ME. WALKER OK DIPTEEA COLLECTED AT MAKESSATl. 141 



Gen. Spilogaster Macq. 



150. Spilogaster xanthoceras, n. s. Foem. Alba, capite argeu- 

 teo, palpis pedibusque nigris, antennis pallide testaceis basi nigris, 

 thoracis fascia lata scutelloque nigris, thorace vitta fasciisque duabus 

 nigris, alis cinereis apiid costam subluridis. 



Female. Wliite; head silvery white; fi'ontalia broad, deep black ; pro- 

 boscis, palpi, and legs black ; antennae pale testaceous, reaching the 

 epistoma, black at the base, 3rd joint about four times the length of 

 the 2nd ; thorax with a broad black band ; scutellum black ; abdo- 

 men cinereous, elongate, with a slender black stripe and with two 

 black bands ; wings cinereous, with a lurid tinge along the costa ; 

 veins black, tawny towards the base ; discal transverse vein bent inward 

 towards the base, parted by hardly more than its length from the prse- 

 brachial transverse, and by much less than its length from the border ; 

 alulae white. Length of the body 3| lines ; of the wings 7 lines. 



Gen. Anthomtia, Meigen. 

 161. Anthomyia procellaria. Walk. See Vol. III. p. 108. 



Gen. LisPE, Meigen. 



152. LisPE bimaculata, n. s. Fcem. Nigra, capite atro antice au- 

 rato subtus albido, pectore pedibusque cinereis, abdomine vitta cinerea 

 maculis duabus subapicalibus albis, femoribus iutermediis basi dilatatis, 

 alis cinereis, halteribus testaceis. 



Female. Black; head deep black above, gilded in front, whitish on 

 each side beneath ; pectus and legs cinereous ; abdomen with a 

 slender cinereous stripe, and with a white spot on each side near the 

 tip ; knees pale ; middle femora dilated at the base ; wings cinereous ; 

 veins black, tawny at the base ; discal transverse vein parted by less 

 than its length from the border, and by about twice its length from 

 the prsebrachial transverse ; halteres testaceous. Length of the body 

 3 lines ; of the wings 6 lines. 



Gen. C^NOSiA, Meigen. 



153. CiENOSiA LUTEicoRNis, Walk, (scc Vol. III. p. 108). Fcem. 

 Cana, capite am'ato, frontalibus pedibusque fulvis, palpis albis, an- 

 tennis pallide luteis, abdomine subtestaceo apice cano maculis quatuor 

 nigris, alis cinerascentibus, halteribus testaceis. 



This is probably the female of C luteicornis, though the wings have no 

 trace of an apical spot. 



Female. Hoary ; head pale gilded, hoary behind and beneath ; frontalia 

 tawny, widening slightly in front ; palpi white ; antennae pale luteous, 

 reaching the epistoma, 3rd joint linear, roimded at the tip, six times 

 the length of the 2nd ; arista plumose to full half its length ; abdo- 

 men dull testaceous, hoary towards the tip, where it is very bristly 



