386 BRITISH BUTTERFLIES. 



Geneva (Muschamp); May 24th, 1907, at Bex (Wheeler); May 25th, 

 June 6th, July 31st, 1907, at Versoix, June 2nd and 9th, 1907, at 

 Hermance, June 20th, 1907, at Bois des Freres, July 14th, 1907, at 

 Iselle, June 7th, 1907, at Plan Cerisier (Reverdin); June 8th, 1907, 

 at Yvoire (Blachier); June 5th-12th, 1907, at Digne (Gurney); June 

 7th- 10th, 1907, at Hermance (Muschamp); June 8th, 1907, in the 

 Tiniere Valley (Wheeler); June 16th, 1907, on the Saleve (Muschamp); 

 June 17th, 1907, at Villars, les Dourbes, June 19th, 1907, in the 

 Eaux-Chaudes valley (Gurney); June 17th, 1907, in the valley of St. 

 Vincent, le Vernet, June 25th, 1907, in the Vallee du Lys (Keynes); 

 June 24th, 1907, at Digne (Blachier); July 5th-7th, 1907, at Martigny 

 (Eehfous); August 13th, 1907, at Vernayaz (Page); August 18tb, 1907, 

 at Weissenstein, August 23rd, 1907, in the Via Mala (Tutt); August 30th, 



1907, at Veyrier (Blachier); September 7th, 1907, at Bois Taille 

 (Reverdin); October 13th, 1907, on the Gosseck in Upper Styria 

 (Hoffmann); May 21st, 1908, at Versoix (Blachier); May 28th, 1908, 

 at Allondon (Reverdin); June 2nd-8th, 1908, between Budafok and 

 Kelenfold, June 10th-14th, 1908, at Czerna (Rosa); June 5th, 1908, 

 on Mt. Pelerin (Tetley); June 13th-24th, 1908, at Berisal (Prideaux); 

 June 14th, 1908, at Versoix (Reverdin); June 18th, 1908, at Dompierre- 

 sur-Mer (Oberthur); August 2nd, 1908, at Barcelonnette (Rowland- 

 Brown); August 2nd, 1908, at Versoix, August 22nd, 1908, at Martigny 

 (Reverdin); August 12th, 1908, at Thoiry (Blachier); August 12th, 



1908, above Zernetz, August 13th, 1908, on the Ofen Pass, August 

 14th, 1908, in the Muranza-Thal, August 17th, 1908, at Gomagoi 

 (Tutt); May 18th-June 7th, 1909, at Branson, May 23rd-June 23rd, 



1909, at St. Triphon, May 25th, 1909, at Sonzier, May 30th, 1909, in 

 the Tiniere Valley, June 16th, 1909, at Salquenen, June 17th, 1909, 

 in the Pfynwald, June 20th, 1909, at Berisal (Alderson); May 23rd, 

 1909, at Versoix, May 20th, 1909, at Hermance, May 30th, 1909, at 

 Martigny and Branson, June 15th, 1909, at Bois des Freres, June 

 17th, 1909, at Bois Taille (Reverdin) ; May 27th, 1909, at Esperia, 

 June 3rd-20th, 1909, on the Aurunci Mts., at 3000 ft. (Barraud); May 

 29th, 1909, on Mt. Voirons, June 2nd, 1909, on the summit of Mt. 

 Saleve (Blachier); May 30th, 1909, on the Svabhegy, near Budapest 

 (Sheldon); June 18th and 21st, 1909, just emerging at Fiesole, June 28th- 

 July 10th, 1909, at Assisi (Wheeler); July lst,'l909, on the Dent de 

 Vaulion, July 5th, 1909, at Eclepens, July 18th-Augu-t 18th, 1909, on 

 Mont Tendre, July 21st, 1909, at Asile de Molendrenz, July 19th, 21st, 

 24th, 26th, 1909, in the Vallee de Joux (Gibbs); August 10th-14th, 

 1909, at Mende (Rowland -Brown). 



Habits. — There can hardly be a second thought that this is the 

 loveliest of all our native blues. A stretch of down along which the 

 beautiful $ s of this species are sometimes to be seen flitting or bask- 

 ing in the sun in hundreds, is really a brilliant spectacle; whilst a 

 wayside bank, as at Draguignan, or a weedy field as at Digne, may 

 appear to be alive with the glorious creatures. The butterfly almost 

 always emerges between 9 a.m. and 10.30 a.m., rarely appearing at 

 any other time, and, if the sun be shining, is soon ready for flight. 

 The £ s look very large and robust compared with those of Polyommatm 

 icariis, which usually occur in the same habitats, and its delightful 

 colour makes it most conspicuous. The $ , when actively on the 

 wing, flies rather swiftly, with a somewhat zigzag flight, showing 

 alternately the blue upper- and the grey underside of the wings, when 



