's RIJKS MUSEUM VAN NATUURLIJKE HISTORIE — LEIDEN. 89 



of Pad.) — 10/1913, 5/1914, 3/1915. Two specimens from Rimbo Pen- 

 gadang (Bengkulen), captured 6/1916, differ distinctly from the other 

 ones from Sumatra by their dark colours and by the narrowness of the 

 transversal band on the hindwings. Yet all the characteristics indicate 

 the species hylas. 



123. N. nata declinata subspec nova. 



$ and 9 — Pulu Babi, Pulu Lasia — 5/1915, 4/1916. Both the 

 typical specimens are larger than those from Nias (natana Fruhst.) ; the 

 wingexpansion being 50 and 54 m.m. Striking is the dark colour on the 

 upper- and underside of the wings. One of the supercellular spots of the 

 fore wing is largely developed; the four median discal spots are more 

 reduced than in natana, while the submarginal series consits of larger 

 white spots. The figure on plate VIII will show the differences more 

 distinctly. 



124. N. nandina apharea Fruhst. 



C? — Aur (Kumanis, Highl. of Pad.) — 3/1914. 



125. N. soma sumatrensis subspec. nova. 



cT — Puntian (Kumanis, Highl. of Pad.) — 3/1915. I have found 

 representatives of this species in the collections of the Leyden Museum 

 from Formosa, Malacca and Sumatra. Soma has been captured in the 

 Malayan region only on the islet Engano (meridiei Doh.). The genus 

 Neptis, being a stumbling-block to many lepidopterologists, I have con- 

 sulted Mr. H. Fruhstorfer, who has affirmed my determination. 



The best characteristic to recognise sumatrensis, which also has been 

 figured on plate VIII, is to find in the white striga and in the triangular 

 white spot in the cell of the forewings. In lutatia Fruhst. from Formosa 

 and gononata Butl. from Malacca the striga is distinctly separated from 

 the triangular endspot, what does not happen in sumatrensis^ which 

 resembles more acala Fruhst. from Tonkin. The submarginal spots on 

 both the wings, however, are more developed and whiter than in acala. 

 The prime-colour remains as dark as in acala. 



Soma now is known from the Highlands of Padang and from the 

 Lampongs. 



126. N. vikasi Horsf. 



— omeroda Moore — c? — Tanangtalu (Ophir distr.) — 5/1915. 



— pallida subspec. nova — çf — Pulu Lasia — 4/1916. An easily 

 recognizable form by its white spots and strigae, which are shadowed in 

 the form from Sumatra. The underside is not as dark as in the form 

 kheili Moore from Mas; the prime-colour of the upperside of the wings 

 is brown and not black, like in the forms from Mas. The figure on 

 plate VIII is showing the characteristic white pattern of the wings. 



