Omia. 259 



Myrtilli. It inhabits moors and mountains in Northern and Central Europe (France excepted ?), 

 and, according to Stainton, is sometimes found at rest on rocks at Rannoch. It appears from May 

 to July. The larva feeds on Vaccinittm nliginostmi. 



■3. A. Alclalenca (Thunb.). — Fore-wings black, with the transverse lines and stigmata white, the 

 reniform stigma containing a black spot ; fringes spotted with black ; hind-wings white, with a black 

 central spot, and a broad black border ; fringes white. Inhabits Lapland, Norway, and Labrador. 



* 4. A. MctanoJ>a (Thunb.). — Fore-wings dark grey, sometimes dusted with yellow, with 

 unicolorous stigmata, and double black dentated transverse lines ; hind-wings dirty white, dusted 

 with black at the base and inner margin, with a black spot in the middle, and a broad black border. 

 In the variety Rupestralis (Hiibn.) the hind-wings are wholly clouded. Expands from i to i:^ 

 inches. Inhabits Lapland, Labrador, and the Alps from June to August ; it is also found at 

 Rannoch. {A. Nigrita, Boisd., from the Alps, has black wings, with white fringes ; on the fore- 

 wings the reniform stigma is absent, and there is a broad ashy-grey submarginal stripe.) 



5. A. Fnitebris (Hiibn.). — Fore-wings dark grey, blackish in the central area, with two single 

 thick black waved transverse lines; hind-wings dark grey, with a white spot in the middle. 

 Expands about I inch. A rare species, inhabiting the Alps, Lapland, and Labrador in July. 

 {A. Ricliardsoni, Curt., has the fore-wings varied with grey and white, the transverse lines black, 

 dentated, and broadly bordered with grey ; stigmata partly bordered with grey and black ; fringes 

 spotted with black and white ; hind-wings grey or whitish, with a black border and central spot, and 

 white fringes. Inhabits Lapland, Greenland, and Labrador. A. Sc/icenherri, Zett, also circum- 

 polar, has black fore-wings, varied WMth grey, the transverse lines black, zigzag, and partly 

 bordered with paler. The three stigmata are white, bordered with black, but the reniform stigma 

 is more or less filled up with dusky ; otherwise this species seems to resemble the last.) 



6. A. Lapponica (Thunb.). — Male with black fore-wings, varied with grey and white, and 

 fringes spotted with black and white ; hind-wings blackish, with white fringes ; female with smoky- 

 brown fore-wings, with a black central band, and the fringes blackish, spotted with grey ; hind- 

 wings black, with white fringes. Inhabits Lapland, Labrador, and Greenland. {A. Zettcrslcdtii, 

 Stand., is blackish, with obscure yellowish-grey markings round the black stigmata and beyond 

 the elbowed line ; hind margin with a stripe of the same colour, spotted outside with black ; 

 fringes broad and unicolorous ; hind-wings blackish, with broad white fringes. Inhabits Lapland, 

 and the mountains of Norway. A. Quicta, Hiibn., from Lapland, has dark grey fore-wings, with 

 angulated transverse lines, and whitish stigmata bordered with black ; fringes spotted with whiti.sh ; 

 hind-wings ashy-grey, with two whitish stripes, the first bordered, and the second spotted with 

 black ; fringes whitish.) 



GENUS v.— OMI.V (GUfiN.). 



Fore-wings without the iW^^/z/rt-pattern, the fringes spotted with black and white, and the 

 hind-wings unicolorous. 



1. 0. Cynibalaria; (Hiibn.). — Fore-wings olive-brown, with a pale grey suffused central band, 

 and the nervurcs in the marginal area black ; hind-wings blackish, with white fringes. Expands 

 about I inch. Inhabits the Southern Alps, and the mountains of South France and Spain. It 

 flics rapidly by day, often resting on flowers in the heat of the sun. 



2. O. Cyclopea (Grasl.). — Fore-wings brownish-grey, darker at the base and paler in the 

 middle, with the transverse lines waved, whitish, and narrowly bordered with black ; the 

 reniform stigma large, nearly triangular, and bordered with black ; hind-wings dark brown, 

 paler towards the base. Inhabits the mountains of Corsica, Spain, and Piedmont, 



