xxiv LIST OF ILLUSTRATIONS. 



Side Views of Butteeflies, showing Appendages of the Head and 



Thoeax (excepting the wings) Plates 52-60 



Miscellaneous Structural Details of the Imago Plate 61 



Internal Anatomy of Anosia plexippus " 62 



Embryology of Euvanessa antiopa (in color) " 63 



Eggs in Color and in Black • . . . . Plates ^^r-^^ 



MicROPYLES OF Eggs " 67-69 



Caterpillars at Birth (much enlarged) " 70-73 



Mature Caterpillars (mostly in color) " 1^-11 



Heads of Caterpillars at different Stages " 78-80 



Nests of Caterpillars " 81, 82 



Chrysalids in Color and in Outline " 83-85 



Miscellaneous Structural Details, mostly of the early Stages . " 86, 87 



Hymenopterous and Dipterous Parasites " 88, 89 



Physical Map of New England (in color, folded) At end. 



Isothermal and Faunal Map of New England (in color, folded) . . At end. 



Map of the White Mountains of New Hampshire (in color) . . At end. 



