o/ the Amazon VaUey. 28 



near the middle is a trilobed ochreous spot, and near the apex 

 over the suture is a much broader but similar spot, the two con- 

 nected by an ochreous sutural line. Body beneath tawny ashy. 

 Legs moderately long; thighs abruptly and strongly clavate, 

 dasky, with ashv pile ; two basal joints of the tarsi grey. 



cf Terminal abdominal segment with dorsal and ventral plates 

 very slightly emarginated. Fore and middle tarsi broader than 

 those of the hind legs. 



Obydos, on the Guiana side of the Lower Amnont $ rare. 



2. Eittrypami mtuh, n. sp. 



E. oblongus, brunneus : thorace nisro Ttttato, elvtris nigro cinereo- 

 qne strigosis : spinif thoraeieii brenbm, eonieis, pone medium 

 sitis : elvtris breviftir Miqait tranettia. Long. 4|' liii. $ . 



Head brown, vertex with two black spots. Antennae dull 

 reddish, bases of joints greyish. Thorax with small and conical 

 lateral tubercles placed a little behind the middle, disk oneren, 

 brown, the middle part with twu black vittae, the sides above the 

 tubercles each with two short black lines, below the tubercle a 

 broad black streak. Elytra moderately broad and convex, cuni- 

 linearly narrowed from near the base to the apex, the latter 

 briefly and obliquely truncated ; lateral cariiue moderatdy acute 

 and smooth, and reaching beyond the middle of the elytra; 

 surface and sides scantily punctured towards the baae, brown, 

 with many black and ill-defined longitudinal streaks, beaides a 

 broad indistinct ashy streak beginning at the shonlder, bending 

 towards the suture, and then continumg, parallel to the suture, 

 to the apex ; the mode of coloration gives to the insect a striking 

 resemblance to a small chip of bark. Body beneath dusky, with 

 scant ashy pile. Legs reddish, ringed with ashy. 



$ Onpositor projecting very sli^tly beyond the tips of the 

 elytra ; dorsal plate obtusely rounded at the tip, ventral trun- 

 cated. 



Banks of the Cupari, a branch of the river Tapajoa. 



8. Eutrfpmmm mtertus, n. sp. 



E. elongatus, subangustatns, fiilvo-griseus, tatus et macu- 



latus : spinis thoradds parvis, conicis, po: m sitis : elytris 



postice attenuatis, apice breviter truncatis, nee dentatis. I/>Dg. 

 4^6 lin. c^ . 



Head blackish, orbits of eyes fulvous. Antennae black or dull 

 red, third to sixth joints ringed at the base with grey. Thorax 

 not much broader than the head ; lateral tubercles small, placed 

 a little behind the middle ; disk slightly uneven, ashy tawny, 

 with six black vittae, the two outermost of which are below the 

 lateral tubercles. Elytra elongate, gradually narrowed to near 



