TOKTHICINA. 105 



black. Palpi longer than the head, pale ochreous above and at the 

 sides, the apex grey ; cream -colour beneath and between. Antennas 

 fuscous. Thorax greyish ochreous, and glossy. Patagia greyish 

 ochreous at the base ; the apex brighter and glossy. Anterior wings 

 rich ochre-colour, inclining to pale ferruginous, clouded or streaked 

 with grey, with an iridescent olive-green in some directions, and 

 crimson in others ; an immaculate dorsal blotch of the ground-colour 

 of the wing, tooth -shaped, and with the point directed towards the 

 apex. Costa beyond the middle marked with five oblique, geminated, 

 produced streaks, cream-coloured with dusky interspaces ; below are 

 faint indications of lustrous blue streaks; the apical spot bright 

 ochreous, and below it a pale streak which is produced through the 

 marginal scales and cilia. On the apical margin are three black 

 dots. Apical scales iron-grey, somewhat mottled towards the anal 

 angle. Cilia fuscous grey, with pale bases. Posterior wings and 

 marginal scales purplish brown ; the latter with yellowish bases. 

 Cilia glossy, straw-colour. Abdomen shining, fuscous, with a pale 

 grey tuft at the apex. $ Exp. al. 6-| 7 lin. 



A rather common species; constant in size, but somewhat 

 variable in colour. Of the size of D. Petiverella, but with the 

 anterior wings narrower. 



The imago appears in June in grassy places, occasionally in 

 company with D. Petiverella. It occurs throughout the metro- 

 politan district, in Yorkshire, Cheshire, &c. 



4. alpinana, Treit. Alis anticis flavis, olivaceo-fusco variis ; macula 

 margine dorsali lata et distincta ; strigis costalibus productis 

 flavis ; margine apicali punctis tribus atris ; posticis aureo-fuscis. 

 c? Exp. al. 7-7^ lin. 



Head dusky ochreous. Face pale drab. Eyes dark brown. Palpi 

 longer than the head ; above dusky ochreous ; at the sides, and be- 

 neath, pale drab, with the apex dusky. Antenna fuscous. Thorax 

 olive-brown, with a greenish iridescence. Patagia : at the base and 

 apex ochreous, in the middle dusky. Anterior wings glossy, bright 

 yellow, clouded and streaked with palish olive-brown, which in 

 certain lights has a greenish appearance. On the dorsal margin is a 

 largish curved blotch of the ground-colour, with its apex acute, and 

 anterior edge rounded ; posteriorly it is somewhat concave, and gives 

 out fine streaks of the same colour in the direction of the apical 

 margin. The costa is obliquely geminated with yellow markings, one 

 of which at, and another beyond, the middle, are much produced and 

 dilated, and have a black line running- along them. The streak at the 

 middle, in conjunction with the dorsal blotch, form an angulated 

 dilating fascia. The apex and apical margin yellow. Towards the 

 anal angle are three black spots. Apical scales glossy, umbreous. 

 Cilia shining, brown, with a slight violet-tinge. Posterior wings and 



