AIA'CITID.F,. PTEROFHORUS. 375 



S|). 16. pallidactylus. Alls anticis ochroleucis nehulis alitjuot sat ii ratio riLus, 

 posticls fusco-ochraceis. (Exp. Alar. 1 unc. — 1 uiic. 1 I'm.) 



Al. pallidactyla. Haworth.—Pt. pallidactylus. Sieph. Cutul. ii. 230. No. 7619. 



Aiiteiior wings of a whitish colour, with various darker clouds, a rather con- 

 spicuous whitish spot towards the apex of the costa, and another on the 

 inner margin, near the base; cilia white: posterior wings ochrcous-brown, 

 with fuscous cilia. 



Not uncommon in chalky districts, abounding at Darenth wood, 

 tlie Sliccp Leas near Ripley, at Hertford, Dover, &c. in June. 



Sp. 17. migadactylus. Alts anticis albidis fuscu maculalis, posticis fuscis. 

 (Exp. Alar. 1 unc.) 



l*t. migadactylus. Fahricius ? — Stcj)h. Catal. ii. 230. A'o. 7 620. 



Anterior wings whitish, spotted or clouded with fuscous; cilia pale fuscous: 

 posterior wings and cilia fuscous. 



Very rare: found near Darenth wood in June. 



Sp. 18. similidactylus. Alis anticis grisco-ochraceis nigra partim irroratis, 

 costd margineque tenuioris postice saturatiorihus. (Exp. Alar. 9 lin.) 



Pt. similidactylus. Curtis MSS. — Dale in Loud. Mag. Nut. Hist. v. vii. 

 ^.263.— Pt. phseodactylus. Steph. Catal. ii. 230. No. 7621. 



Anterior wuigs griseous-ochre or fuscous, minutely but irregularly and par- 

 tially dusted with black, the costa and apex of the iinier margin somewhat 

 fuscesccnt ; cilia fuscous : posterior wings fuscous. 



Taken in the New Forest, also in the Isle of Wight, Dorsetshire, 

 and Devonshire; and in Scotland, near Edinburgh. 



B. Posterior icings with an appendage on the inner margin. 



a. Anterior wings broad and acute: — PLAiYrxiLiA, Hilbner. 



Sp. 8. trigonodactylus. Alis anticis pallide ochraceis, macula jxjsticu costuli 

 trigond. (Exp. Alar. 10 — 11 lin.) 



Al. trigonodactyla. Haworth. — Pt. trigonodactylus. Steph. Catal. ii. 230. 

 No. 7622. 



Anterior wings pale ochreous, sometimes with a reddish tinge, with a very 

 faint palish streak on the hinder margin, and a distinct triangular brow u 

 spot on the costa towards the apex : posterior wings and cilia deep brown. 



Not very rare in some places within the metropolitan district, 

 during the summer, but more abundant on the coasts of Hants ; found 

 also in Yorkshire. 



Sp. 20. rhododactylus. Plate 41./. 3. — Alis anticis fcrrugincis, fascia rufd 

 extrorsum albo-cinctu, ciliis albo rujbquc variis. (Exp. Alar. 10 — 11 lin.) 



