PL. XLVlll GENUS ADELPHA HUBNER (THE SISTERS). 



Cell of fore wing lightly closed, of hind wing open; outer 

 margin of wings rarely excavated. The chrysalids have pe- 

 culiar forms, having bifid heads and broad wing-cases; marked 

 with metallic spots on a brown ground. 



There are many species in tropical America, some of which 

 are very showy; only one occurs within our limits. 



(1) Adelpha californica Butler, Plate XLVIII, 6" (The Cali- 

 fornian Sister). 



The insect, well displayed in our figure, has ah expanse of 

 from 2.50-3.00 inches. The caterpillar feeds upon oaks. The 

 range is through southern California, Nevada, southern Utah, 

 Arizona, and Mexico. 



GENUS CHLORIPPE BOISDUVAL 

 (THE EMPEROR BUTTERFLIES). 



Small butterflies generally of some shade of fulvous, with a 

 submarginal row of eye-like spots on the hind wings, and in a 

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