CRYPTOCEPHALINARUM BOREALI-AMERICAE DIAGNOSES. 259 



44. C. Lixus Nm. id. " Antennae testacese, apice fuscescentes : caetera testacea, 

 vittis vix distinctis, prothoracis elytrorumque communibus 4 luteolis : elytra striata, 

 striis profunde punctis. (Corp. long. -14 unc. lat. -OS unc.) Florida. 



45. C. LUTEOLUs Nm. id. " Antennae luteolae, apice fuscescentes ; oculi nigri : 

 elytrorum macula minuta humerali, altera subapicali, strigaque antica, discoidali, 

 brevi, nigris ; caetera luteola : elytra glaberrima, 8-striata, striis profunde punctis. 

 (Corp. long. -14 unc. lat. -08 uqc.)" Florida. 



46. C. PUNCTiPES Say. 1824. J. acad. 3,438. 51. C. parvulus f . 2,57. 



47. C. NiGRicoRNis Say. id. 3,436. 52. C. detritds^. 0/w>r. 



48. C. oBSOLETUs Ger^war. Sp, nov. ,559. 53. C. EQUESTRisjO^y. 



49. C. piCTURATUs Germ. 54. C. pubescens F. 2,43. 



50. C. NANUS F. 2,56. 



PACHYBRACHIS^CAeyr. 



~r 1. Disperse punctati. 



A. Elytris flavis, nigro-vittatis. 



B. Elytris nigris. 



C. Elytris nigris, rufo-maculatis. 



D. Elytris nigris, flavo-maculatis. 



E. Elytris nigris, lineolis vel punctis flavis. ' 



— ^ 2. Punctato striati, vel striatc-punctati. 



F. Elytris flavis : a nigro-vittatis : b nigro-lineolatis. 



G. Elytris nigris, flavo-maculatis. 



A. 



55. P. BiviTTATUs Say. (Crypt.) J. acad. 3,440 :8. Am. ent. pi. 28. Flavo- 

 rufescens, subtus pilosus : capite dense punctato ; fronte impressa ; antennis 

 palpisque apice nigris ; orbitis subflavis : pronoto dense punctato, lateribus flavis : 

 scutello nigro vel flavo : elytris irregulariter punctatis, apice impunctato ; vittis 2 

 latis (exteriore interrupta) marginisque tenuissimo nigris : dorso nigro ; pygidio flavo, 

 dense punctulato, punctis piliferis : pedibus flavo-variegatis, tarsis nigricantibus. 

 Long. 2 lin. 



The flavous color of the head and pronotura is sometimes indistinct, and the 

 external vitta is limited to two or three maculae. There is a marginal and two 

 submarginal punctate-striate series. Both sexes seem to have the apex of the venter 

 foveolate. Missouri Territory. Arkansa. 



66 



