On the Philosophy of Discovery, Chapters Historical and Critical

by William Whewell

[176] Hist. Ind. Sc. b. x. c. i.

[177] Ib. c. iv.

[178] Nov. Org. lib. i. Aph. 61.

[179] Nov. Org. lib. ii. Aph. 10.

[180] Aph. 11.

[181] Aph. 15, p. 105.

[182] Page 110.

[183] Herschel, On the Study of Nat. Phil. Art. 192.

[184] Nov. Org. lib. i. Aph. 40.

[185] Nov. Org. lib. i. Ax. 103.