. The butterflies of the eastern United States; for the use of classes in zoology, and private students. Pieris Rapae, male (natural size). 14. Pjeris Rap^, of wings from to surface wliite, the usual form having a brownish-or grayish-black patch across the apex. The male has a submarginal roundspot in the first me-dian interspace (seeFig 28), and a some-what elongated spoton the costa of thehind wings. Thefemales have a sec-ond round spot atthe same distancefrom the outer margin on the upper side of the subme-dian vein. The base of the wings is dusted a little
. The butterflies of the eastern United States; for the use of classes in zoology, and private students. Pieris Rapae, male (natural size). 14. Pjeris Rap^, of wings from to surface wliite, the usual form having a brownish-or grayish-black patch across the apex. The male has a submarginal roundspot in the first me-dian interspace (seeFig 28), and a some-what elongated spoton the costa of thehind wings. Thefemales have a sec-ond round spot atthe same distancefrom the outer margin on the upper side of the subme-dian vein. The base of the wings is dusted a little with gray scales, more soin the female. On the under sidethe fore wings arewhite, pale yellow to-wards the apex, andwith two black spotsin both sexes corre-sponding to the twoon the upper side ofthe fore wings of the female. Hind wings pale yellow,without marks, but sprinkled with black black above, white Nov^-Anglije, Scud.—This form occurs, so faras is now known, only in the Eastern States and NewYork. Ground color of both wings dull p. Rapae, female (natural size). EASTERN UNITED STATES. 115 Farther south the winter form, or the one that comesin early spring from chrysalides that have hibernated,tends to pure white on the upper surface. One malein the writers cabinet has an obscure patch on the apexof the fore wings, and the costal mark of the hind wingsabout as much obscured, no trace of the spot in the me-dian interspace except what shows through from male has scarcely a trace of the apical patch, orthe costal mark, with perhaps half a dozen scales in themedian interspace. On the under side these specimensdiffer a little from the usual form, both being more suf-fused with black on the hind wings, the fore wings withscarcely any or no yellow at the apex, and only a fewscales in place of the usual dots. Var. Manni, Mayer.—This is a pale yellow form,having all the usual markings, but the upper surface paleyellow of a
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbutterflies, bookyear
