Punctuation errors were corrected.
Inconsistent hyphenation was retained.
To match the spelling of chapter topics in Contents with that in the main text,
- on [page v], two occurrences of “history” were changed from “History” (Physical history of Man; Physical history) and two occurrences of “Extract” were changed from “extract” (Extract from Knox; Extract); and
- on [page vi], “area” was changed from “areas” (size of area) and “Area” was changed from “area” (Monosyllabic Area).
On [page 18], “te ipsum” was changed from “teipsum”.
On [page 38], “Lawrence” was changed from “Lawrance”.
On [page 49], “Troglodytes” was changed from “Trolodytes”.
On [page 95], “Mediterranean” was changed from “Mediterannean”.
On [page 97], “Kaffre” was changed from “Caffre”.
On [page 101], “Papuás” was changed from “Papuá”.