180 Mr. G. Hulstaert on LepiJoptera from 



Papilio cegevs ormenuSj Guer. Yoy. Goq. t. xiv. fig. 3. 



1 (^ forma ormenus, 1 $ forma leporinaj Jord., 1 $ forma 

 amanga, Boisd., Okaba, 1914 (Rev. Fr\ P. Vertenten), 



Papilto periclesj Wall., Trans. Linn. Soc. Lend. xkv. p. 45. 

 IS, Oliliet, Tenimber, 1913 {Rev. Fr. J. Klerks), 



Pieridae. 



Delias argentJiona, F., ? forma halli, nov. 



Differs from forma semim'gra, Frulist.^ by the base of both 

 wings being closely irrorated with black scales and in the 

 absence on hind wing of discocellular and submarginal 

 yellow markings, in their place the red patches of underside 

 being transparent. 



One specimen. 



Named after the lepidopterologist of the Royal Museum of 

 Natural History at Brussels, Mr. Fiancis J. Ball, who has 

 rendered me great services in my studies. 



Appias ada virginea^ subsp. n. 



(^ . Differs from A. a, ihaua^ Fruhst., in the external 

 border on fore wing being more slightly dentate on veins, on 

 hind wing broader,jmore regularly rounded proximally, hardly 

 dentate. 



Underside, — Black border broad, distant from cell \ mm. 

 only ; basal part yellow, orange near border. 



1 $, Okaba, 1912 [Rev, Fr, P. Vertenten), 



Terias apatosa, sp. n. (Text-fig. 1.) 



J . A mass of scales (androconia) under base of cell on 

 underside of fore wing, another mass on upper side of hind 

 wing under vein 8. 



Above, — Fore w^ing pale yellow ; base irrorated with black 

 scales ; a minute biown dot or stripe at upper angle of cell. 

 Costal border as in T, lihytheaj F., ? , at apex extending to 

 point of separation of veins 7-8, then becoming narrower till 

 vein 4, slightly dentate ; under 4 almost parallel to termen, 

 dentate, deeply excavated at torrms. Hind wing : border 

 slightly dentate, scarcely 1 mm. broad on vein 6, then 

 nnrrowing, disappearing on 3. 



