OF AMERICA NORTH OF MEXICO. 37 



This genus has been associated with the Leptur(B, on account of its head, which is 

 a little narrowed behind the eyes, and more porrected than is usual in the present 

 tribe ; we have already seen that these are not reliable characters, and I have 

 removed it from the Lepturidce on account of its globular anterior coxae. 



1. D. UNDATA. — Piceus dense breviter cinereo-pubescens, thorace utrinque constricto, linea dorsali, callisque 

 4 glabris, Isevibus ; elytris grossius 4-seriatim punctatis, interstitiis punctis paucis, fasciis 2 angulatis 

 atris, versus basin nebulosis. Long. 1"05. 

 Dej. Cat. 



Georgia, New York, rare. The antennae are setaceous, and longer in the male 

 than in the female. 



Group 14. 



In this gioup the highest development of the tribe is reached : the anterior 

 acetabula are round and entire ; the front immediately below the antennse is 

 perpendicular, but from the oblique position of the mandibles this is not very 

 conspicuous. But what especially distinguishes this group is the very slight 

 development of the maxillary palpi, which are cylindrical, and do not extend beyond 

 the lobe of the maxilla. The labial palpi are longer and slightly dilated. This 

 group seems related to the typical Lamice. 



CALLICHROMA. 



Mandibulse elongatas, rectae, pyramidatae. 



Antennae 11-articulatjB, articulo 1'"° valde incrassato. 



Thorax acute spinosus, disco inaequali. 



Elytra apice rotundata. 



Pedes postice elongati, vix clavati. 



1. C. SPLENDiDUM. — Splendide viridi aureum, thorace granulate, spina, elevatione postica utrinque laevigatis, 

 antice profunde constricto ; elytris viridi cyaneis, granulatis opacis abdomine femoribusque aurantiacis; 

 antennis, tibiis, tarsis genubusque nigerrimis. Long. 1.25. 



Georgia and New Orleans. Sometimes very abundant. It diifuses a strong 

 musky and very pleasant odour. Haldeman has considered this as identical with 

 Ceramhjx elegans, Fabr. and Olivier, which, however, according to description has a 

 black body, entirely ferruginous legs, and a spotted thorax. 



The following genus described by Newman in the Entomological Magazine, I 

 have not been enabled to arrange in any of the preceding groups, from the want of 

 proper characters to determine its precise situation. 



10 



