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Say^s Descriptions ofheiv 



line : antenncE at the base of each joint, excepting the 

 first, second and ultimate ones, with two, opposite pro- 

 cesses at least as long as the joint and nearly as thick : 

 thorax fulvous, with a dilated black vltta not reaching 

 the anterior edge ; an impressed line ; elytra confluently 

 punctured, appearing granulated. 



Length nearly seven twentieths of an inch. 



Remarkable by tbe form of the antennae, ' 



CanthariSj Lin. 



r 



1. C. tricostatus. Elytra widened and rounded later- 

 ally, with three elevated lines. 



Inhabits Pennsylvania ; Massachusetts, Harris. 



Body black, with small dull yellowish hairs: head 

 piceous at base ; front yellow, oral margin blackish ; be- 

 fore the eyes and base of the mandibles yellow : anten- 

 nae, second joint nearly equal to the third, which is obvi- 

 ously shorter than the following ones : maxiUary palp 

 much longer than the labials, black : thorax transverse, 

 yellow ; disk fuscous ; each side widely concave ; ante- 

 riorly widely truncate ; posteriorly widely emarglnate: 

 elytra laterally roundedly dilated ; three prominent" lines ; 

 humerus prominent : feet dark piceous j knees paler. 



Length nearly half an inch. ' 



Var. Thoracic margb rufous ; front obscure. 



The width of the elytra and the form of the elevated 

 lines, are like some species of Lampyris ; but although 

 the palpi are very unequal, yet those of the maxills are 

 not acute at tip, and the antenna are distant. 



2. C. imalida. Blackish ; sides of the front of the 

 thorax, and margins of the elytra, yellowish. 



Inhab. Indiana. 



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