Acid A LI A. 339 



2. A. Pygmcearia (Hiibn.). — Wings pale olive-colour, olive-brown at the base and in the 

 marginal area, with a broad dark central shade, a fine central point, and a light wavy 

 subterminal line, the fore-wings with two fine transverse lines, and the hind-wings with one ; 

 fringes with no dark dots. Expands about half an inch. Inhabits South Switzerland, Italy, and 

 South-Eastern Europe, in June and July. 



3. A. Perpusillaria (Eversm.). — All the wings luteous, with the fringes concolorous, and a 

 brown central fascia spotted with luteous ; fore -wings with brown streaks at the base and middle; 

 hind-wings with a brown inner line and central spot. Inhabits Sarepta. 



4. A. Vittaria (Hiibn.). — Brown, wings with a subniarginal line composed of luteous spots, 

 fore-wings with a very broad luteous fascia, interlined and bordered with luteous, and the hind- 

 wings with a narrow waved luteous fascia. Inhabits Andalusia, North Africa, and perhaps 

 Dalmatia. 



l- A. Filacearia (Herr.-Schafif.). — Wings lemon-yellow, with two dark brown transverse 

 lines, the second placed half-way between the first and the hind margin ; and with a black 

 marginal line and pale grey fringes. Expands about three-quarters of an inch. Inhabits the 

 Alps, and the mountains of South Europe and Western Asia. 



B. — AntaiiicB of the viale ciliated ; branches 6 aitd 7 of the hind-'wings stalked ; and the 

 hind tibicB with terminal spurs in both sexes, or occasionally without spurs, or with only one in 

 the male. 



*6. A. Rusticata (W. V.). — Wings whitish, with a black central spot, the fore-wings with 

 two black angulated transverse lines, the space between, and the base of the costa, dark brown 

 or rusty-brown (variety Vulpinaria, Hcrr.-Schiifif.) varied with bluish ; the lines and dark shade 

 are much less strongly marked on the hind-wings ; hind tibije of the male sometimes with 

 only one spur, or spurless. Expands two-thirds of an inch. Inhabits Southern and Western 

 Europe, as far as the south coast of England, in July. The larva is wood-coloured, with a 

 dark line, and often with lozenge-shaped spots on the back, and a black head. It feeds on 

 moss and lettuce in spring. 



7. A. Sericeata (Hubn.). — Fore-wings with a silky lustre, dull greyish-brown, with three oi" 

 four waved silvery transverse and subterminal lines ; hind-wings white, with three pale brown 

 transverse lines. Expands about i inch. Found in warm meadows in South Europe and 

 Western Asia. 



8. A. Mediaria (Hiibn.). — Fore-wings narrow, with the tip rather long ; hind-wings rounded 

 on the hind margin, with the inner margin straight. Pale yellow, dusted with blackish, 

 especially on the nervures, with the lines brown, diagonal, straight, and not extending 

 to the costa ; the central shade thicker and darker. Expands about i inch. Inhabits South- 

 western Europe in July. The larva is dull grey, with a broad brown line on the back. It 

 feeds on Euphorbia and Ulex till June. 



9. A. Litigiosaria (Boisd.). — Yellowish-white, dusted here and there with fine black atoms, 

 and with several olive-grey waved longitudinal shades or lines. A distinct black central dot 

 on each wing, beyond which are three brown transverse lines, and a row of black dots at the 

 ends of the nervures before the fringes ; no central shade. Expands about i inch. Inhabits 

 South Europe and Algeria from June to August. 



10. A. Moniliata (W. V.). — Wings whitish, with faint brownish nervures, and finely and 

 sparingly dusted with black, with a black central streak, a row of white spots surrounded with 

 brown in the marginal area, a black marginal line, and the fringes dotted with black ; the 

 fore-wings with three waved brown transverse lines, and the hind-wings with two. Expands 



