294 Mr. E. E. Austen on 7ieio 



well marlved ; froyital callus clove-brown, rather narrow 

 from above downwards, extending from eye to eye, upper 

 margin nearly straight, lower margin excavated above 

 antennre ; a small and not very conspicuous seal-brown spot 

 in middle line below callus; j^alpi smoke-grey or drab, ter- 

 minal joint fairly stout, clothed on outer side with rather 

 rough-looking blackish hair, sometimes, especially below, 

 interspersed with yellowish hair; antenn(S dark brown, first 

 joint greyish pollinose, short and slightly swollen, its 

 inner margin convex ; second joint with upper angle some- 

 what produced, third joint witli basal [)ortion but little 

 expanded, tapering towards tip, terminal annukis equal in 

 length to two preceding annuli taken together. Thorax: 

 longitudinal grey stripes on dorsum not very conspicuous, 

 median stripe apparently entire, admedian stripes expanding 

 beyond transverse suture and then disappearing; pectus, 

 pleurae, and crescentic marks on hind margin of dorsum 

 smoke-grey; dorsum of tliorax and abdomen clothed with 

 minute, appressed, deciduous, straw-yellow hairs. Abdomen : 

 extreme hind margins of segments of dorsum, except last or 

 last tM^o, sometimes narrowly cream-buff ; olive-brown area 

 of dorsum sometimes reduced to a narrow median longi- 

 tudinal stripe, remainder of each segment being yellowish 

 grey; venter clothed like dorsum with adpressed straw- 

 yellow hairs, yellowish grey, with more or less conspicuous 

 dark olive-brown longitudinal stripe. Wings : usual series 

 of oblique marks acro>s posterior cells distinct ; light 

 markings at each extremity of both basal cells coarse; 

 divided light spot on sixth longitudinal vein beyond zigzag 

 mark variable in size, sometimes large, sometimes scarcely 

 visible ; in axillary cell zigzag mark and basal loop coarse, 

 former curving obliquely towards latter and sometimes 

 joining it ; discal cell with a coarse transverse light mark 

 at each extremity of middle third, and an additional light 

 mark close to each end, these marks often more or less fused 

 together; stigma sepia, elongate and very conspicuous; a 

 small light fleck next costa in apex of second costal cell 

 above proximal extremity of stigma, not connected loith 

 jji'oximal rosette ; a more or less well-marked light loop, 

 sometimes almost a complete circle, in marginal cell beyond 

 distal extremity of stigma ; alula for most part pale, some- 

 times slightly infuscated towards centre. Halteres cream- 

 buff, knob seal-brown at base above and below. Legs : front 

 tibiae slightly incrassate distally, middle and bind tibire not 

 incrassate ; basal two-thirds or three-fourths of first joint of 

 middle and hind tarsi, and extreme base of second and third 

 joints of hind tarsi, dull cinnamon or buff'. 



