Journal of PersonalityVolume 20, Issue 1 p. 118-130 Biological Intelligence WARD G. HALSTEAD, WARD G. HALSTEAD Departments of Medicine and Psychology, University of ChicagoSearch for more papers by this author WARD G. HALSTEAD, WARD G. HALSTEAD Departments of Medicine and Psychology, University of ChicagoSearch for more papers by this author First published: September 1951 https://doi.org/10.1111/j.1467-6494.1951.tb01516.xCitations: 26AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat No abstract is available for this article.Citing Literature Volume20, Issue1September 1951Pages 118-130 RelatedInformation