OF AMERICA NORTH OF MEXICO. 27 



Georgia. The joints of the abdomen are margined with yellow, and there are 

 spots of the same on the postpectus. 



7. C. RURicoLA. — Nigro-brunneus J Ihorace scabro, globoso, margine antico flavo : elytris postice magis 



angustatis, macula subbasali, linea valde hamata, fasciaque pone medium sub-obliqua utrinque Isete 

 flavis, apice truncata ; antennis pedibusque testaceis, illis apice femorumque clava fuscis ; femoribus 

 posticis ultra elytra extensis. Long. -IS. 

 01. Lap. 56, pi. xi. fig. 65. 



Pennsylvania, Ohio. 



h. Front with two carinse ; antennae inserted in an acute carina. 



8. C. uNDULATUs. — Niger, thorace scabro, subtransverso, medio subelevato margine antico et postico flavis; 



elytris gutta pone basin, linea hamata postice sinuata, fascia pone medium sinuata, utrinque flavis ; 



apice truncate cum scutello flavo marginato ; antennis pedibusque fusco-rufis, femoribus posticis ultra 



elytris non extensis. Long. -^ — -6. 

 Say. 1. c. 



C. undatus, Kirby. 

 C. Sayii, Lap. 55, pi. xi. fig. 64. 



Lake Superior, tolerably abundant. Varies with the markings white and 

 connected by longitudinal lines. The female has the head coarsely granulated ; in 

 the male there are two large spots nearly meeting on the vertex, which are finely 

 granulate ; there are two small carinse on the front. 



9. C. Fuscus. — Castaneus, thorace scabro, transverse, medio subelevato lateribus late vage cinereis ; elytris 



puncto subasali, linea hamata postice sinuata, fasciaque pone medium sinuata utrinque angustis cinereif, 

 apice truncata extus acuta ; antennis pedibusque rufis, femoribus posticis ultra elytra non extensif , 

 Long. •45. 

 Kirby. N. Z. 



New York and Pennsylvania. Only differs from the preceding in the pubescence 

 of the thorax, the head has two finely granulate spots, and there are two frontal 

 carinae. 



10. C. GRAMiNEUs. — Fusco-nigcr pilis cinereis intermixtis, thorace scabro, vix transverso, medio subelevato, 

 a medio antrorsum recte angustato ; elytris macula parva subbasali, linea hamata fascia pone medium 

 biangulata, utrinque cinereis, subobliteratis, apice truncata cinereo marginata, spina externa armata ; 

 femoribus posticis ultra elytra extensis. Long. -6. 



Hald. 1. c. Klug. 



Oregon. Mr. Wilcox. One male, the frontal carinse longer than in the preceding 

 and the finely granulate spots smaller. 



11. C. CAMPESTKis. — Subtus uiger cinereo fasciatus; thorace obscure ferrugineo, disco nigricante transversim 



scabroso, latitudine baud breviore, antrorsum a medio recte angustato, apice basique cinereis ; elytris 

 testaceis, nitidis punctatis, parce longius cinereo-pubescentibus, apice truncata, subacuta ; antennis 

 nigris pedibus testaceis, femoribus posticis elytris brevioribus. Long. •45. 



Oliv. iv. pi. 70, fig. 45. 



C. terminans, Fab. teste Germar. 



