86 AMERICAN ENTOMOLOGY. 



regular series, deeply impressed, but without impressed striae : 

 feet black ; thighs pale-rufous at base , tibiae with a slight rufous 

 tinge : venter with the three posterior segments black. 



Obs. This species was first described by Latreille in his ela- 

 borate and important work entitled " Genera crustaceorum et 

 insectorum." The specific name is that of the donor. The 

 Mozardi has not been hitherto figured. 



The left figure of the plate. 



Languria puncticollis. — Specific character. Rufous; an- 

 tennae, thoracic spot, elytra and feet black. 



L. puncticollis nobis, Jour. Acad. Nat. Sci. 3, p. 462. 



Desc. Body rufous : antennze and palpi black : thorax with a 

 small, round, black spot on the middle, and an abbreviated, in- 

 dented line upon the basal margin each side of the middle ; ely- 

 tra with rather slight striae of impressed points, black, slightly 

 tinged with blue : feet entirely black : venter, terminal segment, 

 black. 



Obs. I obtained this species on the bank of the Mississippi 

 river, above the confluence of the Ohio. It somewhat resembles 

 L. bicolor Fabr., but is more robust. 



The upper figure of the plate. 



Languria trifasciata. — Specific character. Rufous; head 

 black : elytra bifasciate with violaceous. 



L. 3-fasciata nobis, Jour. Acad. Nat. Sc. iii. p. 462. 



Desc. Body rufous, punctured : head black : antennae, with 

 the third, fourth, fifth, and sixth joints, dull rufous : thorax 

 immaculate : elytra with a violaceous base and tip ; each band 

 occupying about one-third of the entire length ; with striae of 

 punctures : feet pale : venter at the tip, and obsoletely at base, 

 black. 



Obs. This species was also found on the bank of the Missis- 

 sippi, above the entrance of the Ohio river. It is about equal in 

 size to the L. Mozardi Latr. 



The right figure of the plate. 



PAPILIO. Plate XL. 



For generic characters, see the article on Papilio Philenor. 

 [ante p. 1.] 



Obs. In pursuance of his attempt to unite natural and civil his- 



