PL. XCVII
(2) Pieris protodice Boisduval & Leconte, [Plate XCVII], Fig. 1, ♂; Fig. 2, ♀ (The Common White).
Our illustration of both sexes obviates the necessity for a description. Expanse 1.90-2.15 inches.
Ranges from the Atlantic to the Rocky Mountains, and from southern Canada to the Gulf States.
PL. XCVIII
(3) Pieris napi (Linnæus), variety oleracea (Harris), [Plate XCVIII], Fig. 1, ♂; variety pallida Scudder, [Plate XCVIII], Fig. 2, ♂; variety bryoniæ (Ochsenheimer), [Plate XCVIII], Fig. 3, ♀ (The Mustard White). (See [p. 174.])
Occurs throughout temperate and boreal North America, ranging well up to the Arctic Circle; also occurs in the eastern hemisphere, ranging from north Africa to the North Cape, and all over temperate and subarctic Asia. There are a multitude of forms which have been named and described; we give but three of those found in America. Oleracea is a winter form; pallida is the common form; and bryoniæ is a subarctic form found in Alaska, Siberia, and the Alps in Europe.