16 ([return])
[ ‘Mécanisme de la Physionomie Humaine,’ 8vo edit. p. 31.]
17 ([return])
[ ‘Elements of Physiology,’ English translation, vol. ii. p. 934.]
18 ([return])
[ ‘Anatomy of Expression,’ 3rd edit. p. 198.]
19 ([return])
[ See remarks to this effect in Lessing’s ‘Lacooon,’ translated by W. Ross, 1836, p. 19.]
20 ([return])
[ Mr. Partridge in Todd’s ‘Cyclopædia of Anatomy and Physiology,’ vol. ii. p. 227.]