COLLECTED AT SINGAPOHE AND MALACCA. 13 



wliite bristles. Proboscis lanceolate, short, straight, porrect. Antennae 

 tawny. Thorax with two transverse hoary marks on each side, and with 

 three indistinct hoary stripes. Pectus wliitish. Abdominal segments with 

 a transverse whitish spot on each side of the liind border. Legs tawny, 

 with paler haii's ; coxse black ; anterior tarsi towards the tips, hind tarsi 

 at the base, and liind tibise brown. Wings limpid, brown at the tips ; 

 veins black. Halteres whitish. Length of the body 5 Hnes ; of the wings 

 10 lines. 

 Singapore. 



Subfam. Asilites, Wall'. 

 Gen. AsiLUS, Linn. 



39. AsiLUS FrsiFOEMis, n. s., foem. Niger, cinereo-tomentosus, capite albido, 

 mystace testaceo, thoracis vittis tribus pectoreque canis, abdominis apice 

 compresso glabro, pedibus rufis, tarsis nigris, femoribus anterioribus nigro- 

 maciilatis, alis subcinereis. 



Female. Black, with cinereous tomentimi. Head whitish in front, rather 

 thickly clothed with whitish hairs ; a few black bristles behind ; face slightly 

 convex towards the epistonia. Mystax with several testaceous bristles. 

 Proboscis stout, straiglit, lanceolate. Palpi with thick black bristles. An- 

 tennfe black. Thorax with three indistinct hoary stripes. Pectus hoary. 

 Abdomen oblanceolate, with whitish and black hairs, compressed, shining, 

 and bare towards the tip. Legs red, very stout, beset with black spines ; 

 tarsi except at the base and knees black ; a black spot on each of the ante- 

 rior femora. Wings slightly cinereous ; veins black, tawny at the base 

 and along the costa. Halteres testaceous. Length of the body 13 lines ; 

 of the wings 24 lines. 



Malacca. 



40. AsiLtrs LINEOSUS, n. s., foem. Fuscus, capite subaurato, mystace testaceo 

 nigroque, antemiis pedibusque nigris, thorace aureo-quadrivittato, abdomine 

 fulvo-fasciato, apice nigro compresso transverse rugiiloso, tibiis luteis apice 

 nigris, alis cinereis. 



Female. Dark brown. Head with pale gilded tomentum, clothed beneath 

 with whitish hairs ; face convex towards the epistoma. Mystax with several 

 testaceous bristles and with a few more slender black bristles. Proboscis 

 stout, straight, lanceolate. Palpi thickly beset with black bristles. An- 

 tennse black ; arista almost thrice the length of the 3rd joint which is fusi- 

 form. Thorax with four dull pale gilded stripes ; sides and pectus cinereous. 

 Abdomen oblanceolate, with broad fawn-colom-ed bands, black, sliining, 

 compressed and transversely rvigulose towards the tip. Legs black, armed 

 with black spines ; tibite pale luteous, with black tips ; onychia pale luteous. 

 Wings cinereous ; veins black. Halteres ferruginous. Length of the body 

 12 lines ; of the wings 20 lines. 



Singapore. 



41. AsiLUS DEBiLis, n. s., mas. Cinereus, capite flavido-albo, mystace testaceo 

 nigroque, antennis fulvis, tliorace fusco-bivittato, abdominis segmentis cano- 



