BLACK HAIR STREAK. 
215 
of a yellow colour, with two black points in the form 
of eyes. (Plate III. Fig. 8.) 
This species has been very often confounded with 
the following, which is of much more frequent oc- 
currence in this country, and has been generally re- 
garded as the true T. Pruni. Authentic indigenous 
examples of the latter were, we believe, first figured 
and described by Mr Curtis, who states that the in- 
sect was found by Mr Seaman, in Yorkshire, in such 
abundance, that it is now to be seen in almost every 
cabinet. It is well known on the Continent, in some 
parts of which it is rather common. 
WHITE LETTER HAIR STREAK. 
Thecla W-album. 
PLATE XXVIII. Fig. 2. 
Pap. Pruni, Lewin. pi. 44 — Donovan, xiii. pi. 437— Thecla 
Pruni, Jermyn— Stephen's Illus. Haus. i. 77— Dark or 
Black Hair Streak, Harris — Polyommate W-blanc, Go- 
dart, Hist, des Pap. de France.— Pap. W-album, I-Iubner. 
Upper side dark brown, with a silky gloss, the 
upper wings of the male having a greyish spot near 
the middle, towards the anterior border. The un- 
der side is light brown, with a narrow transverse 
slightly interrupted white line, placed towards the 
hinder margin in the primary wings, but near the 
