• Obvious minor typographical errors have been corrected silently.
• Illustrations have been moved to the end of paragraphs so as to not disrupt the flow of the text.
• Variations in hyphenation, word spacing and spelling left as printed.
• Plate 35 moved from page 76 into its appropriate section under Bone implements.

Corrections made appear in [square brackets]:

On Pg. 19:

• "d'un point plus elÉvÉ [ÉlevÉ]"
• "d'ou [d'oÙ] l'on contemple les ruines"
• "de grands progrÉs [progrÈs] dans l'art"
• "Les murs sont faits de grÉs [grÈs] gris,"

Not Changed:

• HomÓlobi, Homolobi
• embedded, imbedded
• enclosures, inclosures
• Sprucetree, Spruce tree, Spruce-tree
• heartshaped, heart-shaped
• peepholes, peep-holes
• southeast, south-east
• Sprucetree House, Spruce-tree House