216 NEW BECOBDS & SPECIES OF MALAYAN MEMBEACIDAE. 



•posterior process but obsolete over anterior half of pronotum; scu- 

 tellum exposed on each side, brown, punctate, sparingly pubescent: 

 posterior process straight, heavy, blunt, carinate above, tip extend- 

 ing barely beyond internal angle of tegmen. 



Tegmina ferruginous, subtranslucent, wrinkled, iridescent; 

 base dark brown, coriaceous, punctate, pubescent; apical margin 

 and about one-fourth of apical cells marked with brown, region of 

 internal angle lighter in color than the rest of the tegmen"; veins 

 heavy, dark brown; five apical and two discoidal cells, the venation 

 agreeing with that of the genus Tricentrus. 



Undersurface of body very dark brown: sides of thorax finely 

 punctate and closely pubescent; trochanters and femora dark 

 brown, tibiae and tarsi ferruginous; hind trochanters strongly 

 armed with teeth on internal surface. 



Length 4.8 mm. : width between extremities of humeral angles 

 2.6 mm. 



Type: female (Baker's duplicate No. 9520). 

 Locality : Sandakan, Borneo. 



Type in author's collection : paratype in Professor Baker's 

 collection. 



29. Centrotoscelus brevispinis sp. nov. (Figs. 11 and 12). 



Near the preceding but larger and differing in the shape and 

 length of the posterior process and in the maculations of the teg- 

 mina. 



Large and robust; head black; pronotum brown, punctate, 

 pubescent: no suprahumeral horns; posterior process short, sharp, 

 tricarinate. tip acute and extending just to the internal angles of 

 the tegmina; tegmina smoky hyaline, base black, veins of central 

 area black and upraised: undersurface of body dark- brown; tibiae 

 and tarsi ferruginous. 



Head black, coarsely punctate, sparingly pubescent, wider than 

 long, roughly sculptured ; base sinuate ; eyes large, prominent, dark 

 brown ; ocelli prominent, somewhat elevated, yellowish, somewhat 

 farther from each other than from the eyes and situated slightly 

 above a line drawn through centres of eyes : inferior margins of 

 genae weakly sinuate, slightly protruding; clypeus black, punctate, 

 pilose with yellowish hairs, longer than wide, extending for more 

 than half its length below inferior margins of genae, tip truncate 

 and denseh pilose. 



Pronotum dark ferruginous-brown except just above the head 

 where the color is much darker, finely punctate, rather densely 

 pubescent : metopidium sloping, a little wider than high, black 

 on lower third and brown above, an irregular callosity above in- 

 ternal angle of each eye. no central carina : humeral angles large, 

 prominent, triangular, blunt: dorsum convex above humeral an- 

 gles, sloping before posterior process : scutellum largely exposed on 



Jour. Straits Branch 



