Note: Project Gutenberg also has an HTML version of this
file which includes the original illustrations.
See 18273-h.htm or 18273-h.zip:
(https://www.gutenberg.org/dirs/1/8/2/7/18273/18273-h/18273-h.htm)
or
(https://www.gutenberg.org/dirs/1/8/2/7/18273/18273-h.zip)
Transcriber's note:
The Table of Contents and the List of Illustrations were added
by the transcriber. The text refers to 76 photographic "PLATES,"
but the source copy contained only the first. Two of the
illustrations were labeled "FIG. 26;" I have labeled them
FIG. 26A and FIG. 26B.
Field Museum of Natural History.
Publication 170.
Anthropological Series Vol. XII, No. 2.