198 THE INSECTS OF GAYNDAH, 



the clypeus subtriangular, emarginate at the sides with a raised 

 margin and two small tubercles in front, and with the man- 

 dibles externally tridentate. . Thorax convex, subtransverse, 

 rounded on the sides and posterior angles, almost truncate at the 

 base, and thinly punctate except near the anterior margin, with a 

 small tubercle, and a round excavation behind it on the anterior 

 margin in the male, and an almost obsolete impression in the 

 same place in the female. Scutellum large, smooth and rounded 

 behind. Elytra with the suture brown, with a deep stria on each 

 side of it, and with the rest of their surface covered with irregular 

 rows of coarse punctures, the punctures becoming smaller and 

 denser towards the sides and apex. Legs and under side of body 

 piceous, nitid and fulvo-pilose. 



398.— ISODON L^VICOLLIS. n. sp. 



Length 8 lines. 



Head and clypeus brown, transversely rugose, the latter with 

 raised margins and two small tubercles in front as in the last 

 species, and with the mandibles externally ti-identate, the posterior 

 tooth much larger than the others. Thorax convex, piceous red, 

 nitid and smooth. Scutellum also piceous red, large, rounded 

 and smooth. Elytra black and nitid, with the suture piceous red, 

 with a stria on each side of the suture, and with the rest of their 

 surface covered with rows of large punctures much as in the last 

 species but more regularly disposed. Pygidium smooth. Legs 

 and under side of body piceous red, and moderately pilose. 



The only specimen I have seen is a female. 



399. — Heterontchus picipbs. n. sp. 

 Length 8| lines. 

 Black, nitid. Head rugose with two small tubercles on the 

 transverse ridge, with the clypeus subtriangular and emai'ginate 

 in front, and with the mandibles toothed as in the last species. 

 Thorax convex, smooth, and very minutely punctate, with a very 

 slight depression in front in both sexes. Scutellum smooth, 

 rounded at the apex. Elytra with a deep stria on each side of 

 the suture, a smooth space beyond these strias, punctured strise 



