tains, whilst descending the Arkansaw river 

 with Major Long's exploring party. It is at 

 once distinguishable from its companions on the 

 annexed plate, by the confused and dense punctu- 

 ation of its elytra. 



The middle figure. 



CRYPTOCEPHALUS VIDUATUS. 



SPECIFIC CHARACTER. 



Black; thorax with three abbreviated yellow 

 lines ; elytra yellow, with two black vittae. 



SYNONYM. 



Cryptocephalus VIDUATUS. Fcihr. Syst. Eleut. 

 pt. 2, p. 49, No. 49. 



DESCRIPTION. 



Head black, with a yellowish spot at each su- 

 perior canthus of the eyes, and another at the 

 mouth : antennae, at base yellowish : front with 



plate XXVIII. 



