5. Oxyprorella modesta sp. nov.
Male.—About the same size as the preceding, but slenderer and darker colored and with the disc of the thorax beautiful apple-green, occiput short, the vertex also short, excavated anteriorly between the eyes, the fastigium not prominent. Head small, tapering below. Eyes large, prominent. Pronotum moderately elongate, the disc remarkably flat and smooth, bordered throughout with a smooth, slightly elevated ridge or carina. Lateral lobes slightly longer than high, the anterior margin roundly lobate below, lower edge and hind margins also broadly rounded. Tegmina with the margins nearly parallel, the apex obliquely truncate and with the venation something like that in the preceding species. Anterior and middle femora five-spined below, the hind pair seven-spined externally, two-spined internally. Last ventral segment of abdomen of male of moderate size, a little longer than wide, tapering, the apex truncate between short lateral blunt teeth. Cerci curved as in the preceding species, a little flattened from above on their apical half, and terminating in an acute tooth.
General color dull wood-brown more or less mottled with blotches if darker color on the tegmina and exposed portion of the wings. Fastigium of the front and excised portion of the vertex whitish; top of head, disc of pronotum, and immediate base of tegmina above green; border of the disc of the pronotum dull ivory. Dorsum of abdomen tinged with green.
Length of body, male, 13 mm., of pronotum, 3.6 mm., of tegmina, 21.5 mm., width of tegmina, 3.5 mm., length of hind femora, 15 mm.
Habitat.—Rio de Janeiro, October (H. H. Smith). The type alone is at hand. It is in the collection of the Carnegie Museum, Pittsburgh. It would fall in the table of species between zebrata and dives.
