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Show 278 MR. M. JACOBY ON COLEOPTERA [May 21, closely covered with dark and partly fulvous pubescence, obscuring the punctuation, the sides nearly straight, the anterior angles sub-tuberculiform, each furnished with a single hair, the surface with a transverse distinct depression near the base and two strongly raised tubercles near the anterior margin; scutellum triangular, closely pubescent; elytra finely punctate-striate, transversely depressed below the base, the interstices longitudinally costate, those at the base and the second subsutural costa at the middle more strongly raised than the others, the surface closely covered with dark fuscous or greyish pubescence, the sutural margin aud a narrow space at the middle of the disk brighter fulvous or yellowish ; each elytron with three transverse rows of irregularly placed small white spots, the first row placed near the middle, the second below the latter, and the third near the apex. San Esteban, near Puerto Cabello and La Guaira. O. carinatus, although very closely allied to O. bituberculatus, O. fuscatus, Clark, and 0. albomaculatus, Jac, seems to differ sufficiently from either species to justify its separation. It differs from the two first named species in the short but distinct longitudinal ridge of the head and in the different colour of the elytra. O. albomaculatus is a smaller insect, the head has no ridge, and the elytra are of a more uniform coloration, but have the same small white spots placed similarly ; the thorax is, however, less transverse. The colour of the present insect is subject to great variation, some specimens being nearly black, others greyish white or dark fulvous and variously spotted; the more brightly coloured sutural margin and a narrow elongate space on the middle of the disk seem, however, to be constant in all specimens; the anterior legs are generallv fulvous, the others darker and spotted. HYPOLAMPSIS FRAGILIS, Clark. Caracas. PHYSIMERUS SIMONI, n. sp. Dark brown or fuscous, clothed with bright flavous pubescence; antennae with the 7th and 8th joints fuscous; elytra with the basal portion raised, irregularly variegated with flavous or greyish pubescence and some obscure transverse darker markings. Length 1-g-If h\\e. Head dark brown, the vertex finely rugose, clothed at the sides with goldeu-yellow pubescence ; eyes large; palpi cylindrical, scarcely thickened ; antennae slender, two thirds the length of the elytra, dark fulvous, the base of each joint often darker, the seventh and eighth entirely dark, the third and the two following joints slender and equal, the following ones gradually shortened ; thorax nearly quadrate, narrowed at the base, the sides straight at the latter place, rounded and widened before the middle, the anterior angles slightly tuberculiform, the surface depressed at the posterior portion, giving the middle part a transversely raised appearance when viewed sideways, clothed with short golden-yellow pubescence, principally at the |
