[418] "On a new African Monkey of the genus Cercopithecus, with a List of the known Species," Proc. Zool. Soc. 1893, p. 243; see also p. [441].

[419] Proc. Zool. Soc. 1879, p. 451.

[420] See the books quoted on p. [576] (footnote).

[421] It is not so ranked by everybody.

[422] Proc. Zool. Soc. 1899, p. 296.

[423] For accounts of the habits of the Gorilla, compiled from various sources, see Hartmann's "Anthropoid Apes," International Scient. Ser. London, 1885; H. O. Forbes, "Monkeys," in Allen's Naturalists' Series, London, 1894; and Huxley, "Man's Place in Nature," vol. vii. of Collected Essays, London, 1894.

[424] "Man's Place in Nature," vol. vii. of Collected Essays, London, 1894.

[425] Hartmann's "Anthropoid Apes," in International Sci. Ser. London, 1885.

[426] Nouv. Arch. Mus. Hist. Nat. Paris, ii. 1866.

[427] Proc. Zool. Soc. 1899, p. 296.