Milkweed butterflies, their cladistics and biology: Being an account of the natural history of the Danainae, a subfamily of the Lepidoptera, Nymphalidae
Pp. vii, 425, color frontis, 72 plates - 12 in color, 24 text-figures, 262 other figures. Simulated leather, DJ, 4to. An account of the natural history of the Danainae.