HESS] COLOR KEY TO THE COMMON BUTTERFLIES 249 



2. With black border on front wing broken with 



yellow spots. Roadside female. 



3. With deep black border outlining the profile of a 



head, and with black base to front wing. 



The Dog's Head. 



4. With outer border unbroken. A small butterfly 



only one inch in expanse. 



Little Sulphur. 

 DD. Orange yellow butterflies. 



1 . The black border unbroken and with oval spot at 



center of front wing near margin. 



Orange Sulphur. 



2. Black border unbroken in male but fading out on 



the hind portion of the hind wings in the female. 

 Spot at middle of front wing, near margin a 

 mere line. 



The Sleepy Yellow. 

 CC. Lemon yellow with no solid black border. Large butter- 

 fly 2^ inches in expanse. 



1. With black spots bordering the wings and with 



round spot at the front middle of front wing. 

 Cloudless Sulphur, female. 



2. With no black spots of any kind, just pure yellow. 



Cloudless Sulphur, male. 

 AAAAAA. Butterflies conspicuously brown or gray. 



B. Rather large with an expanse of 2 to 2^ inches, with no 

 tails on hind wings. 

 C. With one large eye-spot and one very small one on front 

 wings, and with one large and one small eye-spot on 

 hind wings. 



I . Diagonal band of yellow across tips of front wing 

 and two copper red bars extending back from 

 the margin of front wing. Copper red near 

 margin of hind wing. 



The Buckeye. 

 CC. With two equal sized eye-spots on front wings. 

 Expanse 2 inches. 



I . With the eye spots on the front wing set in a band 

 of yellow. 



The Blue Eyed Grayling. 



