148 BRITISH BUTTERFLIES. 



p. 312 (1909); Eebel, " Berge's Schmett.," 9th ed., p. 70 (1909).— ?. Brown 

 shaded all over with lilac-blue, with darker costa, pale wedge-shaped mark to 

 hindwings, and pale blue margin bordering orange spots (Tutt). 



The ground colour of this form is of a very pale brownish -grey tint, 



covered all over thinly with lilac-blue scales. The name pallida is 



already used for a $ form of this species (antea, p. 136), and, as the 



pallida $ and pallida $ [Brit. Butts., p. 175) do not occur together 



racially, although both are characterised by their pale lilac- blue tint, it 



may be well to distinguish them, hence the change of name. It has 



the combined caeruleocuneata-lunulata characters developed. 



<p. ab. angulata, Tutt, "Brit. Butts.," p. 175 (1896); Gillm., "Int. Ent. 

 Zeits. Gub.," ii., p. 11 (1908); Seitz, " Gross-Schmett.," p. 312 (1909); Eebel, 

 "Berge's Schmett.," 9th ed., p. 70 (1909). — ? . Like ab. pallidula, but with an 

 angulatecl row of pale blue spots just inside the orange marginal band of forewings 

 (Tutt). 



This is a slight modification of the caeruleolunulata form, the 

 series of blue lunules edging the orange spots of the forewings being- 

 modified 'into an angulated series of blue spots crossing the wing just 

 within the orange lunules. 



X- ab. coridon, Esp.," Schmett. Eur.," iii., p. 134 (1784); pi. lxxix. (cont. xxix.), 

 fig. 1 (1786). — This figure is necessary in order to prevent confusion with others. The 

 ground colour of the upperside is brown, inclining to grey, with some blue mixed ; 

 on the border is a row of black spots which, towards the disc, have a white edging, 

 whilst, on the hindwings, this edging is half reddish-yellow. The underside is dark 

 grey, shaded on the hindwings, however, more into yellow-brown ; here also are to 

 be seen the reddish-yellow spots as on the upperside ; they are not so strongly 

 marked on the forewings, and are entirely wanting in the <$ (Esper). 



The figure shows this to be a pale brown $ form of P. i car us (the 

 description says mixed with blue), with white-edged marginal spots on 

 the forewings, and well-marked discoidal lunule, and orange-red lunular 

 band on the hindwings ; whilst the underside has only one basal spot 

 to the forewings ( — candio^e, Bergs.). It is, therefore, the antico- 

 albolunulata form, a not uncommon aberration among the browner $ s. 



\p. ab. biformis, n. ab. Icarus gyn., Gillm., "Ent. Zeits. Gub.," xx., p. 157 

 (1906). — Abdomen apparently ? . The upper surface of the right side of a 

 beautiful blue icarus colour, bearing a row of marginal black spots on both fore- 

 and hindwings, inwardly edged with red. The left side ordinary 2 , with the 

 orange marginal band well developed. The ground colour of the right underside is 

 lighter brown- grey than is usual in the ? , the costal margin of the forewing 

 broadly suffused with blue-green, as is also the hindwing, except in cell 7 ; the left 

 underside is more typically brown-grey, whilst all the wings beneath have a strongly 

 orange marginal band. Captuied at Hochstedt near Hanau, July, 1904. In coll. 

 LeonharClt (Gillmer). 



Aberrations in both sexes. 



a. ab. transparens, n. ab. Alexis ab., " Illus. Tars. Brit. Lep.," pt. vii., 

 pi. hi., fig. 5 (1880); "Nat. Journ.," p. 9, pi. iii., fig. 17 (1896). Icarus ab., 

 South, "Proc. Sth. Lond. Ent. Soc," 1888-9, p. 64 (1890); Dale, "Hist. Brit. 

 Butts.," p. 70 (1890). — The wing-scaling in both sexes so thin, that the ocellated 

 spots of the underside show clearly through the wing, so that they may be seen on 

 the upperside. 



This aberration occurs in both sexes. Mosley figures (lllus. Vars. 

 Brit. Lep., pt. vii., pi. iii., fig. 5) a $ , so transparent that the spots of 

 the underside show distinctly through on the upperside, the same 

 example, formerly in the " Sam Stevens' coll.," being again figured in 

 The Nat. Journ., pi. iii., fig. 17; in it, the marginal lunules, the sub- 

 median series of spots, and the basal spots of the underside of all the 

 wings are exhibited on the upperside. South (Proc. Sth. Loud. Ent. 



