280 Mr. E. E. Austen on neio 



mens) 1 mm.; maximum width of thorax (3 specimens) 

 1*8 mm. ; width of base of abdomen (3 specimens), measured 

 across hind margin of first segment, 2 mm. to just over 2 mm. ; 

 width of base of sixth segment of abdomen (1 specimen) 

 1*4 mm. ; length of wing (3 specimens) 72 to 7'5 mm. 



Karroiver than H. gracilis. — Sepia-coloured, with Isabella- 

 coloured or yellowish grey markings ; dorsum of thorax with 

 usual three longitudinal stripes, either entire or fused together 

 from a point about one-third of distance between transverse 

 suture and hind margin, admedian stripes prolonged into usual 

 crescentic marks on latter ; dorsum of abdomen with yellowish 

 grey or smoke-grey hind border to each segment, a more or less 

 distinct and similarly coloured narrow median stripe on each 

 segment from second to sixth inclusive, and second and following 

 segments each with a pair of more or less distinct smoke-grey 

 or yellowish grey admedian spots, sometimes obsolete or nearly 

 so on second and third segments, elongate on following set/ men is ; 

 wings sepia-coloured, moderately dark, light markings distinct, 

 sharply defined, and rather coarse, rosettes present, apical 

 sinuous mark not bifurcate, but a light fleck beyond it on wing- 

 margin in second submarginal cell ; femora and tibia mummy- 

 brown, femora except tips ligliter, front iibice with a single 

 indistinctly marked pale band at base, then darker brown, middle 

 and hind tibia with two pale bands. 



Head : front yellowish brown, lighter at sides, with a dark 

 brown blotch on vertex on each side of median line ; face and 

 jowls yellowish grey, face with a clove-brown fleck on each 

 side, in contact with lower inner margin of eye and slightly 

 below level of antennas, and with a small clove-brown spot 

 below each antenna; lateral frontal clove-brown spots large, 

 conspicuous, more or less obliquely elongate, narrowly in 

 contact with eyes, median frontal spot small, inconspicuous ; 

 frontal callus clove-brown, of moderate depth, extending 

 from eye to eye, upper margin slightly concave on each side 

 of median line or practically straight, lower margin excavated 

 above antennae ; a small clove-brown spot present in middle 

 line below callus, with which it is in contact; palpi isabella- 

 coloured, terminal joint moderately elongate, slightly ex- 

 panded at base and rather blunt at tip, sparsely clothed on 

 outer side with short black hairs ; antenna? russet-brown, 

 third joint slightly darker, last three annuli mummy-brown, 

 noticeably flattened from side to side and blunt at tip, first 

 joint of antennae somewhat elongate and slightly incrassate 

 when viewed from above, clothed with short, rough, black 

 hairs, upper angle of second joint not produced, third joint 

 narrow, scarcely expanded beyond base. Thorax : dorsum 



