66 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.65. 



below similar, paler; hind wing with a black point also at upper 

 angle of cell. 



Expanse. — 38 mm. 



Flabitat. — Loja, Ecuador. 



Type.— C2ii. No. 25602, U.S.N.M. 

 Paratype in collection Dognin. 



MAR:;AR0NIA DELICATALIS, new species. 



Male. — Head black. Tegulae fuscous with large white spots. 

 Thorax fuscous brown, patagia white. Abdomen white with dorsal 

 fuscous brown line. Legs white. Fore wing iridescent white, thinly 

 scaled; costa and outer margin narrowly fuscous brown; a small 

 triangular spot its base on costa above discocellular ; a brown line 

 from costa near apex almost suffusing with terminal line from vein 

 6 to tornus where it joins a fuscous brown line which extends from 

 base along submedian vein, the inner margin remaining white. Hind 

 wing iridescent semihyaline white; the outer margin narrowly 

 fuscous brown; cilia on both wings fuscous tipped with white and 

 with a buff line at base. Wings below similar. 



Expanse. — 23 mm. 



Habitat. — Tucuman, Argentina. 



Type.— C^t. No. 25603, U.S.N.M. 



Received from P. Dognin. 



Belongs to the group of M. heliconialis Guenee. 



MARGARONIA TOLIMALIS, new species. 



Male. — Palpi fuscous with some white hairs below. Frons reddish 

 brown with lateral white lines ; vertex reddish brown : thorax fuscous, 

 the patagia with dorsal edge broadly white. Abdomen fuscous with 

 some fine segmental white lines, dorsally. Thorax below, throat, and 

 fore femora silvery white; legs mostly fuscous. Fore wing fuscous 

 brown; an oblique antemedial semihyaline iridescent white fascia 

 from subcostal to submedian fold beyond middle of wing; a similar 

 postmedial fascia from subcostal to vein 2, less oblique with its inner 

 edge nearly straight, its outer edge rounded; a subterminal whitish 

 line from vein 8 to inner margin near tornus. Hind wing semi- 

 hyaline, iridescent white, the margins broadly fuscous brown. 

 Wings below similar, the subterminal line of fore wing very in- 

 distinct. 



Expanse. — 29 mm. 



Habitat. — Canon del Tolima, Colombia, at 1,700 meters. 



7V/?e.— Cat. No. 25604, U.S.N.M. 



A paratype in collection Dognin has the markings somewhat 

 broader. 



Near M. riolalis Schaus. 



