Note BC — Chapter IV · VARIATION AND NATURAL SELECTION. (continued 2)
Reading edition
For evidence in copious abundance, see Nicholson's "Manual of Palæontology," new edition, vol. i.: "Vertebrata," by R. Lydekker.
Reading edition
For evidence in copious abundance, see Nicholson's "Manual of Palæontology," new edition, vol. i.: "Vertebrata," by R. Lydekker.