. 



Male. Black ; head and sides of the abdomen clothed with short black 

 hairs ; antennae very short, 3rd joint round ; thorax clothed with 

 white hairs in front and along each side ; abdomen with two slender 

 pale bands ; wings slightly greyish, blackish at the base and along half 

 the length of the costa, which has a silvery mark at its base ; veins 

 black; radial vein curved towards its tip ; fore branch of the cubital 

 vein deeply curved ; externo-medial veins straight ; subanal and anal 

 veins somewhat approximate on the hind border. Length of the body 

 3 lines; of the wings 6 lines. 



()5. Anthrax demonstrans, n. s. FoEin. Nigra, flavescente pilosa, ca- 

 pite cinereo, abdomine fascia subinterrupta guttisque duabus apicalibus 

 albis, lateribus nigro pilosis basi luteo pilosis, alis nigricantibus basi 

 et apud costam nigris. 



Female. Black ; head with cinereous toraentum behind and beneath ; 

 thorax with yellowish hairs on each side ; abdomen with a white 

 middle band, which is almost interrupted in the middle and slightly 

 dilated on each side, a white dot on each side at the tip ; sides with 

 black hairs, and at the base with luteous hairs ; wings blackish, black 

 at the base and along the costa ; radial vein forming a rounded angle 

 at its base, as deeply curved towards its tip as is the fore branch of the 

 cubital vein, to which it is parallel ; 1st and 2nd externo-medial veins 

 imdulating, 3rd nearly straight ; subanal and anal veins approximate 

 on the hind border. Length of the body 5 lines; of the wings 10 

 lines. 



66. Anthrax PRiEDiCANS, n. s. Fam..; Nigra, nigro pilosa, antennis 

 brevissimis articulo 3" rotundo, pedibus piceis, alis nigricantibus, 

 albido strigatis, apice et apud marginem posticum cinereis. 



Female. Black ; head and sides of the thorax and of the abdomen 

 clothed with short black hairs ; antennae very short, 3rd joint round ; 

 legs piceous ; wings blackish, dark grey at the tips and along the 

 hind border ; discal, pobrachial, 3rd externo-medial, and anal areolets 

 with whitish streaks; radial vein undulating towards its tip; fore- 

 branch of the cubital vein slightly curved ; externo-medial veins 

 straight ; subanal and anal veins approximating closely on the hind 



