GEOLOGICAL SURVEY OF THE TEEPJTOEIES. 417 



Length to tip of venter, 3J-5 millimeters. Width across the humeri, 

 IJ-lf millimeters. 



Brought from Colorado and Montana. Specimens were collected by 

 Robert Kennicott in the vicinity of Lake Winnepeg and near Great 

 Bear Lake, in British America. 



CamptohrocJiis, Fieber. 



0. nehulosus, New species. — Form and general appearance of G.imnc- 

 tulatus, Fallen. Pale oiivaceo-testaceous, ovate, robust, polished, coarsely 

 punctured. Head black, polished, impuucturedj the transverse groove 

 in front of the basal carina deep ; the carina, a streak adjoining each 

 eye, a short one on the middle of the face, another on the tylus, and one 

 each side of it pale yellow; antennae with short, hoary pubescence; the 

 basal joint black, polished ; the second piceous yellow, obscured at base 

 and tip; third and fourth obscurely piceous yellow ; bucculis and setae 

 yellow; the rostral sheath more or less piceous, paler on the basal joint. 

 Pronotum grayish-testaceous, regularly convex, with deep, remote, 

 black punctures, which are confluent near the sides ; a large'black cloud 

 on the disk, and several vestiges about the sides and near the posterior 

 margin ; callosities black, smooth, very slightly elevated ; collum, lateral 

 carinss, and posterior edge yellow ; the lateral margins sinuated, de- 

 flexed, carioate on the edge ; posterior margin broadly rounded; feebl^^ 

 sinuated on the middle and also adjoining the humeri; tbe humeral 

 angles a little raised, broadly rounded ; anterior angles almost rectan- 

 gular; pleurce black margined, with yellowish, and together Avith the 

 anterior xyphus deeply, confluently i)unctored. Sternum dull black, 

 I)Osterioriy m.argined with j^ellow ; the odoriferous glands pale yellow. 

 Femora black, remotely whitish pubescent, obsoietely punctured, at tip 

 pale yellow ; the knees with a black spot, tibiai pale yellow, with two 

 I)iceous-black rings a short distance below the knees and another at 

 tip ; tarsi pale yellow, more or less i)iceous at base and tip ; the 

 nails blackish. Scutellum blackish-piceous, confluently punctured, 

 except at tip*; each side of the base and on the apex is an ivory-yellowish 

 spot. Hemelytra olive-testaceoQS, remotely i)unctured with brown; the 

 costal edge, base, tip exteriorly, several large and occasionally coalescing 

 spots beyond the middle and base, interior edge and apex of the clavusand 

 interior corner and apex of the cuneus dark brown ; cuneus broad, short, 

 acute, sharply incised at base ; membrane transparent ; the nervures of 

 the areole, the middle of their margin, a small spot beyond, and a vestige 

 at base brown. Yenter black, polished, remotely, minutely yellowish 

 I)ubescent, finely, remotely, obsoietely i)unctured; genital pieces of the 

 female piceous. 



Length, 3J-4 millimeters. Width across the humeri, IJ millimeters. 



Tinicephaliis, Fieber. 



T. simplex^ new species. — Pale green, opaque, rather robust, minutely, 

 densely pubescent. Head broad and short ; cranium convex ; the base 

 of tylus and each side of middle dusky ; antennoo piceous ; the basal 

 joint blackish ; second joint slender, of uniform thickness throughout, 

 length equal to that of the pronotum and scutellum united ; third joint 

 about two-thirds the length of the second, and about twice the length of 

 the apical joint ; the two last gradually tapering to the tip; rostrum 

 reaching to the intermediate coxa3, the tip piceous. Pronotum trape- 

 zoidal, transverse, imi)unctured ; the callosities covered by a blackish, 



27 as 



