Spitaler, R. “Das Klima des Eiszeitalters.” Prag, 1921. Lithographed. [Eccentricity of earth’s orbit. Reviewed in the Meteorological Magazine, London, September, 1921.]
Simroth, H. “Die Pendulationstheorie.” Leipzig, 1908.
Kreichgauer, P. “Die Aequatorfrage in der Geologie.” Steyr, 1902.
Wegener, A. “Die Entstehung der Continente und Ozeane.” Die Wissenschaft, Bd. 66, Braunschweig, 1920.
Köppen, W. “Ueber Aenderungen der geographischen Breiten und des Klimas in geologischer Zeit.” Stockholm, Geografiska Annaler, 2, 1920, pp. 285-99.
Brooks, C. E. P. “Continentality and temperature.” Quarterly Journal of Royal Meteorological Society, Vol. 43, 1917, p. 169; and 44, 1918, p. 253. [Influence of land and sea distribution.]
Enquist, F. “Eine Theorie über die Ursache der Eiszeit und die geographischen Konsequenzen derselbe.” Bull. Geol. Inst., Upsala, 13, 1915, No. 2. [Influence of land and sea distribution.]
Hobbs, W. H. “Characteristics of existing glaciers.” New York, 1911. [Glacial anticyclone.]
TABLE OF GEOLOGICAL FORMATIONS
| Quaternary | { Recent |
| { Pleistocene | |
| Tertiary or Cainozoic | { Pliocene |
| { Miocene | |
| { Oligocene | |
| { Eocene | |
| Mesozoic or Secondary | { Cretaceous |
| { Jurassic | |
| { Triassic | |
| Palæozoic | { Permian |
| { Carboniferous | |
| { Devonian | |
| { Silurian | |
| { Ordovician | |
| { Cambrian | |
| Proterozoic | Pre-Cambrian |