on resemblances between unpalatable forms, [14];
on initial variation in mimetic resemblance, [63];
on S. American Pierines attacked by birds, [112]
Bateson, [3]
Belenois, [36]
Bingham, on birds eating butterflies, [110]
Birds, as enemies of butterflies, [109];
stomach contents of, [113];
feeding experiments with, [115];
colour perception in, [119]