Pliijtopliafjous Coleoptera, S^'c. 243 



magna, subovata, prope suturam, secunda minori infra 

 calluni liiimerale tertiaque apicali flavis. 



Long. 3 1 lin. 



Hab. — Peru. 



Head subrotundate ; vertex sliining, impunctate, dark 

 piceous ; encarpas subquadrate, oblique, contiguous at 

 their inner angles ; carina obsolete ; eyes black, distinctly 

 sinuate within ; antennas filiform, the 3rd joint twice the 

 length of the 2nd ; the eight lower joints piceous, the rest 

 broken off. Thorax nearly three times as broad as long 

 at the base ; sides straight, slightly converging from base to 

 apex ; the anterior angles obtuse, the hinder ones acute ; 

 basal margin transversely truncate, obliquely truncate on 

 either side near the outer angle ; disk shining, impunctate, 

 impressed on either side at the base with a large ill- 

 dehned fovea. Scutellum trigonate, its apex obtuse. 

 Elytra narrowly ovate, not dilated posteriorly, convex, 

 not depressed below the basilar space, finely punctured. 



Disonycha Erichsoni. 



Elongato-ovata, convexa, nigra, nitida, antennis basi 

 piceis ; thorace l^vi, basi leviter transversim sulcato, 

 angulis anticis sordide albidis ; elytris tenuissime punc- 

 tatis, fascia basali, secunda prope medium tertiaque apicem 

 versus, flavo-albis, his fasciis vix intra marginem lateralem 

 abljreviatls. 



Long, o^ lin. 



Hab, — Peru ; Banks of Xapo. 



Vertex smooth, impunctate ; front impressed on either 

 side with a deep groove, Avhich, after running along the 

 upper half of the inner orbit of the eye, ciu-ves inwards to 

 the carina ; encarpas obsolete ; carina raised, linear, con- 

 tinuous with the fi'ont; eyes sinuate-emarginate ; antenna 

 filiform, moderately robust, the 2nd joint short, two-thirds 

 the length of the 1st; the 3rd nearly equal in length to 

 the two preceding united. Thorax twice as broad as 

 long; sides slightly converging and very slightly rounded 

 from the base towards the apex, the anterior angles thick- 

 ened, dirty white; the hinder angles armed with a fulvous 

 tubercle ; above shining, impunctate, impressed at the 

 base with a shalloAv transverse groove, which extends 

 nearly across the disk, and is more deeply impressed and 

 more distinct at cither end. Elytra broader than the 



