252 
SA TYRID.E. 
VARIETIES. 
Alecto (ab.), Hilb. 515-6 (1802) ; 0. i. 1, 279 ; Fit. 149, 3.— 
?' Atratus, Esp. 104, 1. — Persephone, Esp. 121, 5, 6. 
Expands from 1’50 to nearly 2 in. Specimens are frequently 
found of a larger size than the type, and seldom as small as the 
smaller specimens of Glacialis. All the fulvous markings are 
nearly or quite obsolete, the insect being of a uniform dark brown 
above, and the hind wings beneath nearly black. PL LXI., 3. 
Time of Appearance. — June to August. 
Habitat. — The Alps of Switzerland, at a lesser altitude than 
the type. 
Pluto (ah.), A, Esp. 121, 1 (1805); Butl. Cat. 77. — Alecto, 
Boisd. Ic. 32, 4, 5 ; Bup. i. 38, 1, 2. — Tisiphone, Esp. 122, 5. — A 
very dark form of the male, in which the wings are entirely black 
above and beneath ; scarcely distinct from the preceding. 
16. — E. Scipio, Boisd. Ic. 30, 1-6, p. 152 ; Bup. 1, 38, 5, 6 ; 
H.-G. 980-3. 
Expands from 1-70 to 2 in. Male dark brown ; all the wings 
with a reddish fulvous submarginal band ; fore wings with two 
large coalescing black spots near the apex with conspicuous white 
centres ; beneath these are two small ones, with minute white dots 
in their centre ; hind wings with three small black spots of equal 
size, and with minute white centres ; marginal fringe brown. 
Under side : Fore wings reddish fulvous ; costa and hind margin 
dark brown, the two large coalescing spots as above, only one 
smaller one beneath them ; hind wings dark blackish brown, with 
a slightly lighter submarginal band, on which are three incon- 
spicuous black spots. Female lighter brown, fulvous bands less 
tinged with red, and the spots much more conspicuous ; those on 
the hind wings with light blue centres ; marginal fringes whitish. 
Under side : Fore wings fulvous, costa and hind margin grey, two 
white-centred spots beneath the two large upjier ones ; hind wings 
grey, very slightly mottled with light brown, and with one or two 
inconspicuous dark spots. PI. LXI., 4, 
Time of Appearance, — July. 
