142 ME. WALKER ON DIPTERA COLLECTED AT MAKESSAB. 



above, 3rd and 4th segments with a black dorsal spot on each, 

 4th and 5th segments with a black spot on each side ; legs tawny ; 

 tarsi piceous ; wings greyish ; veins black, testaceous at the base ; 

 discal transverse vein parted by a little less than its length from the 

 border, and by much more than its length from the pra;brachial trans- 

 verse ; alula; pale cinereous ; halteres testaceous. Length of the body 

 3 lines ; of the wings 6 lines. 



154. C.ENOSIA siGNATA, u. s. Fcem. Cinereo-fulva, capite antennis 

 pedibus halteribusque testaceis, thoracis vittis quatuor scutelli disco 

 abdominisque vitta uigris, alis ciuereis subluridis. 



Female. Cinereous-tawny ; head testaceous, white about the eyes ; 

 antennae testaceous, not near reaching the epistoma, 3rd joint elon- 

 gate-conical, about twice the length of the 2nd ; arista plumose to the 

 tip ; thorax with four black stripes, the outer pair interrupted ; disk 

 of the scutellum bk.ck ; abdomen with a black stripe, which is inter- 

 rupted on the hind border of each segment ; legs testaceous ; wings 

 grey with a slight lurid tinge ; veins tawny, costal vein black, discal 

 transverse vein parted by little more than half its length from the bor- 

 der, and by about twice its length from the prajbrachial transverse ; 

 halteres testaceous. Length of the body 2| lines ; of the wings 5 

 lines. 



155. CtENOSiA RESPONDENS, n. s. F(Em. Cana, capite apud oculos 

 albo, palpis albidis, antennis halteribusque testaceis, thorace lineis 

 tribus nigris, abdomine subfusiformi e maculis nigris trivittato, pedibus 

 uigris, femoribus apice tibiisque fulvis, alis cinereis, alulis albis. 



Female. Iloary ; head white about the eyes ; frontalia reddish ; palpi 

 whitish ; antennae testaceous, 3rd joint long, slender, nearly reach- 

 ing the epistoma ; thorax with three black lines ; abdomen nearly 

 fusiform, a little longer than the thorax, with three black spots on 

 each segment, legs black, femora towards the tips and tibise tawny ; 

 wings grey ; discal transverse vein parted by about twice its length 

 from the pra^brachial transverse, and by about its length from the 

 border ; alulae white ; halteres testaceous. Length of the body 2i 

 lines ; of the wings 5 lines. 



Subfam. Helomyzides, Fallen. 

 Gen. Xaenijta, Wall'. 



156. Xarnuta leucotelus. Walk. See Vol. I. p. 28. 



Gen. CoRDTLURA, Fallen. 



157. CoRDYLURA BisiGNATA, u. s. Mas. Nigra, vix nitens, an- 

 tennis breviusculis, arista pubescente, abdomine cylindrico maculis 

 duabus lateralibus albis, pedibus non spinosis, alis obscure cinereis, 

 alulis albis. 



Male. Black, hardly shining ; head white behind, testaceous towards 

 the epistoma ; antenna; not near reaching the e])istoma, 3rd joint 



