480 Lord Eothschild 0}i some 



towards apex, pale areas of abloiniiial and disfal margins 

 greyish olivaceous brown. Body and wings above with 

 whole giound-colour olivaceous, not ochraceous. Below 

 fawn-olive, broad basal area below median nervure of fore 

 wing deep blackish brown. 



Length of fore wing 70 mm. ; expanse 1.55 mm, 

 Ilah. Lebong-Tandai, Benkoelen District, isumatra, 1912- 

 1919 {C.J.Brooks) ; 1 c?. 



4. Marumba cristata titan, subsp. n. 

 ? . Very much larger and darker than C)\ cristata ; the 

 bands on the fore wing are much broader and the four basal 

 ones wider apart. Ground-colour deep sooty grey-brown 

 with a |)urplish violet suffusion, with no rufous or sandy tinge 

 whatever. The subtornal spot on fore wings is very large 

 and broadly ringed witli orange. Abdominal area on hind 

 wings giey. 



Length of fore wing, ? cristata cristata, 60 ram. ; expanse 

 132 mm. 



Length of fore wing, ? cristata titan, 74 mm. ; expanse 

 163 mm. 



IJab. Lebong-Tandai, Benkoelen District, Sumatra, 1912- 

 1919 (C. /. BrooJcs) ; 1 ? . 



5. Marumba scotti, sp. n. 



(J . Nearest to sperchiiis gigas, Butl., but smaller, at once 

 distinguished by its grey colour, the sandy and buff tints 

 being entirely absent, and by the presence of an extra obh'quo 

 band from costa passing through the stigma and joining 

 band 4 on vein 1, where they stop short. Band 5 and the 

 following shadow band are much closer to the f^tigma than in 

 sj). gigas. Hind wing deep brown washed with grey, and 

 nervures chestnut; margins raucli less crenulated. 



Length of fore wing 43 mm, ; expanse 98 mm. 



Jlah. Shillong, Assam, 1919 (.Va/or F. B. Scott). 



" The larvai were common in tShillong (Khasia Hills) 

 during July and August 1919, feeding on Spanish Chestnut 

 and a species of Oak. I did not find the egg. 



"The larva is coloured as follows : — Head and body green 

 varying from apple-green to nearly white. A whitish stripe 

 on either side of front of head ending in two short points. 

 Head and body dotted with white tubercles, sometimes with 

 reddish points. A whitish lateral stripe on the first to the 

 third segments and seven oblique stripes, whitish edged above 

 with dark green, on the usual segments. The lower portion 

 of the anterior oblique stripe widens out into an irregular 

 quadrate spot. A white ventral [? lateral, 7i?.] stripe from 



