LEPIDOPTEKA. 151 



sionally abundant. I have met with it as late 

 in the year as November 8th. 



1. Lycsena ArgioluSj Linn. Azure Blue. Of occasional 



occurrence on holly bushes, laurels, and ever- 

 green oaks in April and May, and also in 

 August. 



2. L. Corydon, Fab. Chalk-hill Blue. A single speci- 



men only was taken by my father in Downton's 

 Lane (which is some distance from any chalk), 

 August 8th, 1836. 



3.. L. Alexis, Hub. Common Blue. Abundant from 

 May to October. 



4. L. Agestis, Schiff. Brown Argus. Common until 



1830, and also in 1868 and 1870, when several 

 were taken during the month of August in 

 Pelles and on Whitedown. 



5. L. Acis, Schiff. Mazarine Blue. This rare 



butterfly, which has almost disappeared from 

 the British Isles, used to occur here in pro- 

 fusion, as the following extracts from my father's 

 journal will show : June 22nd, 26th, 27th, 

 July 2nd, 6th, 1808, July 24th, 1811, July 12th, 

 1812, June llth, 12th, 16th, 1813, July 4th, 

 25th, August 1st, 1814, June 10th, 12th, 21st, 

 23rd, 26th, 1815, June llth, 13th, 16th, July 

 8th, 9th, 1816, June 12th, 1818, June llth, 

 15th, 19th, 22nd, 23rd, 27th, 1819, in Mullett's 

 Long-ground, and July 1st, 1819, in the 

 Green Wall; June 17th, 1820, on Dungeon; 



