538 PROCEEDINGS OF THE ACADEMY OP 



vein 4-branched, with the posterior remote from the other branches, which 

 are aggregated. 



Head moderate, free, neck distinct, slightly hairy above : with ocelli. Face 

 smooth, rather narrow. Eyes moderately large, prominent. Antecme about 

 one-half as long as the body, deeply pectinated in the <j\ slightly pectinated 

 in the 9- Palpi porrect, exceeding the front somewhat, squamose ; basal 

 joint slightly hairy ; the basal and middle joint nearly equal ; the terminal 

 shorter, acuminated. Tongue as long or nearly as long as the thorax 

 beneath. 



Body cylindrical, slender, more or less metallic. Patagia scale-like. Hind 

 wings equal to the body in length. Abdomen with a lateral tubercle on the 

 basal segment. Legs rather slender ; fore tibiae with a short tibial spur ; hind 

 tibiae with four moderately long spurs. 



Table of Species. 



Head above orange yellow. 



Fore wings with costa luteous. 



Cilia white ; wings broad, Latreillana. 



Cilia blackish ; wings narrow, fulvicollis. 



Head red or crimson. 



Fore wings with four yellowish white stripes, ve n os a. 



Fore wings with a white costal and discal stripe, ruficeps. 



Fore wings without stripes. 



Wings blackish ; fringes white, rubriceps. 



Wings broad; palpi porrect ; post-apical nervule interior to apical nervulet. 



C. Latreillana, Kirby. Dark brown or blackish brown. Palpi pale 

 orange, tips blackish. Face dark blue. Head above, prothorax beneath and 

 the tegulse in front pale orange. Thorax and abdomen dark metallic blue. 

 Wings with whitish cilia, except in the middle. The fore wings in the > 

 have the extreme costa luteous. 



Wings moderately broad; antenna moderately pectinated. 



* C. rubriceps, Walker. Dark brown, black. Head and palpi towards 

 the base clothed with bright red hairs. Wings fringed with white. Fore 

 wings with blackish veins. Hind wings bluish black. Abdomen of the rj? 

 sericeous green above. 



New Grenada. 



Wings moderately broad; post apical nervule interior to apical nermdet. 



C. venosa, Walker. Dark brown, black beneath. Head above, protho- 

 rax beneath, clothed with bright red hairs in the J\ and with yellow hairs in 

 the 9 . Face dark blue. Palpi blackish, base bright red. Patagia and tegula? 

 in front striped with yellow, the latter likewise on the superior edge. Wings 

 fringed with white. Fore wings with four yellowish white stripes ; the first 

 costal, second on the subcosto-inferior nervule, third on the median vein, ex- 

 tended to the two middle branches ; fourth on the submedian vein. Hind 

 wings and abdomen of the <$ dark bluish black, of the f blackish. 



Mexico, Texas. Capt. Pope's collection. Smithsonian Institution. 



*C. ruficeps, Walker. Blue. Head above and thorax in front beneath 

 clothed with crimson hairs. Palpi black, with crimson hairs towards the 

 base. Thorax with a lappet on each side and a white spot on each shoulder. 

 Legs white beneath. Wings blackish brown, blue at the base. Fore wings 

 with a white costa and a white interrupted stripe extending from the base to 

 near two-thirds of the length in the disk. Hind wings with a white discal 

 stripe tapering from the base to half the length. 



Mexico. 



[Nov. 



