16 COLEOPTERA OF KANSAS 



characters are nearly as in that species ; the anterior femora have on the anterior 

 face near the base an oval patch of yellow hair ; the tibia) are dilated internally at 

 the middle into an obtuse angle, then broadly emarginate to the tip, at the inner 

 side of which is a dense short brush of yellow hair; the first three joints of the 

 anterior and middle tarsi are dilated, and furnished beneath with a dense brush of 

 yellow hair; the middle tibiae are thick internally at the apex and have also a 

 brush of hair. 



XYSTROPUS SOUER. 



X. pinguid, ater opacus, subtilissime punctulatus, brevissime pubescens, thorace brevi, lateribus 

 valde rotundatis, basi sinuate, angulis posticis baud prolongatis, elytris striatis, interstitiis paulo 

 convexis. Long. -37. 



Santa Fe, Mr. Fendler : one specimen. Resembles X. brevis ( Cistela brevis Say), 

 but differs in the antennae and feet being entirely black. The thorax is less deeply 

 sinuate at the base, and the posterior angles are less acute, and not prolonged. 



C. vittatlis, niger, capite thoraccque opacis, vagc grossc punctatis, illo ad basin fere truncate, hoc 

 subquadrato, subtiliter canaliculate, ad basin valde emarginato, elytris brevibus, inflatis obtusis, 

 cribrato-punctatis, vitta angusta rubra abbreviata ornatis, abdomiue amplissimo Isevigato. Long. 

 5_-f. Tab. II, fig. 9. 



LEG. Proc. Acad. Nat. Sc. VI, 330. 



New Mexico, Dr. Wislizenus : found on the journey from Santa Fe to Chihuahua. 



C. wislizeni, cyanescens, nitidus, capite thoraceque grosse punctatis, illo postice rotundato, hoc 

 pentagono, canaliculate, angulis lateralibus acutis, elytris splcndide cyaneis, sphericis, foveis pro- 

 fundis confertis cancellatis. Long. -45 65. Tab. II, fig. 10. 



LEC. Ann. Lye. Nat. Hist, of New York, V, 158 ; Proc. Acad. Nat. Sc. VI, 330. 



Drs. Wislizenus and Webb, found in the same region with C. vitiatus. 



MORDELL.A FABR. 



M. illftiilntn, longiuscula, nigra, capite thoraceque cinereo haud dense pubescentibus, hoc latitu- 

 dine breviore, lateribus late rotuudatis, elytris pube nigra indutis, sutura basique cinereo-margi- 

 natis, vitta obliqua a humero ad quadrantem extensa, maculaque transversa pone medium dense 

 cinereo-pubescentibus ; subtus maculis lateralibus cinereo-pubescentibus, antennis thorace longiori- 

 bus basi, tibiis tarsisque anticis fusco-testaceis, stylo anali elongato. Long. &quot;18 ~21. 



Two specimens, from Fort Riley; Mr. John Xantus. Approaches M. oculata 

 Say, more nearly than any other species, but is readily distinguished by the mark 

 ings as above described; the oblique vitta from the humerus does not reach the 

 suture ; the scutellum is densely clothed with cinereous hair. 



MORDELLISTENA COSTA. 



ltt. ;rinnl:i. clongata, parallela, nigra, pilis pallide sericeis obsita, elytris evidenter punctulatis, 

 pedibus posticis, tibiis carinulis numerosis brevibus obliquis, tarsorum articulo Imo tibia vix bre 

 viore, 5-carinulato, 2d bicarinulato. Long. -18. 



One specimen : Platte river. Elongate, not attenuated behind, black, above and 

 beneath with gray silvery hair; head and thorax very finely punctulate, the latter 



