of the Amazons Valley. 223 



stricto ; elytris apice sinuato-truncatis angulis haud productis. 

 Long. 4i lin. 6 $ . 



Head brown, vertex with one, forehead with two ashy stripes. 

 Antennae clothed with stiff setse, pitchy black, base of the fifth 

 joint with a white ring; in the male the base of the fourth joint 

 is also ashy. Thorax short and rather rounded on the sides, 

 slightly tumid not far from the base, and then gradually narrowed 

 to the base : surface black, centre with two short lines in front 

 and a longer line behind (pointing between the two short ones) 

 ashy j the sides have each two ashy lines, besides the ashy stripe 

 lying over the fore coxae. Elytra moderately prominent at the 

 shoulders, apex somewhat narrow and truncated in a slightly in- 

 curved line, with the angles not at all prominent ; surface punc- 

 tured and clothed with fine setse, black, varied with a large 

 number of ashy spots of an oblong or short linear form ; apex 

 white. Body beneath greyish. Legs pitchy, clothed with grey 

 pile j femora with a grey central ring ; tarsi grey, two terminal 

 joints black : fore tarsi of the male strongly dilated and ciliated. 



6 . Terminal ventral segment broadly truncated, angles pro- 

 duced into long spines ; dorsal notched. 



$ . Terminal ventral segment narrowed towards the tip, angles 

 produced into spines ; dorsal also narrowed, notched at the apex. 



Ega, on branches of dead trees. There is a handsome species 

 in collections from Mexico, which much resembles C. obtusa in 

 the form of the thorax *. 



10. Colohothea humerosay n. sp. 



C. elongata, variegata, thorace tuberculis acutis lateralibus retrorsum 

 spectantibus mox ante basin sitis ; elytris humeris antice dilatatis, 

 griseis, carneo maculatis, utrinque fasciis macularibus tribus nigris ; 

 pedibus carneo nigro griseoque variis. Long. 4^-6 lin. c? $ . 



Head blackish, forehead with three indistinct yellowish lines, 

 vertex with two similar lines diverging on the occiput, cheeks 

 striped with ashy ochreous. Antennae pitchy, bases of the fourth 



* Colohothea leucophcea (Clievrol. MS. sec. Dom. Deyrolle). Latiuscula, 

 depressa, nigra, cinereo variegata. Caput nigrum, fronte cinereo obscure 

 lineata, vertice vittis duabus cinereis postice divergentibus. Antennae 

 piceae, articulis basi cinereis. Thorax brevis, lateribus rotundatis, ante 

 basin tumidis, deinde constrictis ; dorso nigro, medio vitta lata (lineola 

 nigra ineludente) lateribusque maculis tribus cinereis. Scutellum tri- 

 angulare, nigrum, cinereo marginatum. Elytra latiuscula, depressa, 

 postice modice attenuata, truncata, angulis exterioribus spinosis ; nigra, 

 maculis cinereis confluentibus conspersa, relictis fasciis interruptis 

 angulatis duabus nigris, una ante, altera pone medium. Corpus subtus 

 dense cinereo tomentosum. Pedes cinerei. tibiis piceis cinereo annu- 

 latis,tarsis cinereis apice nigris. Foeminae segmentum ultimum abdomi- 

 nale attenuatum ; lamina ventrali longe bispinosa. Long. 6^ lin. $ . 

 Hah. in Mexico. 



