148 



GEOMETRIDJE. 



3089. Sirinopteryx undulifera, Wan-. P. Z. S. 1893, p. 385. 



Differs from rufivinctata in being ochreous ; the lines more 

 oblique ; the postmedial line of fore wing waved and arising from 

 apex ; a speck at end of cell of each wing. 



Hob. Sikhim. Exp. 50 raillim. 



Genus THINOPTERYX. 

 Thinopteryx, Butl. Journ. Linn. Soc. xvii, p. 202 (1883). 



Type, T. crocoptera, Koll. 



Range. Japan ; China ; throughout India and Ceylon ; Anda- 

 mans ; Java. 



Differs from Urapteryx in the antennae of the male being fasci- 

 culated ; the palpi slightly longer. Fore wing with the apex more 

 produced ; vein 3 from before angle of cell ; 7, 8, 9 from before 

 upper angle ; 10 present and given off from 11 after its anasto- 

 mosis with 12. Hind wing with the outer margin angled below 

 apex, and tailed at vein 4 ; vein 3 from before angle of cell. 



3090. Thinopteryx crocoptera, Koll. HugeVs Kaschmir, iv, p. 483 ; 



C. 8f S. no. 3114. 

 Thinopteryx nebulosa, Butl. Journ. Linn. Soc. xvii, p. 203, id. III. 



Het. vi, pi. 113, fig. 8 ; C. $ S. no. 3115. 

 Thinopteryx striolata, Butl. Journ. Linn. Soc. xvii, p. 202. 

 Urapteryx prsetoraria, Feld. Reis. Nov. pi. 122, fig. 13 j C. Sf S. 



no. 3116. 

 Thinopteryx citrina, Warr. Nov. Zool. p. 401. 



Orange-yellow ; head and collar white, irrorated with fuscous ; 

 wings with numerous orange strigae more or less combined into 

 patches. Fore wing with the costa white, irrorated with fuscous ; 



Fig. 79. Thinopteryx crocoptera, <$ . 



ante- and postraedial oblique fuscous lines, sometimes slightly 

 curved ; a fuscous line on discocellulars ; a submarginal more or 

 less luuulate line, often reduced to a series of specks towards costa. 



