Keywords: BasilarchiaArchippusEggScudder.png Egg of Basilarchia archippus Butterflies; their structure changes and life-histories with special reference to American forms Being an application of the Doctrine of descent to the study of butterflies With an appendix of practical instructions http //www archive org/details/butterfliestheir00scudrich 1881 Samuel Hubbard Scudder pd-old PD-old Lepidoptera egg illustrations Egg illustrations nineteenth century Images by Shyamal animals Butterflies Their Structure Changes and Life Histories |