From a drawing by W. I. Beecroft (Willey Ingraham Beecroft)
THE MOURNING-CLOAK
Caterpillar, chrysalis, and butterfly
See pages 112. 171
Date 1917
Source http://www.flickr.com/photos/biodivlibrary/6220530730
Author Weed, Clarence Moores
Full title ...Butterflies worth knowing, by Clarence M. Weed... illustrated by forty-eight plates, thirty-two in color.
Species: Nymphalis antiopa
Source: https://commons.wikimedia.org/wiki/File:...Butterflies_worth_knowing_(6220530730).jpg

Nymphalis antiopa, known as the mourning cloak in North America and the Camberwell beauty in Britain, is a large butterfly native to Eurasia and North America. The immature form of this species is sometimes known as the spiny elm caterpillar. Other older names for this species include grand surprise and white petticoat.