Canadian Butterflies. 315 



Papilio Edusa, Borkhausen, Europ. Schmett, pars i, p. 119 et 

 254, n. 3, pars ii, n. 213, Frankfort, 1788-1 "795. 



Papilio Hyale, Cramer, Pap. p. 119, pi. cccii, fig. E. H. 

 Utretclit, 1781. 



Le Souci, Ernst, Pap. d'Europe, vol. ii, p. 226, pi. liv, n. Ill, 

 A. D. Paris, 1780. 



VARIETIES. 



Papilio Helice, var Hubner, Pap. tab. Ixxxvii, fig. 440-441, 



Colias Myrmidone, Hubner, Europ. Scbmett, tas. Ixxxvi., fig. 

 432, 435. 



Colias Myrmidone, West, and Hump Brit. Butterflies, 130, t. 

 42, f. 1-3. 



Colias Chrysotheme, Step. Haust, 1, 11, t. 2, f. 1, 2. 



Colias Aurora, Meig. Scbmett, 1, 26, 2, t. viii, f. 1. 



Also described by a very large number of other authors. 



Male; — Antennae, rose-colored, with the club somewhat em- 

 browned. Upper side ; anterior wings, deep orange or safii'on co- 

 lour, with a broad, deep blackish brown margin, a little indented 

 internally with the nervures which are finely but distinctly marked 

 with yellow, and divide the black band, the fringe rose-colour; a 

 black oblong spot marks the disk nearer the costa than the inner 

 margin ; costa, paler than the rest of the wing. Posterior wings 

 shaded with green, and on each a round deep orange discoidal 

 spot ; the margin is also deep blackish brown, the brown colour ter- 

 minating in a point short of the anal angle, which is paler than the 

 rest of the wing. Under side ; anterior wings paler than'on the 

 upper side, and all that part of the wing corresponding to the 

 border, greenish yellow, seperated from the ground colour by a 

 row of minute spots about six in number, increasing in. size as they 

 approach the inner margin, and placed parrallel to the hind mar- 

 gin, the three first very indistinct and ferruginous, the other three 

 black. The black discoidal sub-marginal spot has a minute white 

 pupil, and there are also two small ferruginous spots on the costa 

 near the tip. Posterior wings, entirely pale yellow, in the centre 

 is a compound eyelet, the exterior circle of which is composed of 

 ferruginous scattered scales, winch to form the iris are more con- 

 densed, and the two pupils, of which the outer one is the largest, 

 are silvery. They have also a curved row of indistinct ferrugi- 

 nous spots placed parallel to the hind margin, and at the base a 

 spot of rose-colour ; the abdomen is greenish yellow, with the 

 back black : thorax covered with rosy hairs ; expansion of the 



