LYGEANIHGECIA. 61 



curved corneous plate below it ; antenna; of male ciliated. Fore tibite short 

 and broad, with two long curved claws and two to four spines on inner side 

 and three to five claws on outer diminishing in size towards base ; mid and 

 hind tibiae strongly spined. Fore wing triangular; veins 3 and 5 from near 

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

 areole ; 11 from cell. Hind wing with veins 3, 4 from angle of cell; 5 obso- 

 lescent from middle of discocellulars ; 6, 7 shortly stalked or from cell. 



A. Fore wing silvery white without transverse lines himatris. 



B. Fore wing not white and with transverse lines. 



a. Hind wing with the basal area or medial baud or 



spots ochreous to orange-yellow. 

 a}. Hind wing with the yellow area not reduced to 

 two spots. 

 «". Head, thorax, and fore wing strongly irrorated 



with white ultima. 



b^. Head, thorax, and fore wing not irrorated with 

 white. 

 a^. Fore wing with the ante- and postmedial lines 

 prominently white. 



ft*. Abdomen fuscous conchina. 



b*. Abdomen clear yellow fanena. 



b^. Foi'e wing with the ante- and postmedial lines 

 indistinct. 

 «''. Hind wing with the yellow extending- to 

 bej'ond discoidal spot. 

 «'. Fore tibite with five claws on outer side, mortua. 

 /)'. Fore tibifE with three claws on outer side, errans. 

 5"*. Hind wing with the yellow not extending 

 to discoidal spot. 

 ci\ Hind wing with a yellow spot beyond 



the cell ar. 



b^. Hind wing without yellow spot beyond 



the cell obscurata. 



b\ Hind wing with the yellow area reduced to two 

 njedial spots. 

 «'-. Fore wing with the medial area suffused with 



purplish pink , mesceana. 



b-. Fore wing with the medial area not suffused 

 with purplish pink. 



a^. Fore tibia; with five claws on outer side bicuspida. 



b^. Fore tibiiB with three claws on outer side, 

 a*. Foi'e wing with the basal and snbterminal 

 areas not strongly irrorated with black, 



the lines grey tuberculum. 



i'. Fore wing witli the basal and snbterminal 

 areas strongly irrorated with black, the 

 lines whitish , brevis. 



b. Hind wing wholly black. 



a}. Fore wing with the ground-colour black-brown... septentrionalis. 

 b^. Fore wing with the ground-colour pale yellowish. 



ar. Fore wing with the basal area, medial shade, 



and postmedial band prominently rufous siren. 



b'*. Fore wing with the rufous shades almost obsolete, hiclara. 



c. Hind wing whitish with dark terminal band. 



a}. Hind wing with the whitish area irrorated with 



fuscous. 



a'. Fore wing with the ante- and postmedial lines 



obsolete at middle and conjoined so as to 



enclose triangular patches on costa and inner 



margin constricfa. 



