Ceylon Coleoptera, Sfc. 



11 



behind. These insects vary a little as to shape, some being 

 more narrowed behind than others, and also as to the exact 

 number of the abdominal segments left uncovered by the ely- 

 tra, generally three or four. The head is large, but exhibits 

 nothing abnormal or extraordinary ; the thorax is very large, 

 emarginated in front and behind, with the angles acute, the 

 basal ones enveloping the shoulders; the wing-covers are 

 subquadratic, with the angles rounded off and a little narrow- 

 ed behind ; the legs have the tibiae incrassated in the middle, 

 and the posterior coxa3 very much dilated and distant from 

 each other ; in all other respects they are typical. The shape 

 of the body is that of an egg, broadest at the shoulders, 

 gently narrowed towards the apex of the abdomen, and round- 

 ed off towards the head. 



11. Teichopteryx immatura. iS T . 



T. praBcedenti similis, dhTert tamen colore supra ameo-testacea, subtus 

 testacea, antennarum art. 3-11 nigrescentibus ; differt etiam corpore ro- 

 bustiore, magis quadrato, capite paulo rnajore, thorace minus convexo, 

 parum ampliore, ely tris abdomen totum vel fere totum obtegentiis. Pedes, 

 antennae etc. ornnino praecedentis. Long. corp. ^ lin. 



In prsecedentis societate specimina nonnulla legi. 



Of somewhat the appearance of an immature individual of 

 the former, but sufficiently distinct to be formed into a new 

 species. The insect is altogether of a different appearance, 

 imparted to it by the greater general plumpness of the body, 

 the larger head, the less convex, but at the same time, pos- 

 sibly still ampler thorax, the altogether more quadratic shape, 

 etc. The remark regarding? the exact number of abdominal 

 segments, left uncovered by the elytra, applies to this and all 

 other species as well. The present one has generally the last 

 two segments uncovered* 



12. Teichopteryx invisibilis. ST, 



T. ovata, subdepressa, subparallela, pilosa, supra obscure senea, subtus 

 1857* p 



