OF BALANINUS OCCURRING IN BORNEO. 387 



middle, then strongly rovnided and with a deep apical constriction, 

 the apical margin truncate dorsally and with no trace of post- 

 ocular lobes ; in the $ the sides are gently and regularly rounded, 

 and with hardly any apical constriction ; the upper surface 

 coarsely and reticulately punctate thi'oughout. Scutellum slightly 

 longer than broad, with a few dark scales. Elytra with the 

 lateral margins straight, the apices jointly sinuate, the sutural 

 impression confined to the right elytron, shallow and extending 

 from the apex of the basal stripe to the top of the declivity, and 

 the apical third of the suture with raised interlocking black 

 bristles. Legs rather thinly clothed with white setiform scales, 

 the hind femora extending shortly beyond the elytra, and the 

 tibiae straight and with a shallow basal sinuation. Venter of c^' 

 with the anal segment simple and with an apical fringe of 

 yellowish setae ; the pygidium with long dense erect brown setsR. 



Length, 4*5 mm. ; breadth, 2'5 mm. 



Sarawak: 1 S , Mt. Matang, ii. 1914 (type), and 1 5, Quop, 

 iv. 1914 {G. E. Bryant). 



Like a small B. imitator, sp. n., with reduced white markings, 

 except that the basal stripe on interval 1 of the elytia is at least 

 twice as long, the rostrum is more coarsely punctate, the last 

 ventral segment of the S lacks the erect hairs, and the seta^ on 

 the pygidium are much longer. 



21. Balaninus analis, sp. n. (PI. II, fig. 9.) 



S $ . Dull black, thinly clothed above with recumbent blackish 

 scale-like setse, with markings formed of dense broad white scales; 

 the prothorax with a large trausveivse basal white patch on each 

 side extending from the mesepimeron inwardly as far as stria 3 

 of the elytron, and a vertical lateral band on each side of the 

 apex extending from the presternum up to the level of the top 

 of the eye ; the elytra with a white patch surrounding the 

 scutellum on the bases of intervals 1-4, a broad white band just 

 behind the middle between stride 1-10, with its anterior edge 

 deeply sinuate and the portion on interval 4 reduced and some- 

 times absent, a short white stripe on the apical fourth of interval 1 , 

 a few scales at the apex of interval 2, a row of single white scales 

 on the apical fourth of interval 10, and a similar row of much 

 narrower scales on the extreme margin ; the lower surface fairly 

 densely clothed with white scales, which are mostly narrow in 

 the median area and broad laterally, being densest on the front 

 portion of the presternum, on the mesepimeron, mesosternal 

 process, external apical angle of the metasternum, and on the 

 extreme lateral margins of the abdomen ; in the S the scales in 

 the centre of the metasternum are very long, narrowly lanceolate 

 and obliquely raised, and those in the centre of the first ventral 

 segment are setiform. 



Head with the rostrum arising in the S far above the middle 

 of the eye, its upper surface being on a level with the top of the 



Proc. Zool. Soc— 1919, No. XXYII. 27 



