[3] Pliny, "Natural History," viii. c. 16.
[4] "History of Animals," i. 11.
[5] Bk. iii. 19.
[6] "Meteorology," iv. 7-11.
[7] "History of Animals," i. 16.
[8] "History of Animals," vi. 3.
[9] "On some of the errors attributed to Aristotle."
[10] "History of Animals," i. 17.
[11] See Professor Huxley's article already referred to.
[12] "Aristotle," by G. H. Lewes, p. 325.