292 [April, 



Fere immaculati ; saepe versus latera rufescentes ; 



vix conspicue punctulati, 

 20, capite thorace pedibus abdominisque lateribus piceo- 



rufis, illo punctulato 37. modestus Aube. 



20, humeris tibiis tarsisque piceo-testaceis, capite vix 



panctulato 38. axillaris Lee. 



26, niger ore solo rufo piceo 39. fortis Lee. 



21, loagior postice magia acutus, pedibus ore elytrisque 



lateribus testaceis 40. notabilis Lee. 



distinct e punctulati vel punctati, 

 10, latior postice magis acutus, thorace haud impresso 41. niger Say. 

 20, longior ovalis 42. subpubescens Lee. 



B. Praecipe nigri, parum convexi ; thorax inaequaliter punctatus, dis:o saepe 



subl^evi : 

 h. Thorax lateribus vix marginatis ; elytra punctulata : 

 a. thorax cum elytris angulum non formans ; 

 lonyiores fere regulariter ovales 

 14, parcias punctatus, vix pubescens 43. tartaricus Lee. 



16, nigro-rufus, pubescens pectore nigro, thoracis disco 



fere impunctato (angustior, convexior) 44. americanus Aube. 



16, latior, antice magis obtusus, capite thorace, abdominis 



lateribus pedibusque piceo-rufis, pubescens 45. dichrous Mels. 



b. thorax cum elytris angulum obtusissimum formans ; 

 angulis posticis fere reclis (elytra saepe testacea ;) 

 14, niger, vix parce pubescens, parcius punctatus 46. caliginosus Lee. 



125, subtiliter pubescens 47. subtonsus. 



12, glaberrimus 48. varians Lee. 



angulis posticis fere obtusis ; 

 12, niger subtiliter pubescens 49. puberulus Lee. 



i. Thorax lateribus conspicue marginatus, cum elytris angulum haud 

 formans. 

 17, niger punctatus pubescens, pedibus rufo-piceis (species 



dubia) 50. tenebrosus Lee. 



17, niger punctatus pubescens, elytris pedibusque te3- 



ticeis (vid synon.) 50 1 . lutulentus Zee. 



'12, niger parce punctulatus vix pubescens 51. vilis Lee. 1 



13, testaceo-piceus, glaber, thorace disco convexo, elytris 



parce punctatis 52. oblitus Aube. 



14, fusco-testaceus glaber, thorace fortiter marginato, ely- 

 tris parcius punctulatis 53. collaris. 

 15, niger confertim punctatus magis ovalis, glaber 54. latebrosus Lee. 1 



C. Ferruginei, glabri subtiliter punctulati, elytris nigris, fasciatis ; thorace 



ad apicem late infuscato ; 

 14, longior fere ovalis, subtus piceo-niger 55. concinnus. 



13, antice latior et obtusus, subtus ferrugineus 56. pulcher. 



K. Lonyiores, obconici glabri, elytris piceo-testaceis parce punctatis ; epistoma 

 haud marginatum, rotundatum ; antennce maris medio dilatatae. 

 2, Elytra mixte punctata et punctulata 57. conoideus Lee. 



25, Elytra haud punctulata, parce punctata 58. difformis. 



L. Oblongo-ovales, vel ovales, glabri ; thorax angulis posticis obtusis cum 

 elytris angulum obtusum saepe formans ; epistoma haud marginatum, rotundatum. 



k. Longiores, ovales, rude punctati; 

 20, elvtris punctatis, stria suturali duabusque dorsalibus 



distinctis 59. similis Kirby. 



20, elytris punctatis, striis nullis 60. picatus Itirby. 



15, elytris punctatis et punctulatis 61. dispar Ljec. 



1. Ovales punctati ; thorax elytris vix angustior 

 11, elytris parcius punctatis 62. turbidus. 



