Note 154 — Chapter XXII · GENERAL ACCOUNT OF THE SKELETON IN MAMMALIA.
Reading edition
F. Ameghino, Bull. Ac. Argen. XII. p. 437. According to H. Burmeister, Annal. Mus. Buenos Aires, III. 401 (1891), enamel does not occur, osteodentine having been mistaken for it.