76 KANSAS ACADEMY OF SCIENCE. 



obsoletely punctulate. Prothorax beneath at sides, and metasternum at 

 sides, coarsely punctate, each abdominal segment with a row of fine punc- 

 tures. Anterior tibiae tridentate. Length, .40-50 inch; 10-12.5 mm. 



The three specimens before me are males, which vary in the development 

 of the cephalic ridges. The anterior tibial spur is arcuate at tip. This is 

 the largest species known in our fauna, as well as the only one with a polished 

 surface. The mentum is acutely emarginate in front. The general resem- 

 blance of this species to a small Copris Carolina has suggested the name. 



Collected in Santa Fe canon. New Mexico (altitude 7,000 feet), by the 

 Kansas University Scientific Expedition for 1880. 



6. Outhophagus brevifrons Horn. Oval, slightly oblong, robust, convex. 

 Head and thorax more shining, varying in color from bluish to violet or green- 

 ish metallic. Clypeus short and broad, very obtuse in front, the margin broadly 

 reflexed, surface coarsely not densely punctured, suture indistinct. Front 

 more densely and finely punctured. Vertex with a feebly-elevated transverse 

 sinuous ridge. Thorax very little wider than the elytra, anteriorly retuse, 

 and concave at the sides, surface coarsely but sparsely punctured, with finer 

 punctures intermixed, more densely punctured at the middle of the protuber- 

 ance. Elytra broader than long, finely seven-striate, the striae obsoletely dis- 

 tantly punctulate, the outer stria arcuate, intervals flat, irregularly biseriately 

 punctulate, each puncture with a short, erect hair; surface opaque, finely 

 granulate, and with slight purple lustre. Body beneath sparsely punctate, 

 abdomen with few finer punctures at the sides. Anterior tibise quadridentate, 

 the upper tooth smaller. Length, .40 inch; 10 mm. Of this species I 

 have seen four males. It resembles Janus, but is larger, more elongate, 

 thorax more retuse in front, and with a differently formed clypeus and ce- 

 phalic ornamentation. 



Collected by Dr. H. A. Brous on the plains of Kansas, also in Texas. 



7. O. cribricollis Horn. Oval, dark bronze, feebly shining, surface sparsely 

 clothed with short erect hairs. Head with two transverse carinae the one 

 in the frontal suture, the posterior between the eyes. Cypeus coarsely punc- 

 tured, anteriorly deeply emarginate, on each side triangularly dentate, front 

 coarsely punctured. Thorax broad, coarse, moderately shining, surface 

 coarsely and deeply but not densely punctate. Elytra finely striate, inter- 

 vals irregularly and rather densely biseriately punctate. Body beneath 

 smoother than above, very sparsely coarsely punctate. Anterior tibise 

 quadridentate. Length .14-18 inch; 3.5-4.5 mm. This species belongs 

 in the group with tuberculifrons and pennsylvanicus in which the sexes do not 

 differ in the form of the thorax. The clypeus is more decidedly dentate 

 than in the first species, but it diflfers from both by the transverse ridges on 

 the head and the very coarsely punctured thorax, resembling in this respect 

 some of the forms of Janus. 



Collected by Prof. F. H. Snow in Douglas county, Kansas; occurs also 

 in Texas. 



