Announcements.

The article reports on various announcement in the U.S. The Sewall Wright Award given by the American Society of Naturalists honors a senior but active investigator who is making fundamental contributions to the society's goal such as promoting the conceptual unification of the biological sciences. The Edward O. Wilson Naturalist Award is given to an active investigator in midcareer who has made significant contributions to the knowledge of a particular ecosystem or group of organism. Members of the American Society of Naturalists (ASN) are invited to submit nominations for the ASN Executive Committee.