172 New Forms of Lepidoptera from the Island of Hainan 



smaller than in most specimens of polyxena forms. Underside russet 

 ground-colour and marked as in most other forms. Owing to the 

 great variation of the underside pattern in this species we refrain 

 from giving a detailed description. 

 Interior, September, 1920, one $ . 



13. Charaxes marmax bowringi subsp. nov. (pi. XXII, figs. 14, 15). 



S . Fore wing with the spots of the marginal band below vein 5 

 not connected, the pair below vein 2 together smaller than the spot in 

 2. Discal spots and lines only faintly indicated, and the spot at 

 base of cellules 5 and 6 minute. Hind wing with the submarginal 

 spots free, the four lower ones smaller than in most specimens of the 

 typical form. 



Underside as in the typical form. 



Interior, June, one $ , July, 1920, one 2 . 



The 2 is too worn to permit of any description. 



14. Charaxes aristogiton indefinita subsp. nov. (pis. XXII, fig. 16, 

 XXIII, fig. 17). 



This specimen presents most of the characters of aristogiton, 

 especially in the characteristic coloration of the underside. 



$ . Fore wing with black marginal border more strongly incurved 

 between veins 5 and 3 ; postdiscal waved line faintly marked as in 

 marmax ; subcostal black patch smaller than in most specimens of 

 marmax ; discal spots in 5 and 6 reduced to thin short bars. Hind 

 wing with the two apical spots free, the other four spots smaller than 

 in typical form. 



Underside coloration as in typical form. The hind wing with the 

 outer edge of the dark postdiscal band not straight but irregular as in 

 specimens from Burma and Perak. 



Interior, July, 1920, one 3 . Abdomen missing. 



AMATHUSIIDAE. 



15. Stichophthalma nourmahal chu?ii subsp. nov. (pi. XXIII, fig. 18). 



Apparently more nearly allied to the typical form than to nurinissa 

 Nicev. The type of nourmahal Westw. is a 2 and is in the Joicey 

 collection, having been received with the Grose-Smith collection. 



$ . Upperside of fore wing with broader yellow apical area than in 

 nurinissa, The edge of the black marginal border is sharply dentate, 



