[29]. Essay, p. 359.

[30]. Ibid., pp. 94, 95.

[31]. Ibid., pp. 98, 99.

[32]. Ibid., p. 103.

[33]. Ibid., p. 104.

[34]. Essay, p. 360.

[35]. Ibid., p. 360 (Professor Owen).

[36]. Ibid., p. 362.

[37]. Ibid., pp. 364, 365.

[38]. Essay, pp. 370, 371.