Note 1019 — Chapter IX · MEANS OF ATTRACTION
Reading edition
Mackenzie, loc. cit. p. cxx. Powers, loc. cit. p. 109. Beechey, loc. cit. vol. ii. p. 401. Agassiz, loc. cit. p. 318. v. Martius, loc. cit. vol. i. pp. 484, 501, &c. ‘Das Ausland,’ 1875, p. 434. Waitz-Gerland, vol. vi. p. 38.