191V.1 155 



fdi'dc/ocJKin'sJ'nc/'coId, u. sp. 



Very narrow, elongate, fragile, and depressed ; obscure brown, head and 

 abdomen black. Antennae and legs testaceous. Length 1 '4 mm. Head large, 

 a little longer than broad, almost as wide as the thorax, slightly narrowed in 

 front, sides nearly parallel, posterior angles rounded; the vertex broadly im- 

 pressed. P^,yes veiy small. Surface not perceptibly punctured, very tinely 

 alutaceous and pubesceut, scarcely shining ; mouth-parts testaceous, the 

 third joint of the maxillary palpi slightly iufuscate. Antennae longer than 

 the head and thorax, the first and second joints elongate, stouter than the 

 succeeding, the first a little longer than the second, the third transverse, 

 the fourth to tenth as long as bruad, eleventh elongate, oval. Thoiax shaped 

 as in Adienkim, trapeziform, as long as broad, widest at the anterior angles, 

 uiUTower at the base, posterior angles rounded ; broadly impressed on the disc 

 fur the whole length, sculpture as on the head and tinely pubescent. Elytra 

 narrower than, and as long as the thorax, longer than broad, sutural angles 

 rounded, the sculpture and pubescence similar to that of the fore-parts, l^egs 

 rather stout, diriy te>taceous. Abdomen elongate, as long as the fore-parts, 

 slight y enhirged posteriorly, densely and tinely punctured and pubescent 

 throughout. Last ventral segment of J produced, feebly eniarginate, not 

 narrowed. 



Hah. : Changi, Singapore, on sandy beaches under sea-weed. 



A very active species. Type in my collection. 



June llth, 1917. 



DESCRIPTION OF A NEW SPECIES OF THINOBIUS. 

 BT MALCOLM CAMERON, M.B., E.X., F.E.S. 



Thiiiohius (s. str.) mariims, n. sp. 



Black, elytra, legs, and antennae dirty testaceous, the last iufuscate 

 towards the apex. Elytra longer than broad. Length l|-lf mm. More 

 depressed and fragile, the antennae much stouter, the eyes smaller, and the 

 surface rather more shining than in T. hmyipeiinis lieer. [lead lar<je, tians- 

 verse, subquadrate, rather convex, posterior angles rounded, narrower than the 

 tl oi-;ix, not visibly punctured, densely and finely aluiaeeous ; temples longer 

 than ihe diameter of the eyes. Antennae lonjier than the head and thorax, 

 the ti.st two'joints rather stout, the second shorter than the first, the third as 

 broad as long, the fuurih to eigiith tiansverse, gradually increasing in breadth, 

 the ninth and tenth square, the eleventh oblong, pointed. Thorax broader 

 than long, almost semicircular, without impressions on the disc; sculpture aa 

 on the head. Elytra much longer than the thorax, longer tban broad, sutural 

 angles loai.ded; very finely sculptured, finely and rather thickly pubescent. 

 Abdomefi parallel-sided, finely and rather closely punctured and pubescent 

 throughout. 



Hub. : Changi, Singapore, on sandy beaches under sea-weed. 



Type in my collection. 



June I7t/i, 1917. 



