pectinated, serrated at tlie tips. Tliorax and abdomen Idaokish 

 cinereous, the former bordered with oehraceous in front. Pectus 

 with two oehraceous stri})es. Abdomen a Uttle shorter than the 

 interior border of the hind wings; under side witli two macular 

 white strij)es. Femora sti-iped with white. Wings elongate, 

 hardly broad. Fore wings with a very broad white streak, which 

 occupies nearly half the length from the Ijase, and from two-thirds 

 to four-fifths of the breadth from the interior border; a broad 

 exterior oblique white streak in the disc. Hind wings white, bor- 

 dered with black along the costa, and much more broadly so 

 aboiit the tips and along the exterior border; the white hue exca- 

 vated, and receiving a black lanceolate streak near the interior 

 angle ; fringe white at the tip ; under side with an elongated white 

 apical spot. Length of the body 7^- lines; of the wings 24 lines. 

 See PLite V, Fig. 2. 



7. Balacra OCHRACEA. Mas. Ochracea; capite pedibusque 

 rufis ; autennis nigris subserratis ; abdomine alas posticae long- 

 issime superante ; pedibus breviusculis, tibiis ecalcaratis, tarsis 

 nigricantibus ; alis anticis basi rufo bistrigatis; alis posticis 

 brevissimis apice oblique truncatis. 



Male. Oehraceous. Head and legs bright red. Antenme 

 black, stout, very minutely serrated. Abdomen extending for 

 much more than half its length beyond the hind wings. Legs 

 stout, rather short; tibiae without spurs; tarsi l)lackish. Fore 

 wings long, slightly rounded at the tips, with two bright red 

 streaks which proceed from the base, and diverge from each other; 

 exterior border rounded, extremely oblique. Hind wings ol^licpiely 

 truncated, not more than one-third of the length of the fore wings. 

 Length of the body 9 lines; of the fore wings 24 lines. 



The genus Balacra has been previously included in the Arctiida', 

 but it rather belongs to the Zygaenidai. These two families are 

 nearly alHed, and their close affinity has been remarked by Dr 

 Herrich-Schaeifer. 



8. Leucopsumis CRYi'TOCHROMA. 3L(s. Nigra; capite subtus 

 pectore ventreque luteis, vertice argenteoalbo; palpis oblique 

 ascendentibus verticem non superantibus, articulo .3° lineari 2^ 

 dimidio Ijreviore; autennis pectinatis apice setulosis; pedibus 

 subtus argenteis; alis anticis striga postmedia lata obli(jua alba 



