PL. XCVI 



short and pointed. Eggs spindle-shaped, with vertical raised 

 ridges. Caterpillar elongate, head hemispherical, feeding upon 

 cruciferous plants. Chrysalis attached by anal extremity and 

 held in place by a silk girdle; concave on the ventral side, con- 

 vex on the dorsal side, with a hump-like or keel-shaped emi- 

 nence on the thorax. Head conical. 



An extensive genus, confined principally to the northern 

 hemisphere. 



(1) Pieris monuste (Linnaeus), Plate XCVI, Fig. 1, cT; Fig- 

 2, V (The Great Southern White). 



Our figure gives a perfect idea of the upper side of the wings. 

 Hind wing on under side grayish saffron, crossed by a poorly 

 defined pale brown transverse band of spots, the veins pale 

 brown, between them pale brown rays on the interspaces. 

 Expanse 1.65-2.35 inches. 



Has a wide range in tropical America. Common in the Gulf 

 States. 



(2) Pieris protodice Boisduval & Leconte, Plate XCVII. 

 Fig. 1, cT; Fig. 2, 9 (The Common White). 



Our illustration of both sexes obviates the necessity for a 

 description. Expanse 1.90-2.15 inches. 

 172 



