Reference
Mayr, E. 1942. Systematics and the origin of species from the viewpoint of a zoologist. New York: Columbia University Press, xiv + 334 pp.
Details
Authors
Title Systematics and the origin of species from the viewpoint of a zoologist.
Pagination xiv + 334 pp.
Year 1942
Type Book reference
Bolton key
Publisher New York: Columbia University Press
PDF link
Public notes Page 203: discussion of "subspecies" and "varieties" in ant taxonomy; Pogonomyrmex owyheei raised to species.