513 (return) [ Nat. Hist. of Mammalia, 1841, p. 351.]
514 (return) [ Brehm, Thierleben, B. i. s. 84. On baboons striking
the ground, s. 61.]
515 (return) [ Brehm remarks ( Thierleben, s. 68) that the eyebrows of
the _Inuus ecaudatus_ are frequently moved up and down when the animal
is angered.]
516 (return) [ G. Bennett, Wanderings in New South Wales, &c. vol.
ii. 1834, p. 153. FIG. 18.-Chimpanzee disappointed and sulky. Drawn
from life by Mr. Wood.]
517 (return) [ W. L. Martin, Nat. Hist. of Mamm. Animals, 1841, p.
405.]
518 (return) [ Prof. Owen on the Orang, Proc. Zool. Soc. 1830, p. 28.
On the Chimpanzee, see Prof. Macalister, in Annals and Mag. of Nat.
Hist. vol. vii. 1871, p. 342, who states that the _corrugator
supercilii_ is inseparable from the _orbicularis palpebrarum_.]
519 (return) [ Boston Journal of Nat. Hist. 1845 -47, vol. v. p. 423.
On the Chimpanzee, ibid. 1843-44, vol. iv. p. 365.]
520 (return) [ See on this subject, Descent of Man, vol. i. p. 20.]
521 (return) [ Descent of Man, vol, i. p, 43.]
522 (return) [ Anatomy of Expression, 3rd edit. 1844, pp. 138, 121.]
601 (return) [ The best photographs in my collection are by Mr.
Rejlander, of Victoria Street, London, and by Herr Kindermann, of
Hamburg. Figs. 1, 3, 4, and 6 are by the former; and figs. 2 and 5, by
the latter gentleman. Fig. 6 is given to show moderate crying in an
older child.]
602 (return) [ Henle ( Handbuch d. Syst. Anat. 1858, B. i. s. 139)
agrees with Duchenne that this is the effect of the contraction of the
_pyramidalis nasi_.]
255