508 MR. F. MOORE ON DIURNAL LEPIDOPTERA [June 13, 
purple hair-streaks, with silvery-grey underside, flit about the thick 
foliage like a cloud of tortrices shaken out of an oak: they settle 
again at once. They fly about thus till very late. 
114. Drpsas syLa. 
Thecla syla, Kollar, Higel’s Kaschmir, p. 414, t. 4. f. 7, 8. 
Hab. N.W. Himalayas. 
Observed in the same locality as Dodona egeon, flitting up and 
down the stream, pitching on moist rocks or pieces of wood in mid- 
stream. 
115. ILerpa ova, Hewitson, un. sp. (Pl. XXXI. fig. 12.) 
Tlerda oda, Hewitson, Ilust. of Diurnal Lep., Lyczenide, pt. 2, 
pl. 24. f. 9, 10. 
Male. Upperside black ; basal portion of both wings clear blue ; 
hind wing with or without indistinct reddish streak at anal angle. 
Underside greenish saffron-yellow ; fore wing with three decreasing 
black, white-bordered spots, ascending from posterior angle; hind 
wing with a broad ochrey-red marginal band, bordered on both sides 
with white black-bordered lunules: cilia black, slightly margined 
with white. 
Female. Upperside blackish brown ; fore wing with a short, sub- 
apical, medially oblique, broad red band, a distinct black spot closing 
the discoidal cell; hind wing with a broad, marginal, sinuous red 
band ; cilia brown. Underside dull greenish yellow: fore wing with 
the medial portion reddish yellow ; a short narrow blackish line sub- 
apically from costa, and asecond elongated spot closing the discoidal 
cell; a black spot, with white inner border, at posterior angle: hind 
wing with a broad marginal red band, bordered inwardly with a linear 
series of white, and exteriorly with black lunules; an indistinct 
transverse discal dark line. 
Expanse | 7 inch. 
Hab. North of Simla. 
Frequents rich deep forests north of Simla, occurring with I. 
tamu in sunny glades carpeted with strawberry-blossoms, in May. 
116. ILERDA TAMU. 
Polyommatus tamu, Kollar, Higel’s Kaschmir, p. 417, t. 5. f. 7, 8. 
Hab. North of Simla. 
HEsPERIDz. 
117. PampHILA DANNA. (PI. XXX. fig. 8.) 
Pyrgus danna, Moore, Catal. Lep. Mus. E. I. C. i. p. 249. 
Upperside dark greenish brown ; fore wing with a narrow longi- 
tudinal streak within discoidal cell, terminating in two small spots 
ascending towards the costa, a small geminated spot before the apex, 
and three irregular-shaped spots obliquely on the disk pale yellow ; 
