84 



BRITISH BUTTERFLIES. 



Yeab. 



Earliest captures. 



Locality. 



Latest captures. 



Locality. 



1903 



July 18th ( <? s only) 



Brighton 



September 18th 



Lancing 



1904 



July 27th 



Eeigate 



well into September 



Reigate 



1905 



July 19fch 



Keigate 



September 3rd and 4th 



Eeigate and 

 Lewes 



1906 



July 11th 



Eeigate 



September 8th 



Clandon 



1907 



July 20th 



Dover 



September 11th 



Sussex and 

 Surrey 



1908 



July 17th 



Dover 



September 23rd 



Dover 



Granting that the species was out at least some days earlier and later than 

 the dates here noted, it is clear that the species is usually two months 

 on the wing, this period being largely (or entirely) dependent on the differ- 

 ence in the rate at which the larvae feed up. The following dates have 

 been collected from various sources — July 4th, 1883, on the Devil's 

 Ditch, Cambridge (Stephens); September 13th, 1845, on the downs near 

 Godstone Eoad (Stainton); September 6th, 1855, plentiful at Holling- 

 bury Coombe (Image); July 25th, 1856, in Wychwood Forest (E.W.I., 

 i., p. 147); August lst-4th, 1856, at Cirencester (Bingham); August 

 3rd, 1856, near Newmarket, very abundant (Wagstaff); August 5th, 



1856, near Newhaven (Reeve) : August 14th, 1856, abundant at 

 Hollingbury Coombe (Image); July 16th- August 1st, 1857, in the 

 Forest of Dean (Langley); about July 16th, 1857, near Cambridge 

 (Balls); July 17th-21st, 1857, near Ramsbury (Rye); July 21st-25th, 



1857, at Bristol (Bingham); July 23rd, 1857, at Figheldean, near 

 Amesbury (Caswall); August, 1857, near Reigate (Tugwell); August 

 16th, 1857, near Carisbrooke Castle (James); August 18th, 1857, at 

 Dover (Hayward); July 15th-20th, 1858, near Deal (Baldwin); July 

 18th, 1858, at Riddlesdown, abundant (Fisher); July 25th, 1858, 

 abundant at Croydon (Killingsback); July 29th, 1858, at Chevening, 

 near Sevenoaks (Stanhope); July 31st, 1858, near Chatham (Tyrer); 

 August lst-2nd, 1858, at Riddlesdown (Lamb); August 3rd- September 

 17th, 1858, at Ashford (Russell); August 3rd-5th, 1858, at Leck- 

 hampton (Trye); August 15th, 1858, near Croydon (Gregory); August 

 25th- September 15th, 1860, at Folkestone, Dover, and Ventnor 

 (Fereday) ; September lst-13th, 1860, at Deal (Fenn) ; a late 

 season, seen up till October 4th, 1860, at Deal (Harding) ; a 2 

 August 14th, 1864, in Ladbroke Square, Notting Hill (A. H. 

 Clarke); July 27th, 1865, at Gurnard Bay, Isle of Wight (Gibson); 

 August 16th-30th, 1865, between Dover and Sandgate (Cox); July 

 24th, 1868, on Painswick Hill (C. J. Watkins); one c? September 1st, 

 1868, on the beach at Southsea, supposed to have crossed from the 

 Isle of Wight (Moncreaff); August 21st, 1869, very plentiful at 

 Hollingbury Coombe (Image) ; imagines appeared July 6th-9th, 1870, 

 from pupne that had been in that stage from June 13th (Newman); 

 August 5th-21st, 1871, in the Rhinefields Sandy enclosure in the New 

 Forest (Lockyer); July 16th-30th, 1874, at Eastbourne (Shearwood); 

 July 9th, 1875, in the Marlow district (A. H. Clarke); August 27th, 

 1876, at Ventnor (Bower); beginning of August, 1877, at JVnibridge 

 (Rowland-Brown) ; October 4th, 1877, at Wootton-under-Edge 

 (Perkins); July 28th, 1878, in the Marlow district (A. H. Clarke); 

 August 24th, 1879, at Cuxton (Bower); beginning of August, 1879, 

 very plentiful on Hunstanton downs (Rowland-Brown); September 



