THALATHA. 43 



costa, black bar from cell to vein 1, and fulvous line angled out- 

 wards above inner margin ; orbicular and reniform large, vi'hite, 

 the former defined by black at sides, rather elongate elliptical, the 

 latter defined by diffused black on inner side and by a few black 

 scales on outer, with slight fulvous lunule in centre ; postmedial 

 line fulvous with a few black scales on it and strong black lunule 

 in submedian interspace, bent outwards below costa, then dentate, 

 excurved to vein 4, then strongly incurved, some white points 

 beyond it on the costal fulvous patch ; subterminal line slight, 

 fulvous, waved, angled inwards in discal fold and with black spot 

 beyond it to near termen : a terminal series of slight fulvous lunules; 

 cilia chequered fulvous yellow and white. Hind wing white faintly 

 tinged with yellow, especially on inner area ; a fine yellow terminal 

 line and line through the cilia ; the underside with faint traces of 

 curved postmedial line. 



Bah. Madagascar, Betsileo (Coit'an), 1 (S type. Exp. 44 millim. 



Sect. II. Anteniiie of male laminate. 



A. Fore wing of male with the apex somewhat produced and 

 acute. 



a. Fore wing with the subbasal mark in submedian interspace 



wedge-shaped dinava. 



b. Fore wing with the subbasal mark in submedian interspace 



a minute lunule. 

 a\ Fore wing slightly suffused with green, the black 



fascia on terminal area strong eceicei. 



b^. Fore wing strongly suffused with green, the black 



fascia on terminal area slight 'psorallina. 



3617. Thalatha dinava. 



Acronycta dinawa, Beth. -Baker, Nov. Zool. xiii. p. 198 (1906). 



c?. Head and thorax white mixed with reddish brown; palpi 

 black except at tips ; Irons with lateral black spots ; tegulae with 

 black band at base; pectus and legs mostly red-brown, the tibiae 

 banded with black, the tarsi black ; abdomen white irrorated with 



Fig. 12. — Thalatha dinava, (^ 



red-brown and suffused with black towards extremifj-, the 1st 

 segment with pair of dorsal black points, the 2nd and 3rd with 

 slight black bars, the ventral surface thickly irrorated with rufous. 

 Fore wing white suffused with grey-green and irrorated with 

 fuscous; subbasal line very indistinct, double, waved, from costa to 

 vein 1, a blackish spot beyond it on costa and a small wedge-shaped 



