42 



N0CTCIDJ3. 



dentate and oblique to vein 2, then retracted to below angle of 

 cell and waved to inner margin, some whitish and black string 

 beyond it on costa ; subterminal line indistinct, pale, waved, 

 excurved below vein 7 and at middle, slight black marks beyond it 

 above and below vein 4: a fine waved black terminal line. Hind 

 wing cupreous brown, deepening towards termen, on which there 

 is a series of grey lunules on inner side of the fine waved black 

 terminal line ; cilia grey and brown ; the underside grey irrorated 

 with brown, a discoidal spot, crenulate postmedial line, and diffused 

 subterminal line extending to termen towards apex. 



Hah. Panama, Obispo (Salvin), 1 $ type. Ety. 44 millim. 



Genus THALATHA. 



Type 



Thalatha, Wlk. Journ. Linn. Soc, Zool. vi. p. 187 (1862) sinens. 



Proboscis fully developed ; palpi upturned, the 2nd joint reaching about to 

 middle of irons and moderately fringed with hair in front, the 3rd moderate ; 

 frons with very small corneous prominence at middle with raised edges; eyes 

 large, round ; antenna laminate or uniserrate ; thorax clothed chiefly with 

 scales and without crests ; tibia moderately fringed with hair; abdomen with 

 dorsal crest at base only. Fore wing with the apex typically rounded, the 

 termen evenly curved and very slightly crenulate ; veins 3 and 5 from near 

 angle of cell ; 6 from upper angle ; 9 from 10 anastomosing with 8 to form 

 the areole; 11 from cell. Hiud wing with veins 3, 4 from angle of cell; 

 5 obsolescent from middle of discocellulars ; 6. 7 shortly stalked or from 

 angle ; 8 anastomosing with the cell near base only. 



Sect. I. Antenna of male with uniseriate serrations. 



361 6. Thalatha malagassica, n. sp. 



S • Head and thorax white slightly tinged with rufous; palpi 

 fulvous red with some black above ; antennae, tegulae, and patagia 

 fulvous red ; pectus and legs fulvous red. the mid tibiae with black 

 spot at middle and the tarsus with black spot on basal joint ; 





Fig. 11. — Thalatha malagassica, cJ. 



j 



abdomen ochreous white. Fore wing white irrorated with fulvous, 

 the submedian interspace suffused with fulvous except just before 

 antemedial and beyond postmedial lines, a fulvous band from 

 middle of costa to vein 2 and a patch on costa towards apex ; 

 a diffused black fascia in submedian fold from base to before ante- 

 medial line, from it to postmedial line, and from beyond postmedial 

 line to termen ; antemedial line represented by a black point, on 



