r 
30 Mr. Joseph $. Baly’s descriptions of 
medial lobe distinctly produced, rounded; sides rounded, 
converging from base to apex; hinder angle acute, 
anterior curved slightly outwards, its apex obtuse ; upper 
surface transversely convex, closely and rather coarsely, 
but not deeply punctured, faintly rugulose, interspaces 
egranulose-punctate ; scutellum small, triangular ; elytra 
strongly punctate-striate, interspaces finely but distinctly 
punctured. 
Genus RHYPETRA. 
Corpus elongato-ovatum, convexum, subnitidum. Caput 
modice exsertum; antennis 11-articulatis, filiformibus, 
corporis dimidio longioribus; carind distincte elevata ; 
encarpis distinctis ; oculis sat magnis, prominulis. Thorax 
transverso-qnadratus, lateribus fere rectis, angulis dis- 
tinctis; disco ante basin lined transversa, utrinque ad 
marginem basalem curvaté, impresso. Elytra thorace 
latiora, ovata, convexa, longitudinaliter costata. Pedes: 
coxis anticis vix elevatis; femoribus posticis modice 
incrassatis; ¢ébiis posticis apice spina acuta armatis; 
quatuor anticts apice inermibus; unguiculis appendiculatis. 
Prosternum elongatum; acetabulis anticis late apertis. 
Mesosternum cuneiforme. 
Type, Rhypetra costata. 
Rhypetra costata. 
Elongato-ovata, convexa, viridi-metallica, subnitida, 
thorace basi linea transvers& curvata impresso, granuloso, 
minute sed subremote punctato ; elytris eneo-micantibus, 
utrisque quadricostatis, interspatiis transversim ruguloso- 
strigosis. 
Long. 34 lin. 
Hab.—Columbia. 
Head triangular, face elevated between the eyes, carina 
linear, ill-defined, encarp pyriform, their lower halves 
separated by the apex of the carina; antenne more than 
two-thirds the length of the body. Thorax about one- 
fourth broader than long; sides straight, slightly con- 
verging near the apex; posterior angles acute, anterior 
subacute ; upper surface somewhat flattened, closely granu- 
lose. Elytra oval, each with four broad longitudinal coste, 
interspaces coarsely rugulose-striate. 
