268 HAUSTELLATA, LEPIDOPTERA. 



Ti. unifasciella. Haworth. — Mi. unifasciella. Steph. Catal. ii. 208. No. 7342. 



Anterior wings pale brownish, with a silken gloss, with a bright straight 

 silvery fascia in the middle : posterior narrow, fuscous, with paler very long 

 cilia : head pale. 



Very rare : I have seen two examples only, one in the late Mr. 

 Haworth's cabinet, the other in my own ; the last was taken in June 

 at Darenth wood. 



Sp. 17. mediofasciella. AUs anticis atris, fascia medio argentei. (Exp. Alar. 

 2i lin.) 



Ti. mediofasciella. Hawo7'ih. — Mi. mediofasciella. Steph. Catal. ii. 208. Ao.7343. 



Anterior wings deep black, with a bright broad silver fascia in the middle, 

 faintly interrupted on the disc ; cilia pale : posterior wings rather broad, 

 and deep leaden black. 



Very rare : taken in June near London, and at Ripley. 



Sp. 17. posticella. Alis anticis fusco-argenteis postice purpurascentibus,fasci& 

 postica argented. (Exp. Alar. 2§ lin.) 



Ti. posticella. Haworth. — Mi. posticella. Steph. Catal. ii. 208. No. 7345. 



Anterior wings of a silvery-brown, with a silken gloss, with a straight broad 

 tawny-silvery fascia behind, extending from the costa nearly to the hinder 

 angle, behind which the wing is of a purplish hue : posterior wings pale 

 brownish-black, with paler cilia. 



Rare ; but found occasionally in the vicinity of London : in July 

 1827 I found a considerable number of specimens in the neighbour- 

 hood of Ripley. 



Sp. 18. aurella. Alis anticis auratis, postice atris, fascia argented. (Exp. Alar. 

 U-2i lin.) 



Ti. aurella. Fabric ius.— Mi. aurella. Steph. Catal. ii. 208. No. 7344. — An- 

 TispiLA, Hiibner. 



Anterior wings of a golden hue, and very glossy, with a bright silvery fascia 

 behind the middle, the apex deep black : posterior wings fuscous, or dusky 

 black, with rather paler cilia : head pale, with a yellowish front. 



Slightly variable in tint, and considerably so in size. 



Not uncommon in gardens and hedges in the month of June, 

 throughout the metropolitan district: found also in Scotland, and 

 near Dover. 



Sp. 18. floslactella. Alis anticis pallidc flavescentibus postice fascidque medio 

 violaceo-atris. (Exp. Alar. 3 lin.) 



