Transcriber's Note
The following changes have been made to the original text:
page 520: "Pinus Lambertiana" changed to "Pinus lambertiana"
page 531: "Virginia Opossom" changed to "Virginia Opossum"
page 551: "4600 ft. 3" changed to "4600 ft., 3"
page 555: "laural sumac" changed to "laurel sumac"
page 566: "concealed itelf" changed to "concealed itself"
page 582: "Oakshott, G. B." changed to "Oakeshott, G. B."
Instances of inconsistent hyphenation have been preserved.
In cases where tables were located in the middle of a paragraph, they have been moved to the next paragraph break. This may affect at what page number a table was originally located.
The list of University of Kansas publications was originally printed on the front and back covers. For this version of the text, the list has been combined and placed at the end of the text.