A new Snake of the genus Geophis from Chihuahua, Mexico.

Lignende værker

• A new Tortoise, genus Gopherus from north-central Mexico.
  af: Legler, John M.
  Udgivet: (1959)
• An annotated Checklist and key to the snakes of Mexico.
  af: Smith, Hobart Muir
  Udgivet: (1945)
• An annotated Checklist and key to the snakes of Mexico
  af: Taylor, Edward H.
• A new species of pocket gopher (genus Pappogeomys) from Jalisco, México.
  af: Russell, Robert J.
  Udgivet: (1957)
• Variations and relationships in the snakes of the genus Pituophis.
  af: Stull, Olive Griffith
  Udgivet: (1940)