uncharacterized species of Humolpide. 499 
themselves; outer limb rugose, the sutural margin 
subcostate. 
Chalcophana opulenta. 
Oblongo-ovata, rufo-testacea, nitida, antennis, tibis 
(basi externa excepta) tarsisque nigris; thorace remote 
et minute punctato; elytris crebre confuse punctatis, 
prope marginem unicostatis, rufo-aureis ; viridi anguste 
limbatis. Long 43 lin. 
Hab. Bogota. 
Head trigonate, rather longer than broad; face deeply 
excavated between the eyes, the excavation extending 
upwards and forming a wedge-shaped fovea on the front 
and vertex; eyes, apices of jaws, palpi and antenne 
black, the latter two-thirds the length of the body, 
robust, slightly increasing in‘ thickness towards the 
apex, the two lower joints nigro-piceous. Thorax twice 
as broad as long at the base; sides slightly rounded, 
converging from the base towards the apex, all the 
angles submucronate ; disk shining, remotely punctured. 
Scutellum piceous. Elytra oblong, conjointly angulate- 
rotundate at the apex; convex, closely punctured, 
rugulose; on the side below the humeral callus is an 
ill-defined longitudinal costa, rufo-aureous; the outer 
limb, together with the extreme sutural margin, metallic- 
green. 
Chalcophana mexicana. 
Anguste ovata, convexa, rufa, nitida, antennis, basi 
exceptis, tarsisque nigris; thorace nitido, impunctato ; 
elytris metallico-purpureis, limbo laterali anguste rufo ; 
infra basin sat profunde excavatis, confuse subseriatim 
punctatis, punctis ad apicem minus distinctis. 
Mas. Tarsorum anticorum quatuor articulo basali 
dilatato, quam lato plus dimidio longiori, semiovato. 
Long. 3 lin. 
Hab. Mexico. 
Head wedge-shaped, rather longer than broad; 
antenne very slightly thickened towards the apex, 
nearly equal to the body in length, black, the three 
lower joints rufo-fulvous. Thorax twice as broad as 
long; sides almost straight and parallel from the base 
nearly to the middle, thence rounded and converging 
towards the apex, all the angles mucronate; disk 
