It is my purpose today to deviate somewhat from the usual custom of speakers on occasions like the present. I shall attempt to present to you neither the results of research in which I have been engaged, nor an outline of the progress of the science which I represent, during the past year. I shall attempt, rather, to outline briefly a train of thought in which I have been interested for many years and which may have a somewhat more general interest than the presentation of a more technical subject.
Doubtless there is no topic which possesses a wider interest for members of the human race than the topic of man himself, and I have found during my thirty years of teaching paleontology that students of this subject are always deeply interested in any contacts which can be suggested or established between the problems associated with the extinct life of . . .