200 European Buttert-lies axd Moths. 



colour, with a dark double line on the back, and a stripe on the sides, bordered on both sides 

 with dirty white. It feeds on grass till May. 



64. A. Birivia (W. V.). — Fore-wings blui.sh-grey, with whitish tran.sverse lines scarcely 

 bordered with dusky, a pale curved subterminal line, and the two stigmata surrounded with 

 whitish. Hind-wings whitish, with the hind margin grey, and a dark central lunule on the 

 under side. Expands about if inches. A scarce species, found throughout the Alpine ranges 

 in August. 



65. A. Cos (Hubn.). — Fore-wings yellowish-grey, with the transverse lines a little darker, 

 double, and slightly dentated, the subterminal line slightly curved, with two small curves in cell 

 I /', the stigmata and subterminal line indistinct, the latter very near the hind margin, and 

 slightly shaded with darker in front ; hind-wings pale brownish-grey, with no curved stripe 

 beneath. Expands if inches. Inhabits the Southern Alps in August, but scarce. {A. Cycla- 

 diini, Staud., is yellowish-grey ; fore-wings with three or four waved blackish transverse lines ; 

 the two stigmata bordered with black, and the hind-wings ashy. It is a little smaller than Cos, of 

 which it may be a variety, and occurs at Naxos in July. A. Fmia, Led., is of the size and shape 

 of Forcipnla or Signifa-a ; fore-wings dull brownish clay-colour, with the half-line and two trans- 

 verse lines blackish ; the claviform stigma is surrounded \\ith black ; the elbowed line curves 

 round the reniform stigma, which is shaped as in Sigiiifcra, and is parallel to the hind margin 

 below ; the orbicular stigma is rather long, and the pale subterminal line is indistinct ; hind-wings 

 ashy-grey, with the base and fringes paler. Inhabits Sarepta and the Altai.) 



66. A. Hclvetina (Boisd.). — Fore-wings with the tips prominent; dark bluish-grey, darker in 

 the central area, the transverse lines scarcely indicated, the two stigmata indistinctly paler, and not 

 distinctly bounded ; hind-wings reddish-grey. Expands from if to 2 inches. Inhabits the Alpine 

 ranges in July and August, but always rather scarce. 



67. A. Decora (VV. V.).— Fore-wings ashy-grey, with single dark dentated transverse lines, the 

 elbowed line strongly waved, with two curves in cell i /;, the two stigmata suffused with clay-colour, 

 the subterminal line indistinctly whitish, and shaded with darker in front ; hind-wings grey, whitish 

 towards the base in the male, and with a dark curved stripe on the under side. Expands from ij 

 to if inches. Inhabits the southern half of Central Europe in August. The larva is whitish, with 

 a dark line on the back, and lives on grass till June. 



68. A. RcHtgera (Hiibn.). — Fore-wings rather pointed, bluish-grey, with all the markings 

 suffused and ill-defined. The central transverse lines are waved and blackish, and the subterminal 

 line is onl)' indicated by a few white atoms; there is a row of blackish dots before the fringes. The 

 stigmata are large, tinged with yellowish-white, and separated by some blackish atoms, but very 

 indistinct. The reniform stigma is divided at the extremity ; of the claviform stigma only the 

 blackish extremity is visible, placed on a yellowish-white streak, which extends from the half-line 

 to the elbowed line. Hind-wings blackish, the base lighter, and the fringes ochreous. Expands 

 about \\ inches. Widely distributed in the Alpine ranges in July and August, but very rare. 



69. A. Leonina (Staud.). — Fore-wings dull sandy yellow, the half-line scarcely marked, the 

 central lines zigzag, and an irregularly zigzag dark marginal band. The orbicular stigma is much 

 smaller than the reniform stigma. Hind-wings dirty grey, whitish at the base. The antenna; of 

 the male are strongly dentated. It occurs at Sarepta in July. 



70. A. Siiiiplonia (Boisd.). — Fore-wings pale bluish-grey, varied with yellowish ; the transverse 

 lines are single, thick, blackish and dentated, the elbowed line strongly curved, with two curves in 

 cell \h, the orbicular and claviform stigmata absent, the reniform stigma dark, and the subterminal 

 line only indicated by the dark shading in front. Hind-wings brownish-grey, the collar with a 



