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 fierured 

 and described by Mr Curtis, who states that l^e 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. Ham. i. 77 Dark or 

 Black Hair Streak, Harris. Polyommate W-blanc, Go- 

 dart) Hist, des Pap. de France. Pap. W-album, Hubner. 



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 

 binder margin in the primary wings, but near the 



