Yl'ONOMEUTID.E. ANAOAMFSIS. 215 



the patch is faintly clouded wltli ash-colour, with some minute blackish 

 dots : posterior wings fuscous, with yellowish cilia. 



Local, but extremely abundant in some places, especially in hedges 

 in the vicinity of Birch wood, and occasionally at Darenth, Hertford, 

 and near Horsley, in Surrey, in June and the beginning of July. 



Sp. 38. nivella. Alts anticis albis nebulis subcinertis, fascid abbreviata basalt 

 punctisque nigris, capite niveo. (Exp. Alar. 6 lin.) 



Ti. nivella. Fahricius. — An. nivella. Steph. Catal. li. 197. No. 7213. 



Anterior wings white, with some ashy clouds, having a clear white transverse 

 streak towards the hinder margin ; a little before the middle on the costa is 

 a rather stout and short oblique black streak, tending towards the hinder 

 angle, and between this and the latter are some blackish dots placed trans- 

 versely, with a few smaller ones towards the base, and a minute row of the 

 same on the hinder margin ; cilia ashy, with an obscure fuscous cloud : 

 posterior wings ashy-brown, with darker cilia. 



Not common : it occurs, at times, in June, at Darenth wood, and 

 likewise near Dover, and in Devonshire. 



Sp. 39. aleella. Alls anticis albis atro valde nubilosis, posticis fuscis, antennis 

 albo nigroque annulatis. (Exp. Alar. 5 — 6 lin.) 



Ti. aleella. Fabricius. — An. aleella. Sieph. Catal. n. 197. No. 721i. 



Anterior wings white, with large deep black clouds or spots, running together, 

 and forming an oblique fascia at the base, and an irregular vittafrom thence 

 to the apex : posterior wings and cilia ashy-brown ; antennte annulated 

 with black and white. 



Not very uncommon in gardens within the metropolitan district, 

 frequenting the trunks of apple-trees in June and the beginning of 

 July. 



Sp. 40. interruptella. Alis anticis subcinereis, stria fused. (Exp. Alar. 5 lin.) 

 Ti. interruptella. Hiibner.— An. interruptella. Stcph. Catal. ii. 197. No. 7215. 

 Anterior wings somewhat ashy, or pale, with a broad fuscous, interrupted, 



streaks from the base to the apex. 

 Probably a variety of the foregoing species. 



Scarce : it has occurred near Lewes and Brighton, and also within 

 the metropolitan district, in June. 



Sp. 41. fulvescens. Alis anticis fulvescentibus nebulis minutissiviisfuscis, posticis 



fusco-plumbeis nitidulis. (Exp. Alar. 5 lin.) 

 Re. fulvescens. Haworth.—A.n. fidvescens, Steph. Catal ii. 197. No. 7216. 



