Mr. J. R. Mallocli on Exotic Muscaridfe. 275 



testaceous yellow, witii tiircc broad browiiisli-red vittje, 

 which become fuscous posteriorly, the median one con- 

 tinued over disc of scutellum ; pleura with a fuscous 

 streak on upper margin from humeri to base of wings. 

 Abdomen dark brown, paler on sides of tergites anteriorly, 

 the dorsum with slight grey pruinescence, which is most 

 distinct on the centre in the form of a slender vitta whea 

 seen from behind. Legs pale yellow, apical third of each 

 femur and all of the tarsi black. Wings yellowish, veins 

 dark brown, cross-veins not noticeably infuscated. Calyptree 

 and halteres yellow. 



Eyes bare, separated by a little less than one-third of the 

 head-width ; orbits narrow, frontal bristling normal ; para- 

 facial linear ; check as high as width of third antennal seg- 

 ment, the latter about three times as long as second ; arista 

 plumose; palpi slender. Thorax with four pairs of post- 

 sutural dorso-central bristles, no presutural acrostichals well 

 developed, and a moderately long prealar bristle ; sterno- 

 pleurals 1 : 2. Abdomen ovate, pointed apically. Fore tibia 

 without median bristles ; fore tarsus slender, longer than 

 tibia; mid-tibia with two posterior bristles; hind femur with 

 one preapical antero-ventral bristle ; hind tibia with one 

 antero-dorsal and one antero-ventral bristle. Wings rather 

 broad, first posterior cell Avidened apically, last section of 

 fourth vein about 15 as long as penultimate section, the 

 latter not much longer than outer cross-vein. 



Length 5*5 mm. 



Ti/pe, Mt. W^ellington, Tasmania, 3. x. 1912 {A. White). 



This species closely resembles Metopumyia atropunciipes, 

 described in this paper, in colour, the markings of the legs 

 being very distinctive. 



Helina pellucidiventris, sp. n. 



Male and female. — Head fuscous ; frons, face, and cheeks 

 densely white pruinesceut, almost silvery ; auteunse entirely 

 yellow, third segment infuscated except at apex ; palpi 

 luteous. Thorax densely grey pruinesceut, with faintly 

 indicated vittre in front of suture; humeri and apex of 

 scutellum faintly yellowish in male, conspicuously so in 

 female. Abdomen testaceous yellow, opaque, with a brown 

 or fuscous vitta, which may be complete or incomplete, and 

 a pair of spots on second and another on third tergite of 

 same colour, and sometimes a minute pair on fourth. Legs 

 testaceous yellow, slightly darkened. Wings clear, yellow 



