CRYPTOCEPHALINARUM BOREALI-AMERICAE DIAGNOSES. 249 



10. C. AULicus Fa/c?. jDej. Cat. ,447'. Rufus, pronoto valde convexo, punctulato; 

 margine flavo, tenuissimo nigro ; maculis 2 basalibus confuse flavis: elytra 

 flava, punctato-striata, striis indistinctis ; vittarum 2 nigrarum vestio-iis. Lono-. 

 3 lin. 



Head and base of antennae rufo-flavous, six terminal articulations of the latter 

 fuscous ; front distinctly punctulate, medial line impressed : extreme margins of the 

 pronotum and elytra black ; pronotum polished, rufous, very convex, descending 

 suddenly towards the head, anterior and lateral margins, and two oblique basal spots, 

 yellow : scutel black : elytra yellow, punctate in series, punctures in impressed lines 

 posteriorly, fourth exterior series of punctures irregular ; portions of a humeral and 

 sub-sutural black band are represented by one or two spots : apex of the abdo- 

 men foveolate : presternum deeply emarginate, sides forming spines as in Canthoste- 

 thus. 



Varies in having the margin and spots of the thorax so much expanded that the 

 rufous color is confined to a transverse spot in the middle of the disc, and a small 

 lonofitudinal one on each side of the base. Southern. 



o 



11. C sniFLEX Hald. Rufo-brunneus ; pronoto subtiliter dense punctate, apice 

 tenuiter, lateribus maculisque 2 parvis basalibus flavis ; elytris flavis, profunde 

 punctato-striatis ; sutura, epipleuris, punctoque humerali nigerrimus; labro antennis 

 palpis pedibusque laete rufis. Long. 2i lin. 



Head punctate, flavous varied with rufous : pronotum rufous, two oblique basal 

 lines, a narrow anterior and wide lateral mav gins ^avous ; extreme margins rufous or 

 blackish, that of the base black : scutel polished black, impunctate, sometimes with 

 a flavous spot : elytra punctate-striate, flavous, extreme margins and a humeral spot 

 black : beneath and feet rufous ; pectus varied with blackish ; venter (except the sides 

 and final segment) blackish, apex foveolate. Southern. 



12. C. PUMiLUs Hald. 4-l^ej. Cat. ,449'. Minutus, supra flavescens, pronoto sparse 

 minus subtiliter punctato, macula transversa discoidali saturate rufa : scute] lo nigro : 

 elytris profunde punctato-striatis: subtus saturate rufus, pedibus pallidioribus. Long. 

 1 lin. 



Front sparsely punctulate, flavous varied with rufous, labrum black ; antennae 

 fuscous, base flavous : extreme margin of pronotum and elytra (including the suture) 

 blackish, particularly the base of the former : pectus blackish. Southern. 



13. C. LiNEOLATUS Hald. 4.Dej. Cat. ,448"? Saturate rufus, pronoto punctato, 

 apice tenuiter, lateribus, maculis 2 basalibus obliquis flavis; elytris valde pro- 



