1G2 MR. WALKKR OX DIPTERA COLLECTED AT MAKESSAR. 



much longer than the thorax, hind horders of the segments white ; 

 legs tawny, very long ; posterior coxae and fore tibiae black ; posterior 

 femora with tlu-ee black bands; fore femora black, tawny towards 

 the base ; posterior tibia; and posterior tarsi dark tawny ; fore tarsi 

 white, black at the base ; wings grey, with two brown bands, the second 

 apical ; veins black ; cubital vein and praebrachial vein converging to 

 the tip of the wing; discal transverse vein straight, upright, parted by 

 much less than its length from the border, and by more than thrice 

 its length from the pi-aebrachial transverse. Var. ^ : Bands of the 

 wings broader and more complete. Length of the body 4-5 lines ; of 

 the wings 7-^ lines. 

 This species is erroneously recorded as C. indica in Vol. III. p. 124. 



207. Calobata BiFASCiATA, n. s. FcEm. Nigra, longissima, gracil- 

 lima, capite litura transversa albida, arista breviuscula basi robusta, 

 abdominis dimidio antico subclavato fasciis duabus cinereis, dimidio 

 postico lanceolato, femoribus posticis basi albidis apice rufescentibuSj 

 tarsis anticis albis apice nigris, alis cinereis nigricante bifasciatis. 



Female. Black, very long and slender ; head with a whitish transverse 

 mark in front of the face, which is very short ; 3rd joint of the an- 

 tennae elongate-conical, more than twice the length of the 2nd ; arista 

 rather short, stout towards the base ; thorax attenuated in front ; ab- 

 domen more than twice the length of the thorax, broadest in the mid- 

 dle, subclavate to half its length, lanceolate from thence to the tip, 

 two cinereous bands on the basal half; legs long; hind femora whitish 

 at the base, reddish at the tips ; fore tarsi white, with black tips ; 

 wings grey, slightly blackish at the tips, and with two blackish bands, 

 the second broader and more complete than the first; veins black ; cubi- 

 tal vein and praebrachial vein slightly converging towards the tip of the 

 wing ; discal transverse vein straight, oblique, parted by less than its 

 length from the border, and by more than thrice its length from the 

 praebrachial transverse. Length of the body 5 lines ; of the wings 

 8 lines. 



Gen. Cardiacephala, Macq. 



208. Cardiacephala varipes, n. s. Mas. Testaeea, gracillima, ca- 

 pite subelongato, antennis pallide rufis basi nigris, thorace antico 

 attenuato, abdomine linear! apicem versus tumido, femoribus inter- 

 meihis subincrassatis, tibiis intermediis nigris, tarsis intermediis albis 

 apice nigris, alis pallide fuscescentibus, basi fasciaque cinerascentibiis. 



Male. Testaceous, very slender ; head somewhat elongated ; antennje 

 pale red, black at the base ; thorax long, attenuated in front ; abdo- 

 men linear, tumid towards the tip, narrower and much longer than the 

 thorax ; legs very long ; fore legs much shorter and more slender than 

 the others ; middle femora slightly incrassated, except towards the 

 tips ; middle tibiae black ; middle tarsi white, with black tips ; wings 



