372 MTt. A. G. BUTLEU ON THE 



behind by a semicircular white zone, followed on the posterior seg- 

 ments by a series of diamond-shaped white dots ; wings below black ; 

 primaries with median and discoidal area metallic green, secondaries 

 with basicostal area metallic green : expanse of wings 34 milliras. 

 Santa Marta (Bouchard). Two examples, B.M. 



This beautiful little species is allied to M- vittata, but is very 

 distinct. 



8. M. VITTATA = Euchromia (Macrocneme) vittata. Walker, L. H. i. 

 p. 249. 



Para (Bates). Type, B.M. 



9. M. oBSCURA=Tipulodes obscixra, Wallengren, Wien. Monatsschr. iv. 

 p. 40. 



Guayaquil. 



Genus Callicarus, Grote. 



This genus has been well defined by Grrote, and contains the 

 following species :- — 1. C.plumipes, Drury ; 2. C. punctata, Gruerin; 

 3. C. pennipes, Grote ; 4. C. texaniis, Grote. 



Genus Mastigocera (part.), Boisduval. 



1. Mastigocera cyanea, n. sp. 



Thorax black, with the inner and anterior margins of the tegulae and 

 two parallel longitudinal streaks on the prothorax speckled with bluish 

 green scales ; collar blue-green behind ; head with two white spots in 

 front of the eyes ; antennae black, tipped with white ; anterior margin 

 of the collar with two central white dots j basal segment of abdomen 

 black with four transverse white dots, other segments bronzy green, 

 white lateral dots on the second and third segments ; wings above 

 bright steel-blue ; primaries with a black oblique spot near base of 

 internal area, apex and outer margin diffusely blackish ; secondaries 

 with costa brown, abdominal area, apex, and outer margin black : 

 body below black-brown, coxae white-spotted, legs steel-blue, the tufts 

 of hind legs black, tipped with white ; primaries belo\^ with basal half 

 steel-blue, apical half and inner margin black ; secondaries steel-blue, 

 the outer margin black : expanse of wings 42 milhms. 



Brazil. Type, B.M. 



Although this species has the aspect oi a, Macrocneme, the tufting 

 of the hind legs is that of Mastigocera. 



2. M. FusiLLA, n. sp. = Euchromia (Macrocneme) ^acus. Walker {nee 

 Cramer), hep. Het, i. p. 250. n. 86. 



Para (Bates). Type, B.M. 



