646 



SEINOSUKE UCIIIDA: 



quadrate posterior ventral sclerite seven hairs, of which the hindmost 

 is the longest and strongest. 



Prothorax narrow, with produced lateral angles, each bearing two 

 spines and a hair ; anterior lateral and posterior lateral margins 

 slightly concave, the former furnished with a short spine ; posterior 

 lateral angle obtuse, each bearing a long hair followed by four (rarely 

 five) hairs along hind half of the posterior margin, which is obtusely 

 angulated in the middle. Colour buffy whitish ; transverse chitin bar 

 pale but distinct ; posterior margin bordered with dark blackish brown ; 

 similarly coloured curved line running subparallel with each lateral 

 margin. Mesothorax dark blackish brown, nearly as wide as pro- 

 thorax, distinctly divided from metathorax by lateral emarginations 

 and a suturai line ; lateral margin convex ; posterior margin truncate 

 with two short prickles. Metathorax short, trapezoidal ; lateral margin 

 bare, straight, diverging posteriorly ; each posterior lateral angle with 

 two hairs and four spines ; posterior margin nearly straight, with a 

 series of twelve (rarely fourteen) submarginal hairs. Ground colour of 

 metathorax buffy whitish, with dark brownish, heavy, lateral bands, 

 which are bend along the posterior margin. Legs long and stout, fore- 

 femora greatly swollen ; middle femora less so ; hind-femora but little 

 swollen, furnished with scattered hairs and spines, and on the ventral 

 surface with several rows of short spines ; onychium large, rounded ; colour 

 of legs slightly ;darker than thorax, with dark brown dorsal markings. 



Abdomen broad, elliptical ; widest at the fifth segment, though 

 the tergite of that segment is narrower than that of either the fourth or 

 the sixth segment ; length of segments nearly equal, except the second 

 segment which is the shortest ; posterior angles projecting, furnished 

 on segments I — VII each with a long hair and several spines ; segment 

 VIII with a short and two long hairs ; the last segment broadly 

 rounded, with a short and two long hairs on each side and a fringe 

 of hairs along the posterior margin. Median parts of the posterior 

 margin of the first segment triangularly produced posteriorly, reaching 



