The papilios of Great Britain, systematically arranged, accurately engraved, and painted from nature, with the natural history of each species, from a close application to the subject, and observations made in different countries of this kingdom; as well as from breeding numbers from the egg, or caterpillar, during the last thirty years.
Date 1795
Source http://www.flickr.com/photos/biodivlibrary/9685831685
Author William Lewin
BHL Page URL http://www.biodiversitylibrary.org/page/42147270
Source: https://commons.wikimedia.org/wiki/File:The_papilios_of_Great_Britain_(9685831685).jpg

The European peacock or simply the peacock butterfly (Aglais io, formerly Inachis io) is a colourful butterfly, found in Europe and temperate Asia as far east as Japan. The peacock butterfly is resident in much of its range, often wintering in buildings or trees. It therefore often appears quite early in spring.