DESCRIPTIONS OF NEW SPECIES. 31 



on the thorax, but become longer on the elytra, and are numer- 

 ous at the sides; on the abdomen, which i> aboul as long as the 

 elytra, the hairs are long, and tolerably thickly distributed ; the 

 two anal processes are stout and conical, and aboul one-half the 

 length of the abdomen ; the base of the antennae, and the feet 

 are pale yellow. 



COPROPORIS Kraatz. 



10*2. C. grossulus. Latiusculus, parum convexus, niger nitidus, 

 tborace obsolete, elytris parce punctulatis, his versus niarginem longi- 

 tudinaliter impressis, abdomine supra et subtus subtiliter punctata ; 

 antennarum basi pedibusque piceo-testaceis. Long. -17. 



Arizona; in trunks of Cereus giganteus. Much larger and 

 less convex than our other species ; the mesosternum is very 

 strongly carinate ; the antennae are black with the exception of 

 the three or four basal joints, which are dark testaceous. The 

 sides of the abdomen are provided with a few long bristles. 



103. C. pmictipeiinis. Convexus, niger nitidus, thorace obsolete 

 punctulato, lateribua diapbanis, elytris sat dense punctulatis, ad latere 

 longitudinaliter impressis, margine apicali piceo, abdomine vix punctu- 

 lato, segmentis singulis piceo-marginatis ; antenuis pedibusque fusoo- 

 testaceis. Long. -09. 



Fort Yuma, California ; Of the same size and shape as C. ven- 

 triculus, but the elytra are more densely punctulate, and the 

 apical margin as well as the segments of the abdomen are tinged 

 with pale piceous. 



104. C. laevis. Convexus, niger nitidus, tborace laevissimo, lateribua 

 diapbanis, elytris obsolete punctulato-rugosis, versus marginem medio 

 impressis, margine apicali abdomineque piceis, hoc vix parce punctula- 

 to, autennis pedibusque piceis, illis basi oreque testaceis. Long. *09. 



Southern States; common. Of the same size and shape as 

 C. ventriculus, but easily distinguished by the almost impercep- 

 tible punctures of the elytra. 



nOLETOBHS Leach. 



105. It. ccntilis. Capite latitudine dnplo longiore nigro, ore flavo, 



thorace latitudine baud breviore nxfo flavo, elytris nigris, limbo basali 

 latiore, apicalique angusto rufo-flavis, Beriebna panctornm Bolitis 

 conspicuis, abdomine rufo-flavo, segmentia altimia sapra et sabtua ni- 



