The National Geographic Magazine, V. III., By Herbert Gouverneur Ogden 62977[Full title: The National Geographic Magazine, V. III., PP. 31-40, April 30, 1891]
[Author: Herbert Gouverneur Ogden] [Link: http://www.gutenberg.org/6/3/0/3/63036 ] [Files: 63036-8.txt; 63036-h.htm] Thanks to Ron Swanson David
