[posted] Posted (#31570, Duellman) !

[David Widger]

A Taxonomic Study of the Middle American Snake, by William E. Duellman   31570
  [Full title: A Taxonomic Study of the Middle American Snake, Pituophis
        deppei]
  [Link: http://www.gutenberg.org/3/1/5/7/31570 ]
  [Files: 31570.txt; 31570-8.txt; 31570-0.txt; 31570-h.htm]

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David