...uniformity, mildness (probably subtropical In degree) and comparative equability of climate, accompanied by a high humidity, have prevailed over the greater part of the earth, extending to, or Into, the Polar circles, during the greater part of geologic time since, at latest, the Middle Paleozoic....

...of geologic time. The following may be taken as the thesis of the first part of this paper. Kelative uniformity, mildness, and comparative equability of...Paleozoic. This is the regular, the ordinary, the normal condition.2 The study of climatic conditions that obtained during the past — the study of fossil...

...that the contrast from season to season was much less. Indeed, Knowlton goes so far as to say that "relative uniformity, mildness, and comparative equability...the regular, the ordinary, the normal condition." . . . "By many it is thought that one of the strongest arguments against a gradually cooling globe...

...mildness (probably subtropical in degree), and , comparative equability of climate, accompanied by a high humidity, have prevailed over the greater part of the earth, extending to, or into, the ax * Presumably there was glaciation of these areas since there were icesheets in lower latitudes....

...mildness (probably subtropical in degree), and comparative equability of climate, accompanied by a high humidity, have prevailed over the greater part of the earth, extending to, or into, the 2^ Presumably there was glaciation of these areas since there were icesheets in lower latitudes....

...mildness (probably subtropical in degree), and comparative equability of climate, accompanied by a high humidity, have prevailed over the greater part of the earth, extending to, or into, the polar circles, during the greater part of geologic time since, at latest, the Middle Paleozoic....