20 ([return])
[ Hutchinson's "Ten Years' Wanderings, p. 319.]

21 ([return])
[ "Journal of the Ethnological Society," April, 1869.]

22 ([return])
[ "Zanzibar City, Island, and Coast," vol. ii. chap. ii.]

23 ([return])
[ See chap. ii.]

24 ([return])
[ First Edition, Illustration VI. (p. 71), and XLIII. (p. 297).]