COLIAS. 29 



primaries, and the yellow spots which divide the border are larger, 

 more distinct, and paler. 



Inhabits North America and Europe. 



BOISD. 



4. C. philodice Godt. Encyc. Meth. IX, 100. Figured in Boisd. et Lee. 



64, pi. 21. Swains. Zool. Illust. 1st series, pi. 60. Lucas, Hist. 

 Nat. des Pap. Exot. pL 39. C. anthijale Hiibn. 



Upper side canary yellow, with a black border, slightly sinuous 

 within, and terminating on the secondaries, a little before the anal 

 angle. Primaries, with a black point near the upper edge. 

 Secondaries, \yith a pale orange point on the disk. 



Under side of primaries canary yellow, with the edge and ex- 

 tremity a little russety ; the discoidal point usually pupilled with 

 white. 



The under side of the secondaries is yellow, a little russety, with 

 two geminate, discoidal, silvery points, bordered with ferruginous, 

 of which the outer one is the smaller ; parallel to the outer edge 

 of both wings there is a series of ferruginous points. 



The fringe of the four wings is rosy below ; more dull above. 



Body and antennte as in the other species. 



The female has the border less black, a little wider, a little 

 dilated at the summit, divided on the primaries by a macular band 

 interrupted by the ground color ; the discoidal point pupilled with 

 whitish above. 



A female variety is sometimes found with wings nearly white. 



Inhabits the United States. 



Boisd. 



5. C. amphidusa Boisd. Ann. Soc. Ent. 2me ser. X, 286. 



Wings with the border of the same form and width as edusa ; 

 slightly powdered with yellowish atoms, and divided at the summit 

 of the primaries by three or four fine yellow nerves. The upper 

 edge slightly powdered with citron yellow. 



Female, sulphury white. 



California. 



Boisd. 



6. C. eurytheme Boisd. Ann. Soc. Ent. 2me ser. X. 



Perhaps only a variety of C. ch-ysotheme. 



Usually much larger, of a brighter orange fulvous, with the 

 yellow nervurcs less numerous. The spots which divide the border 



