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Presents the title and abstracts of papers presented during the 1934 annual meeting of the Association of American Geographers held in Philadelphia, Pennsylvania. Increasing significance of geographic conditions in the growth of nation-states; Erosional history of the wind river range, Wyoming; Long-lot farm and economic in public services.

The article announces the incoming Christmas Holiday meetings of Section Q of the American Association for the Advancement of Science wherein the International Council for Exceptional Children is invited to participate. It likewise invites readers to contribute their suggestions, opinions or comments.

The article presents reports of combined Annual Meeting of Canadian Academy of Endodontics and the American Association of Endodontists. The first day of the meeting featured the research seminar. The first paper was on a study concerning "Change in Dentine Brittleness Relative to Dehydration," by Douglas Stewart and Herbert Schilder of Boston University. Again from Boston University, Herbert Schilder and Roger Czarnecki reported on a "Histological Evaluation of the Human Dental Pulp in Teeth with Varying Degrees of Periodontal Disease."

The eighth annual meeting of the Society for Psychophysiological Research will be held from October 17-20, 1968 at the Mariott Twin Bridges Motor Hotel in Washington D.C. Program chairman for the meeting is Clinton C. Brown, member of Department of Psychiatry and Behavioral Science in Maryland. Abstracts of papers to be presented should be submitted to Brown before August 1, 1968. They must be limited to 250 words if the author wishes them to be published in the journal "Psychophysiology." Abstracts which are acceptable but for which there is no room in the meeting program will also be published in the journal.