[66] Gould, 92. De Geer ii. 1067. Huber, 5, 132.

[67] Huber, 133.

[68] Huber, 237, 217, 167.

[69] Ibid. 137.

[70] Bradley, 134.

[71] Gould, 85.

[72] Hist. of Barbadoes, p. 63.

[73] Vol. I. p. [122].

[74] See Fourcroy, Annales du Muséum, no. 5. p. 338, 342. Some, however, still regard it as a distinct acid.

[75] p. 34.