424 Mr. J. R. Mallocli on E.voti'c Muscaiidfe. 



tibial calcar lacking, but the eyes of the female are not more 

 ■widely sei)arated than are those of the male, the genital 

 segments of that sex are not spinose^ the fifth stcrnite of 

 the male is almost transverse at apex, the prealar biistle is 

 absent, the third vein is slightly curved forward apically, and 

 the arista is subnude. 



Genotype, the follovring species. 



Emmesina annandalei, sp. n. 



Male Sir\dfe77iale. — Blackish brown, slightly shining, grey 

 pruineseent. Antennae and palpi black. Thorax witli three 

 contiguous brown vitta?, the dorsum appearing almost entirely 

 brown. Abdomen dark brown, witli a wedge-shaped grey 

 pruineseent area on each side of each tergite at anterior 

 margin. Legs pitchy black. AVings faintly brownish. 

 Calyptrre and halteres yellow. 



Male. — Eyes bai-Cj facets larger in front ; frons narrow, 

 but about twice as wide as width across posterior ocelli ; 

 interfrontalia distinct on entire length ; orbits uniform in 

 width, with fine bristles on their entire length, a pair in line 

 with anterior ocellus directed forward; parafacial linear; 

 cheek about as high as width of third antennal segment, the 

 latter about 2"5 as long as second ; arista swollen at base. 

 Thorax without strong presutural acrostichals, and with four 

 pairs of postsuiural dorso-centrals, the anterior two pairs 

 weak ; both intra-alars weak, the anterior one conspicuously 

 so. Abdomen elongate-ovate ; hypopygium small. Fore 

 tibia with one posterior brisile; mid-tibia with two posterior 

 bristles ; hind femur with about seven fine bristles on 

 antero-ventral surface, postero-ventral surface bare ; hind 

 tibia with one antero-dorsal and antero-ventral bristle. 



Female. — Similar to male, the genitalia normal. 



Length 4*5-5 mm. 



'Jype, male, allotype and one male paratype, Bulsit Besar, 

 Siam [H. C. Robinson and N. Annandale). 



Subfamily Antho.vyiix^. 



Pegonnjia magna, sp. n. 



Female. — Black, slightly shining, densely grey pruines- 

 eent. Antennae, and palpi black, apex of second segment of 

 former reddish ; frons black. Thorax w^hen seen from 

 behind with two broad fuscous vittse laterad of the dorso- 

 ceutrals, a narroAV brown central vitta, and a faint dark line 

 along the bases of the dorso-centrals. Abdomen checkered. 



