(3) Euchloe sara (Lucas) Plate CI, Fig. 1, ft (Lucas' Orange-tip). 



There are numerous varieties of this beautiful insect. On the under side the hind wings 

 are marked with irregular patches of greenish scales having a "mossy" appearance. Expanse 

 1.75 inch. Occurs in Pacific States. 



(4) Euchloe rosa (Edwards), Plate CI, Fig. 2, d\ under side (The Rosy Marble- wing). 

 Above pure white without any red at the tip of the primaries; a transapical black band, 



broken in the middle, and a small black bar closes the cell. Under side well shown in our figure 

 except that there fails to appear a faint rosy tint in the hind wings which is characteristic of all 

 specimens which we have examined. Expanse 1.35-1.40 inch. Found in Texas. 



(5) Euchloe hyantis (Edwards), Plate CI, Fig. 3, 9 , under side (Edwards' Marble-wing). 

 This species also is without orange at the tip of the fore wings; the wings on the under 



side are as shown in our figure, heavily marbled on the hind wings with dark green bands and 

 spots. Expanse 1.65-1.85 inch. Habitat California. 



GENUS CATOPSILIA HUBNER (THE GREAT SULPHURS) 



Large butterflies; brilliant lemon-yellow or orange-yellow marked with a few darker spots 

 and with a narrow band of brown, especially in the female, on the outer margin of the fore 

 wings. Very quick in flight. Eggs spindle-shaped and acutely pointed, vertically ribbed. 

 Caterpillars relatively long, head small, segments resembling beads strung together, surface 

 covered with minute papillae in transverse rows. Chrysalis concave dorsally, head conical, 

 projecting, wing-cases compressed, forming a wide keel-shaped projection on ventral side. 



177 



