HEADLEE] A STUDY IN BUTTERFLY WING-VENATION 295 
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EXPLANATION OF PLATES 
PuatTe LIX 
Photograph of pupal fore wing of Anosia plexippus. 
Photograph of the under side of the unbleached wings of Papilio sp. 
In this form the proximal ends of the well-preserved veins bear 
white scales on the under side of the wings, which thus bring them 
into strong contrast with the darker scaled wing membrane. The 
vestiges of those parts of Rus and M which cross the discal cell 
are also covered with these white scales and are thereby made very 
conspicuous. 
PLATE LX 
Front wing of Hepialus sp. 
Hind wing of Hepialus sp. 
Front wing of Sthenopis sp. 
Hind wing of Sthenopis sp. 
Front wing of Castnia cochrus Fabricius. 
Hind wing of Castnia cochrus Fabricius. 
Hind wing of Micropteryx sp. (After Comstock.) 
Hind wing of Prionoxystus robinie Peck. (After Comstock.) 
Hind wing of Phassus triangularis H. Edwards. 
Hind wing of Euschemon raffesie Macl. 
Diagram of the venation of the fore wing. (In every respect save 
that of naming the veins this is a copy of Spuler’s figure.) 
Front wing of Anosia plexippus Linnzus. 
PrarE 20 
Front wing of Semnopsyche diana Cramer. 
Front wing of Apostraphia charithonia Linn. 
Front wing of Diethria clymena Cramer. 
Front pupal wing of Dasychira pudibunda Linn. (In every re- 
spect save that of naming the veins this is a copy of Spuler’s 
figure. ) 
Front pupal wing of Epargyreus tityrus Fabricius. 
Front wing of Epargyreus tityrus. 
Hind pupal wing of Anosia plexippus Linn. 
Hind wing of Anosia plexippus Linn. 
Front pupal wing of Papilio polyxenes Fabr. 
Front wing of Papilio polyxenes Fabr. 
PLATE LXII 
Hind pupal wing of Papilio polyxenes Fabr. 
Hind wing of Papilio polyxenes Fabr. 
