Notes on snakes from Yucatan - Schmidt, Karl Patterson, 1890-1957.; Andrews, E. Wyllys (Edward Wyllys), 1916-1971.
(In Zoological series of Field Museum of Natural History. Chicago, 1933-1938. 24 cm. v. 20, no. l8, p. 167-187. illus.)
In lower left corner: no. 372.
"References": p. 186-187.
Keywords: Snakes -- Mexico -- Yucatán (State)