f 
PIERINBE. 
17 
elevations; it even occurs near the sea. 
Soc. Bengal, 1905, 501). 
Tts flight is very rapid if pursued.” 
(J. As. 
TACHYBIS GALBA. 
Plate 558, fig. 2, 2a $ ( Wet form), 2e, d $ {Pry form). 
Tcichyris Galba , Wallace, Tran?. Eot. Soc. 1867, p. 878, . 
Appias Galba , Butler, Ann. Nat. Hist. 1885, p. 339. 
Catophaga Galba , Watson, Journ. Bombay N. PI. Soc. 1894, p. 499. 
Tachtpris Nero , Wood-Mason and de Nieeville, Journ. As. Soc. Bengal, 1886, p. 372. Elwes, Tr. Ent. 
Soc. 1888, p. 418. de Nieeville, Sikkim Gazetteer, 1894, p. 1G9. Swinhoe, Tr. Ent. Soc. 1893, 
p. 310. Fruhstorfer, Iris, 1902, p. 293 ; icl. Soc. Ent. 1903, p. 41. 
Appias Nebo , Grose-Smitb, Bliop. Exot., App. pi 1, fig. 1, 2 f (1894 )—(Dry form). Adamson, 
List Burm. Butt. p. 43 (1897). 
Wet-season Brood (Plate 55S, fig. 2, 2a <$), 
Male. Forewing more acute at the apex than in typical Nero . Upperside. 
Ground-colour of both wings dark crimson (varying in some specimens to a much 
paler ochreous-red tint); all the veins distinctly black lined. Forewing with base of 
costa and basal area slightly speckled witlnyellowish and black scales; a blackish-scaled 
outer marginal sinuous border decreasing posteriorly from the apex to submedian, 
preceded by a discal transverse excurved series of black-scaled angled vein-spots, 
which extend from the third subcostal branch to lower median veinlet, these spots 
being very slightly joined along the vein borders to the opposite angle of the outer 
band. Hindwing with the abdominal area yellowisli-ochreous, the veins basally 
slightly and exteriorly distinctly black lined, and merging into an outer marginal 
black-scaled somewhat macular band, this band in the paler red specimens being quite 
macular. Underside. Forewing much paler, the costal border and apex yellowisli- 
ochreous, the outer band and discal markings of the upperside being slightly 
apparent. Hind wing yellowisli-ochreous, very sparsely and indistinctly irrorated 
with minute dusky scales, except on the outer discal area, where their absence forms 
a slightly paler submarginal fascia. Female not examined. 
Expanse, S 2| to 2^ inches. 
Intermediate form . Male. Upperside. Both wings uniformly pale crimson. 
Forewing with all the veins black-lined throughout, the marginal and discal markings 
being entirely absent. Hind wing with the outer veins externally black-lined; no 
marginal markings. Underside. Forewing reddisli-ochreous, the apex palest. 
Hindwing uniformly deep ochreous-yellow. Khasia Hills. 
Expanse, 2f inches. 
Male. Upperside, 
VOL. VII. 
Dry -season Brood (Plate 558, fig. 2c, d C J). 
Forewing either paler crimson than in wet form or ochreous- 
D 
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