Chapter Xiv That Even the Comparatively Brief Warm Period Known As

the post-glacial climatic optimum extended to the Antarctic coast, and this is additional argument for extending the much greater interglacial oscillation southward beyond its known limits in Tierra del Fuego, Australia and New Zealand, but here the matter must be left.

BIBLIOGRAPHY

Hedley, C. “The palæographical relations of Antarctica.” London, Proc. Linnæan Soc., 124, 1911-2, p. 80.

Lydekker, R. “A geographical history of mammals.” Cambridge University Press, 1896, pp. 125 ff.

David, T. W. E. “Antarctica and some of its problems.” London, Geogr. J. 43, 1914, pp. 605-30.

Nordenskjold, O. “Antarktis.” Handbuch Regional Geologie, Heft 15, 1913.