76 DESCRIPTIONS OF NEW SPECIES. 



OCHOtBAEUS Lep. 



2S2. O. frontalis. Ovalis convexus, ferrugineus, breviter fulvo- 

 setosus, punctatus, clypeo antice transversim sulcato, capite inter an- 

 tennas tuberculo parvo armato, inter oculos transversiin paulo elevato, 

 thorace scabio-punctato, postice canaliculate elytris striato-punctatis, 

 interstitiis modice punctatis, haud elevatis. Long. *30. 



Texas ; Mr. Ulke. Yery distinct from our other species by 

 the subacute frontal tubercle. The form of body is as in 0. 

 simplex. The mandibles appear to be destitute of teeth. 



IMPEOTAXIS Kikby. 



*2§3. I>. ptlberillUS. Elongato-oblongus, castaneus, pubeerectahelva 

 vestitus, capite tboraceque confertirn punctatis, clypeo maiginato, antice 

 subtruncato, tborace latitudine plus duplo breviore, antice vix angus- 

 tato, lateribus rotundatis angulis omnibus obtusis, elytris fortius puncta- 

 tis, costis solitis vix distinctis, tibiis anticis obtuse tridentatis. Long. -32. 



Texas ; Mr. Ulke. The claws are cleft as usual. This species 

 must be placed next to D. sordida, though differing greatly in 

 the form of the thorax. 



DASYBERA Lec. 



2S4. I>. ratllVOili. Nigra, pilis longis erectis vestita, tborace dense 

 punctato, longe fulvo-piloso, elytris dense punctatis, breviter nigro- 

 pubescentibus, apice attenuatis divergentibus, guttis parvis flavo-pubes- 

 centibus serie quadruplici positis, antennaruui clava obscure testacea. 

 Long. -40— -60. 



Sacramento Valley, California ; Mr. S. S. Rathvon. The 

 elytra are only two-thirds the length of the abdomen, gradually 

 but considerably attenuated towards the extremity. The antennal 

 club in the male is twice as long as in the female, though smaller 

 than in D. ursina. The lateral tooth of the anterior tibiae is 

 strongly marked, while in D. ursina it is indistinct. 



EACHXOSTERjVA Hope. 



US5. E. maculicollis. Dilute fusco-ferruginea nitida, elongata, 

 tborace parce punctato, apice marginato, fiavo, macula maxima antica 

 nigro, capite confertim punctato, nigro, clypeo parabolico, fortiter mar- 

 ginato. Long. *48 — -55. 

 Two males, Cape San Lucas ; Mr. John Xantus. Resembles 



in appearance some species of Cyclocephala. 



