The Transactions of the Zoological Society of LondonVolume 11, Issue 2 p. 49-61 V. On the Intestinal Spiral Valve in the genus Raia. T. Jeffery Parker B.Sc, Assoc. B.8.M., T. Jeffery Parker B.Sc, Assoc. B.8.M. Lecturer on Biology in Bedford College, London, and Demonstrator in the Royal School of Mines. (Communicated by Prof. T. H. Huxley, F.R.S.)Search for more papers by this author T. Jeffery Parker B.Sc, Assoc. B.8.M., T. Jeffery Parker B.Sc, Assoc. B.8.M. Lecturer on Biology in Bedford College, London, and Demonstrator in the Royal School of Mines. (Communicated by Prof. T. H. Huxley, F.R.S.)Search for more papers by this author First published: August 1880 https://doi.org/10.1111/j.1096-3642.1980.tb00349.xCitations: 25Read the full textAboutPDF 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 Citing Literature Volume11, Issue2August 1880Pages 49-61 RelatedInformation