79 



At Tjampea I once found, attached to a Musa leaf, a pupa, resembling that 

 of E. Undularis Drury, from which a butterfly belonging to the present 

 species emerged. I am quite unable to agree with the observations concerning 

 this species in the well-known work of Seitz. The upper side of the d* has, 

 it is true, a great resemblance to that in Euploea Midamus L., and the 9 less 

 so; nevertheless, the form and flight differ so much in the two species that 

 they can scarcely be confused. Although in some o' the same metallic gloss 

 occurs on the upper side of the fore-wings as in the Euploea referred to, 

 nothing of this is to be seen in several d in my possession. I only possess 

 a single cf from E. J. — a very good specimen by the way — and I can detect 

 no difference between this and my W. J. specimens. The upper side of the 

 fore-wings is equally dark as in the most glossy <d from W. J. and the blue 

 metallic gloss, although not pronounced, is, nevertheless, distinctly in evidence. 

 Consequently it does not quite agree with the figure given by Fkuhstorfer 

 of his E. J. form Alumna. 



6. Lais Cram. (PI. XVIII, fig. bia, 6i/;, 6ir, tie/, die, bia, til). 



Cramer, II, /. 21, //. iio A. B. (1779) Papilio Lais. 



Distant, Rhop. Mai, p. 62, iab. c,, fig. 2 (1S82 — 1886). Elymnias Lais. 

 Staudinger, E.xot. Sc/un., p. 237, //. 86 cT (1884 — 1888). „ „ 



Hagen, Ja/ird. Nass. Vcr. Naiurk., XLIX, /. 184,//. 4, 



Jig. 6 (1896) „ Baweana. 



Fruhstorfer, Iris, XX, /. 200 (1907) „ Nesaea. 



„ (Seitz, Grossschm. d. Erdc), p. 379, />/. 



87r, rt' (1911) ,.,... „ „ 



W. J. Batavia (3 — 14); Buitenzorg (265); Tjibougel (+ 1000); mountains 

 in the prov. Prayangan; vicinity of the Pelabouan Ratou or Wijnkoops Bay 

 on the south coast (+ 150). 



C. J. Prov. Tegal; prov. Rembang; Magelang (500). 



E. J. Malang (443). 



This butterfly is common in Java wherever the coco-nut palm grows, 

 especially in plantations of that tree ; it flies, as has already been noted above, 

 in the twilight. My cT specimen from E. J. is not shot with bluish green on 

 the upper side like the cT from W. J., especially from Batavia, but does not 

 otherwise differ. Fruhstorfer separates the E. J. specimens from those of 

 W. J. as the form Herml\. The form from the island of Bavvean differs 



'9 



