302 TI AUSTELL AT A. — LKI'IDOPTF.RA. 



Sp. 10. Mercurella. Alis anticis albido'Ci7iereiis nubfascicaiis medio jmncio alio 

 8 cincia. (Exp. Alar. 7§— 8§lin.) 



Ph. Ti. Mercurella. Linne. — Eu. Mercurella. Steph. Catal.\i,2].i. iVo. 7426. 



Anterior wings ashy-white, clouded, and with two remote repanded fuscous 

 streaks, one before, the other behind the middle, and between them a remote 

 black dot, behind which is an irregular fuscous mark, with a black border 

 forming the character a, in place of the x of some of the preceding species : 

 the hinder margin is darker than the rest of the wings, and is clouded or 

 streaked with white, with a faint continuous dusky line on the extreme 

 edge; cilia ashy, with a row of xninute black dots at the base. 



Variable in tint, and slightly in markings, some examples being more clouded 

 than others, and some being of a reddish hue. 



Extremely abundant on the trunks of trees within the metropolitan 

 district, throughout the summer . found also in the New Forest, 

 Devonshire, the north of England, &c. 



Sp. 11. angustea. Alls anticis angustis, ehngatis, fusco-cinereis, nebulis satu~ 

 ratioribus, strigisque tribiis albidis, posticis fuscis. (Exp. Alar. 6 — 7 lin.) 



Eu. angustea. Curtis ?— Steph. Catal. ii. 2U. No. 7427. 



Anterior wings long and narrow, brownish-ash, with darker clouds; towards 

 the base is an irregular whitish streak, edged with fuscous, and a repanded 

 one behind the middle, between which are three indistinct dusky marks, two 

 towards the base, forming a prostrate Roman I ; the second a blackish dot, 

 placed on the middle of its side; the other mark imperfectly resembles a 

 Greek x> placed on a dusky cloud ; the hinder margin is fuscescent, with 

 irregular whitish lines, and a row of minute black dots near the extreme 

 edge ; cilia pale fuscous, with a darker line at the base. 



Less abundant than the last, but far from uncommon, within the 

 metropolitan district, in June ; it has also occurred near Tunbridge 

 Wells and Hastings. 



Genus CCCLXIL— Phycita, Curtis. 



Palpi four ; maxillary minute, triarticulate ; labial as long as the head and 

 recurved, clothed with short scales, and slender ; the terminal joints shorter 

 than the first, elongate-acute : maxiUw moderate, spiral. Antennas dissimilar 

 in the sexes, the basal joints in the males being thickened by having an oval 

 mass of scales attached, the stem itself being slender, as is the rest of the 

 antennse, and pilose within : head small, with smooth scales in front : eyes 

 globose : thorax short : ivings convoluted during repose ; anterior elongate- 

 trigonate, with the hinder margin rounded, the disc frequently with griseous 

 colours, and having two transverse paler streaks, one straightish before the 



