Usually wigwams are a domed structure; conical wooden wigwams exist, though, and presumably gave rise to the confusing of the different structures. For more, see: Notes on the Eastern Cree and Northern Saulteaux, Volumes 9-10. By Alanson Skinner. The Trustee, 1911. p12+13.
With the sides raised; As seen in: Anthropological papers. 1917. p211