87 



BLACK HAIRSTREAK. 



PLATE XL. 



Thecla pntni, Stephens. Curtis. Duncan. 



Westwood. 

 Papilio pruni, Linnaeus. Hubner. 



Strymon pruni, Hubner. 



Lycana pntni, Ochsenheimer. 



Barnwell and Ashton Wold, and the ueighbourhood of Polebiook, 

 Northamptonshire, where the Rev. William Bree has captured it in 

 plenty, Black Hill, near Exmouth, Devonshire, where James Dalton, 

 Esq., of Worcester College, Oxford, has taken it, and Monk's AVood, 

 in Huntingdonshire, are localities for this fly. 



It appears the middle of July, but has been taken I believe so soon 

 as the 18th. of June. 



This species averages about an inch and a quarter in the e.xpansion 

 of its wings. The fore ones are of a blackish brown colour, with a 

 light silky patch near the middle towards the front edge. The hind 

 wings have two or three, or more, pale orange-coloured semicircular- 

 shaped spots near their hind margin at the inner corner, and extending 

 more or less forwards, often running much together into a line. 



Underneath, the ground-colour is an ash grey, the fore wings having 

 a slender, nearly straight, bluish white line extending nearly across them 

 beyond the middle; outside this line there are several obscure fulvous 

 patches, those nearest to the lowest corner being preceded by a black 

 and silver dot or eyelet. The white line proceeds from the fore wings, 

 and reaches to the inner margin of the hind wings, where it becomes 

 more irregular, somewhat resembling an obtuse W. The black spots, 

 seven in number, and edged internally with silver, are more conspicuous 

 on these wings, and are succeeded by a broad fulvous bar extending 

 to the outside corner, its outer edge being marked with semicircular 

 black marks, followed by a silvery line. The spots nearest the lower 



