iS95.] L. de Niceville & Dr. L. Martin — Butterflies of Sumatra. 525 



Found only at high elevations, not below 3,000 feet, on the Central 

 Plateau and in the Grayoe mountains, throughout the year, but most 

 abundant in December and January, in which months the Battak col- 

 lectors brought in hundreds of males. This butterfly, like species of 

 Charaxes, very easily rots, as all specimens brought from the moun- 

 tains if not properly dried at once in the sun or by the fire fall to 

 pieces. Rothschild records this species from Sumatra as (&), P. agetes 

 insularis, Staudinger. 



600. Papilio (Pathysa) hermocrates, Felder. 



Hagen as anticrates, var. Flies only in the forests of the plains, 

 where it is very rare. A few specimens only obtained at Paya Bakong 

 near the sea in April, and one from near Selesseh in June. Dr. Hagen 

 had only one specimen from the Grayoe-lands. Rothschild records it 

 from Sumatra as (d), P. aristeus hermocrates, Felder. 



601. Papilio (Zeticles) empedocles, Fabricius. 



Hagen. This species appears to be migrating westwards, Dr. Wal- 

 lace in 1865 recorded it from Borneo, it has within the last five years 

 appeared in Sumatra, and in Malacca, Penang and Perak in the Malay 

 Peninsula. In Sumatra only three specimens have been taken in June 

 and December at a high elevation in the mountains. Rothschild records 

 it from Java, Banka Island and Palawan. 



602. Papilio (Zetides) eurypylus, Linnaeus. 



Wallace as jason. Grose Smith as eurypilus [sic]. Snellen &b jason. 

 Hagen as eurypylus and telephus. Dr. Wallace in Trans. Linn. Soc. 

 Lond., Zoology, first series, vol. xxv, pi. viii, fig. 4 (1865), has figured 

 the outline of the costa of the fore wing of this species from Sumatra. 

 Heer M. C. Piepers has bred it in Java, and beautifully figured three 

 stages of the larva under the name of P. jason, Esper, in Tijd. voor 

 Ent., vol. xxxi, p. 317, pi. viii, figs. ], 2, 3 (1888). Rothschild 

 records this species from Sumatra as (h), P. eurypylus axion, Felder. 



603. Papilio {Zetides) mecisteus, Distant. 



Hagen. Rothschild does not allow P. mecisteus specific rank, he 

 records it as (Ji), P. eurypylus axion, Felder, (6 2 ), ab. mecisteus, Distant. 



601. Papilio (Zetides) evemon, Boisduval. 



Wallace as P. jason, Esper, variety or dimorphic form a. Distant. 

 Hagen. Dr. Wallace writes of this species: — "This may be a distinct 

 species, but is more probably a case of dimorphism. The two forms 



