COLIAS IV. 



COLIAS EURYTHEME, 1—8. 



CoHas Euri/IJinne, Boisiluval. 



EURYTIIEMK, Bois., Ann. Soc. Knt. Fr., Ser. 2, X., p. 286. Eilwanis, But. N. A., I., p. 43, j.l. 14. 



Amjilddufia, Bois., 1. c, p. 286. 



Eilusa, Bois. and Lee, p. 59. Ediixa, var. Californica, Menetries, Enum. Corp. Aniin. Mus. Petr., p. 80. 



KEEWAYDIN, E.Iwanls, But. N. A., I., p. 47, pi. 15. 



Cliri/sntheme, Bois. ami Lee, p. 62. 



AWADNE, Edwards, Trans. Am. Ent. Soc, IIL, p. 12. - ■ . 



EURYTHEME, form ARIADNE. 



Male. — Expands from 1.3 to l.G inch. 



Upper pide liright lemon-yellow ; on primaries an orange patch extend.-* from 

 inner margin to median nervnre, or a little beyond, sometimes very pale and a 

 mere tint on the yellow ground, but usually of decided color, and gradually 

 passing into yellow beyond the middle of the disk ; secondaries sometimes 

 slightly tinted, but most often wholly yellow ; the marginal borders very nar- 

 row, scarcely half as wide as in Keewaydtn. 



Under side of secondaries greenish-yellow thickly dusted with brown scales ; 

 the discal spots duplex, a large and a small silver spot, each edged by ferruginous 

 and placed on a large patch of pink-ferruginous. 



Female. — Expands 1.6 to 1.8 inch. 



The orange shade is restricted to a patch on primaries, as in the male ; sec- 

 ondaries are greenish-yellow, much dusted, and often over the whole surface ; 

 the marginal border of primaries narrow, and but partly inclosing the submar- 

 ginal spots; sometimes it is restricted to a mere edging, and there is no trace of 

 the spots, unless at apex, where they may be indistinctly outlined ; under side 

 of secondaries pale greenish-yellow, thickly dusted ; the discal spot as in the 

 male. 



Ariadne is distinguished by its small size, resti'icted orange patch on primaries, 

 and frequent absence of orange on secondaries ; the narrowness of the borders ; 

 by the greenish hue of under side of secondaries and the heavy dusting, and by 



