io8 Lloyd's natural history. 



success ; but still I do not regard it as by any means hope- 

 less. 



The Mazarine Blue expands about an inch and a quarter 

 across the wings. The male is dark purplish-blue, with a 

 moderately broad blackish border, and white fringes; the 

 female is brown. The under side is of a dull ash-colour, 

 greenish at the base, with discoidal lunules (very narrow 

 on the hind-wings), and a single row of rather small black 

 eyes in white rings beyond. 



The larva is covered with fine yellowish-green hair; the 

 dorsal and lateral streaks darker. The head, feet, and stig- 

 mata are dark brown. It feeds on Anthyllis vulneraria from 

 July to September. 



N. cyllarus (Von Rottemburg) is an extremely pretty species 

 allied to N. seiniai-giis^ and it is not uncommon on the Conti- 

 nent, but is absent in the North-west. The male is of a bright 

 blue above; and on the under side the eyes on the fore-wings 

 are much larger than those on the hind-wings, and the under 

 side of the hind-wings is of a beautiful green, from the base to 

 beyond the middle. 



I. THE LARGE BLUE. NOMIADES ARION. 

 {Plate XLVII. Figs, i, 2.) 



Papilio arion, Linn. Syst. Nat. (ed. x.) p. 483, no. 151 (1758), 

 id. Faun. Suec. p. 283 (1761); Esper, Schmett. i. p. 266, 

 pi. 20, fig. 2 (1777); i- (2) p. 53, Pl- 59, fig- 2 (1780); 

 Hiibner, Eur. Schmett. i. figs. 254-256 (1803?). 



Polyojnniatus arion, Godart, Enc. Meth. ix. p. 69S, no. 235 

 (1823); Stephens, 111. Brit. Ent. Haust. i. p. 87 (182S); 

 Kirby, Eur. Butterflies and Moths, p. 45 (1879); Bar- 

 rett, Lepid. Brit. Isl. i. p. 96, pi. 14, figs. 3, T^a-c 

 (1892); Buckler, Larvoe of Brit. Lepid. i. pp. 1S5, iS3 

 (1886). 



