19. Dr. More was one of the original members of the Royal Society. He died in 1687.

Cardan or Cardano, was an Italian philosopher of the sixteenth century. The citation is from De Rerum Subtilitate, x.

Page 73.

13. Mr. Boyle. A famous natural philosopher, and member of the Royal Society, who died in 1691. The citation is from A Disquisition about the Final Causes of Natural Things.

18. one humour. The typical eye of the higher animals consists of a lens and two humours or fluids, known as the aqueous and the vitreous.

33. our Royal Society. Founded in 1662.

Page 74.

2. original. Origin. Cf. Shakespeare, 2 Henry IV, I. ii. 131, 'It hath its original from much grief.'

3. policies. v. note on p. 61, 1. 26.

14. Howling Wilderness and Great Deep. Deuteronomy, xxxii. 10, 'He found him in a desert land, and in the waste howling wilderness.' Psalm li. 10, 'The waters of the great deep.'