Prerine Butterflies of the Genus Delias. 165 
86. Delias bromo. 
3. Delias bromo, Friihstorfer, Ent. Nachr. xix. p. 335 (1893). 
Q. Delias dymas, De Nicéville, Journ. A. S. Beng. lxiii. pl. v. fig. 7 
p. 44 (1894). 
Java. ¢,B.M. 
87. Delias tobahana. 
2. Delias tobahana, Rogenhofer, Verh. zool.-bot. Ges. Wien, xlii. 
p- 071 (1892). 
3. Delias derceto, De Nicéville, Journ. Bomb. Soc. viii. p. 51, pl. 1. 
fig. 4 (1893). 
Sumatra. 
Not in the Museum series. 
88. Delias parthenia. 
Delias parthenia, Staudinger, Iris, v. p. 449 (1892). 
Male, Kina Balu. B. M. 
89. Deltas ninus. 
Thyca ninus, Wallace, Trans. Ent. Soc. Lond. ser. 3, vol. iv. p. 347 
(1867). 
Thyca parthenope, Wallace, /. c. pl. vi. figs. 5, 5 a (1867), 
Penang. Two males. B. M. 
The type (from Malacca) is in the Hewitson collection. 
90. Delias pyramus. 
Thyca pyramus, Wallace, Trans. Ent. Soc. ser. 3, vol. iv. p. 347 (1867). 
Pieris thisbe, Gray, Lep. Ins. Nep. pl. vii. fig. 1 (1846). 
Var. Delias scandha, Doherty, Journ. Asiat. Soc. Beng. vol. lv. 2, 
p. 262 (1886). 
Darjiling, Nepal, Bhutan, Hast Pegu. Fourteen examples. 
i, MM. 
Nine of the specimens are from the Godman and Salvin 
collection. The Hewitson collection contains five others. 
91. Delias thysbe. 
Q. Papilio thysbe, Cramer, Pap. Exot. ili. pl. eexxxili, C (1782). 
Pieris acalis, Godart, Enc. Méth. ix. p. 148 (1819). 
China. 
This species appears chiefly to differ from the female of 
D. pyramus in the grey colouring and heavy black border of 
the secondaries. [ have never seen the species, and 
Mr. Leech’s work on the butterflies of China does not include 
any of the species of Delias excepting D. belladonna and its 
varieties. 
Ann. & Mag. N. Hist. Ser. 6. Vol. xx. 12 
