Transcriber's note:
Everything (including inconsistent hyphenation) has been retained as
printed, unless stated below:
p. 46: "mentioned by Lewis and Clarke" Clarke changed to Clark;
p. 52 (Sidenote): "Game and" inserted hyphen after Game;
p. 77 (Sidenote): "Flies in their Season" their changed to Their;
p. 114: "Salmo rooseveldti" rooseveldti changed to roosevelti;
p. 158 (Sidenote): "Garrupa nigritis" nigritis changed to nigrita;
Sidenotes and illustrations were moved to paragraph breaks. Duplicate
chapter headings and the copyright information for the images have been
omitted in the text version.