female, the only one I have seen : it was caught 

 by Mr. Nuttall, on the sandy alluvions of the 

 Missouri, above the confluence of the river 

 Platte. 



Upper figure of the plate. 



CICINDELA FORMOSA. 



SPECIFIC CHARACTER. 



Red cupreous, brilliant; elytra with a three 

 branched, broad white margin. 



DESCRIPTION. 



Front hairy : labrum large, three-toothed : 

 elytra with a broad white border, anterior and 

 posterior branches short, intermediate one flexu- 

 ous, nearly reaching the suture; edge of the 

 elytra green : body beneath green or purple-blue, 

 very hairy : thighs blue, tibia green. 



Length seven-tenths, breadth one-fourth of an 

 inch. 



PLATE XVIII. 



