Intrageneric relationships among colubrid snakes of the genus Geophis Wagler.
Ann Arbor: Museum of Zoology, University of Michigan, 1967. Octavo, softcover. Miscellaneous Publications, Museum of Zoology, University of Michigan, No. 131. More
Ann Arbor: Museum of Zoology, University of Michigan, 1967. Octavo, softcover. Miscellaneous Publications, Museum of Zoology, University of Michigan, No. 131. More
Ann Arbor: Museum of Zoology, University of Michigan, 1963. Octavo, map, softcover. Miscellaneous Publications, Museum of Zoology, University of Michigan, No. 122. More
Ann Arbor: University of Minnesota Press, 1963. Octavo, photographs, text illustraions, softcover. Miscellaneous Publications, Museum of Zoology, University of Michigan, number 49. More
Utah: Eagle Mountain Publishing, 2010. Quarto, colour photographs, maps, fine copy in dustwrapper. Mesoamerica is one of the world's major biodiversity hotspots. The herpetofauna of this region consists of approximately 1,900 species, over half of which are endemic to specific countries. This title represents the most comprehensive compilation of conservation-related..... More