Lepidoptera
Free to read here, from Project Gutenberg.
New Zealand Moths and Butterflies (Macro-Lepidoptera)
Studies in the Theory of Descent (Volumes 1 and 2)
The Moths of the British Isles, First Series
The Moths of the British Isles, Second Series
The Butterflies of the British Isles
Studies in the Theory of Descent, Volume I
Studies in the Theory of Descent, Volume II
