168 XATFEAL HISTORY OF 



scales, which are either white or green. The head 

 and central portion of the thorax are more or less 

 green, but the scales are usually abraded, when they 

 appear shining black; the sides of the latter are 

 whitish. The elytra are marked with deep furrows, 

 which approximate in pairs, and are more or less 

 filled with white scales, making the surface appear 

 as if lined with white. The under parts of the body, 

 and the legs, are green, except where the black sur- 

 face is exposed by the scales being rubbed off. 



Found in considerable abundance in Brazil, Cay- 

 enne, and other parts of tropical America. It is 

 almost always found on the trunks of trees, and falls 

 to the ground when the hand is extended to seize 

 it. 



ELATER LINEATUS. 



PLATE VII. Fig. 3. 



Fabricius — Olivier, ii. No. 31, pi. 6, fig. 63 — Hemirhipua 

 lineatus, Latreille, Dejean. 



The prevailing hue of this large and conspicuous 

 insect is black, and the surface is covered with a 

 fine pubescence, which gives it a silky gloss. The 

 body is elongate, and rather obtuse at the two ex- 

 tremities. The antennae are black. The head, 

 outer margin of the thorax, and a line down the 

 middle, are covered with silky pubescence of a red- 

 dish colour. The elytra are striated,- black, with a 



