The following apparent errors have been corrected:
- p. 56 "Figs 192 and 193." changed to "Figs 192 and 193."
- p. 65 "Fig. 181 Plate XXVII" changed to "Fig. 181, Plate XXVII"
- p. 65 "Vol I" changed to "Vol. I"
- p. 70 "elephants’s" changed to "elephant’s"
- p. 74 "Fig. 282." changed to "Figs. 281 and 282."
- p. 94 "Figs 372 and 373" changed to "Figs. 372 and 373"
- p. 98 "Fig 385." changed to "Fig. 385."
The following possible errors have not been changed:
- p. iv conquerers
- p. 32 tattoed
- p. 42 rivetted
The following are used inconsistently in the text:
- a European and an European
- cat fish and cat-fish
- ground-work and groundwork
- Juju and Ju-ju
- mouthpiece and mouth-piece
- mudfish and mud-fish
- semicircles and semi-circles
The cover image was produced by the transcriber using an illustration from the book, and is placed in the public domain.