Note 29 — Chapter VI · ON THE DISTRIBUTION OF CORAL-REEFS WITH REFERENCE TO THE THEORY OF THEIR FORMATION
Reading edition
Owen’s “Africa,” vol. ii, p. 37, for Madagascar; and for S. Africa, vol. i, pp. 412 and 426. Lieutenant Boteler’s narrative contains fuller particulars regarding the coral-rock, vol. i, p. 174, and vol. ii, pp. 41 and 54. See also Ruschenberger’s “Voyage round the World,” vol. i, p. 60.