ARGYNNIS. 
203 
Times of Appearance. — June and July. 
Habitat. — Lapland ; mountains in Central Norway ; North 
Kussia, down to 60° N. lat. ; North-Eastern Siberia ; Labrador and 
Greenland. The commonest and most widely distributed of the 
Arctic species. 
Larva, &c. — Unknown. 
9. — A. Dia, Linn. Syst. Nat. xii. 785 ; Esp. 16, 4; 61, 2 : Hiib. 
31-3; 0. 1. 1, 61; Err. 211. 
Expands from 1-25 to 1’50 in. All the wings bright fulvous, 
with the usual black spots large and distinct ; marginal fringes 
plain ; base black. Under side : Fore wings with the black spots 
very distinct. Hind wings purple, darkest at the base ; central 
light band yellow, with three triangular silvery spots ; parallel to 
the hind margin is a row of conspicuous black spots, generally with 
light centres, and external to these a hind-marginal row of silvery 
spots. PI. XLYHI., 1. 
Time of Appearance. — May to September. 
Habitat. — Woods and bushy places throughout Central and 
South-Eastern Europe, Northern and Central Italy, Asia Minor, 
Armenia, and the Altai. One frequently meets with accounts of 
the existence of British specimens, but I never remember to have 
seen any record from an actual captor. 
Larva. — Grey, with darker lateral lines, and a black dorsal 
line ; spines greyish white ; legs black. Feeds on Viola canina, 
tricolor, &c., in July and September. 
10. — A. Amathusia, Esp. 88, 1, 2 (1783), ii. p. 170 ; Hiib. Zett. 
p. 11; 0. 1. i. 75; Err. B. i. 1. 
Titania, Hiib. 47, 48. 
Dia Major, Esp. 93, 2, 3. 
Diana, Hiib. 51-4. 
Expands from 1-25 to 1*75 in. Wings bright fulvous, black 
at the base ; hind margins with a black border, and with the 
fringes variegated ; black spots arranged very much as in A. Dia. 
Under side : Fore wings reddish purple at the apex, mixed with 
