I 



MB. WALKER ON DIPTERA COLLECTED AT MAKESSAR. Ill 



Female. Cinereous black ; head silvery grey, deep black above ; probos- 

 cis, palpi, and antennae black ; thorax with two cinereous stripes ; 

 pectus cinereous ; abdomen cinereous at the base ; two large basal 

 and lateral spots and the tip testaceous ; legs black, femora testa- 

 ceous, anterior femora black towards the base, hind femora with a 

 broad black band, middle tibiae lurid ; wings brown, cinereous along 

 the basal part of the interior border ; two white abbreviated bands 

 and two white intermediate streaks ; veins black ; halteres testaceous, 

 with black knobs. Length of the body 7 lines ; of the wings 12 lines. 



Fam. BOMBYLID^, Leach. 

 Subfam. Therevites, Walk. 



Gen. Thereva, Latr. 



59. Thereva congrua, Walk. See Vol. II. p. 90. 



Subfam. Bombtlites, Walk. 

 Gen. Anthrax, Fabr. 



60. Anthrax Tantalus, Fabr. Ent. Syst. iv. 260. 15. 

 Inhabits also Hindostan, China, and Java. 



61. Anthrax semiscita, Walk. See Vol. I. p. 118. 



62. Anthrax pretendens, n. s. Fcem. Nigra, fulvo tomentosa, 

 thorace strigis duabus albidis, abdomine fasciis albidis maculisque 

 duabus apicalibus albis, alis subcinereis basi nigris apud costam nigri- 

 cantibus, halteribus albidis. 



Female. Black ; head with tawny tomentum in front, cinereous behind 

 and beneath ; thorax with tawny hairs in front and on each side, a 

 whitish streak on each side by the base of the wing; abdomen with 

 whitish bands, and with a white spot on each side at the tip, sides 

 with tawny hairs at the base ; wings slightly cinereous, black at the 

 base, blackish along nearly half the length of the costa; veins black ; 

 radial vein forming a right angle at its base, curved towards its tip ; 

 fore branch of the cubital vein deeply curved ; externo-medial veins 

 almost straight ; subanal and anal veins approximate on the hind 

 border ; halteres whitish. Length of the body 6 lines ; of the wings 

 12 lines. 



This and the two following species belong to the group of which A. 

 hottentotta is the type. 



63. Anthrax antecedens, u. s. Fcem. Nigra, flavescente pilosa, 

 capite cinereo, abdomine fasciis late interruptis guttisque duabus 

 apicalibus albis, lateribus anticis albo pilosis, alis hyalinis basi nigri- 

 canti-fuscis. 



Female. Black ; head cinereous in front and beneath ; thorax with \iidc- 



