Letter from John Whitaker Hulke, on his paper 'On the shoulder girdle in ichthyosauria and sauropterygia' to the Secretary of the Royal Society Submits his paper. States that if the Committee of Papers deem the paper too polemic, he would like reserve the right to withdraw the paper and publish it elsewhere. Subject: Geology [Published in Proceedings of the Royal Society, 1892]. 11 April 1892