34 NORTH AMERICAN BUTTERFLIES. 



GO. COLIAS EURYDICE Bd. 



Western Dog's Head. 



Male, above. Fore wings, with angle of outer margin, very prom- 

 inent ; spot at end of central cell, black with an opalescent luster and the 

 middle of wing occupied by a patch of brilliant orange in the form of a 

 dog's head. Fig. 15, c. There are a few spots of pinkish on upper mar- 

 gin, and a few of lighter on outer, all near apex. Hind wings, orange, 

 lighter margined, unspotted. Beneath, orange, with wings edged with 

 rufous; the black of fore wing is faintly indicated, and the central spot 

 is white-centered. On the hind wings, there is a sub-marginal line of 

 rufous points, and in the center of wing, a double, rufous, silver-centered 

 spot. Female, unlike male in color, but of similar form. Pale yellow 

 on both surfaces, deepest on hind wings, with a brownish central spot 

 on both wings, which is darker below. Expands from 2.30 to 2..50. Hab- 

 itat, California, Arizona, and Oregon. Occurs from May to August. 



GOa. CoLiAS EURYDICE AMORPHAE H. Edw. is a sub-species differ- 

 ing from the type in having the dog's head interspace strongly suffused 

 with purple. Female has a sub-marginal band of dusky on fore wings, 

 and a brownish central spot. Habitat, California. 



GOb. CoLiAS EURYDICE BERNARDINO. Smaller, without purplish 

 suffusion, but with a narrow black border on hind wings. Expands 

 2.25. 



Gl. COLIAS CAESONIA Stoll. 

 Yellow Dog's Head. 

 Color of C. philodice, but differs in having the border of fore wing 

 wider, a border to the wing above, and the base dusky, forming a strik- 

 ing resemblance to a dog's head, Fig. 15, d. The female has a narrower 

 border to hind wings than the male, and some yellow spottings in apex 

 of fore wings. Expands, 2.25 to 2.50. Habitat, Southern State, up 

 the Mississippi Valley, rarely as flir as Minnesota, and from Texas to 

 Cahfornia. Occurs in Florida from April to November. 



G2. COLIAS MEADII Edw. 

 Mead's Bordered Butterfly. 

 Male; apex of fore wings pointed ; bright orange above with opales- 

 cent luster. Both wings are broadly bordered with black and rose ; the 

 upper and lower margins of hind wings are greenish ; the central spot 

 on hind wings is only slightly indicated by a few blackish scales, I ig. 

 15, e. Beneath, greenish with basal two-thirds of fore wings, cxceptmg 



