Mv. II. E. Aiulicwes o?> Oriental C';ll•alM(la^ 2S9 



(3"5x5"75) moderately convex, border of base bisinuatc, 

 fonuing witli side-border at slioulder a very sharp angle, 

 sides slightly widened behind and moderately sinuate at 

 apex; stria; deep, inipunctate, scutcllary striole elongate, as 

 deep as the striie, intervals a little convex, 3-5 rather wider 

 than the others, 3-5-7 seriately punctate, along striic 2-5-7 

 respectively, the punctures small but clearly marked, rather 

 larger on 3, about 15 on each interval, 9 with a similar series 

 along stria 8, widely interrupted in middle, an uninterrupted 

 row of small punctures along marginal channel ; surface 

 moderately shiny, finely, irregularly, but quite clearly 

 punctate throughout. Under surface smooth. 



Larger and a little longer than D. amona, Dej., legs and 

 antennae darker, head and prothorax with hardly any trace 

 of metallic green. The prothorax with more rounded hind 

 angles, the base more densely and con fluently punctate ; 

 tlie elytra with deeper strire, a longer scutcllary striole, 

 seriate punctures larger, general puncturation much more 

 evident. 



Tonkin : Kwang Choo Wan [R. Vitalis de Salvuza). The 

 type is in the British Museum. 



Dioryche sericea, sp. n. 



Length 7"5-8-5 mm. ; width 2'50-2'75 mm. 



Upper surface dark bronze, with a sericeous lustre, 

 especially on elytra, underside black ; joints 1-2 of antenna?, 

 base and apex of palpi, aiid sometimes tibiffi dark red. 



Head cou\c\ (TS mm. wide), eyes not prominent, elypcus 

 only slightly emarginate in front, the suture veiy fine, 

 surface smooth and polislied, with only vestiges of minute 

 })uncturatiun at sides. Pi'of hoi' ax transxerse (1"6 x 2'3 mm.), 

 moderately convex, widest just before middle, base truncate, 

 with sides a little oblique, apex slightly emarginate, sides 

 finely bordered and evenly rounded, but contracted a little 

 more in front than behind, a seta at apical third, hind angles 

 obtuse, but very little rounded .; median line faint, basal 

 ■fove?e deep, surface smooth with some minute scattered 

 punctures, a little more evident along front, base densely 

 punctate, the punctures of varying sizes. Elytra (2"9 x 

 4-5 mm.) convex, elongate, sides finely bordered, nearly 

 parallel, distinctly sinuate near apex ; striae comparatively 

 deep, scutellary striole reduced to a vestige, adjoining stria 2, 

 intervals rather convex, 2 narrower than the others, 5 de- 

 pressed on outer side near apex, 3-5-7 seriately punctate, 

 the punctures mostly adjoining stride 2-5-7 respectively (but 



