Amphibians, by William E.
   Duellman�������������������������������������� 38440
   � [Full title: A Distributional Study of the Amphibians of the Isthmus
   ��������������� of Tehuantepec, Mexico]
   � [Link: [1]http://www.gutenberg.org/3/8/4/4/38440 ]
   � [Files: 38440.txt; 38440-8.txt; 38440-h.htm]
   Thanks to Chris Curnow, Joseph Cooper, Diane Monico, and
   the Online Distributed Proofreading Team at
   [2]http://www.pgdp.net
   Many thanks
   Janet

References

   1. http://www.gutenberg.org/3/8/4/4/38440
   2. http://www.pgdp.net/